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Scheveningen/The Hague
June 2012
The Netherlands
Beachlife in the Netherlands
Ricoh GRD IV
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Cumberland MS, ex Kelvin Scottish
Leyland National
218 (OLS 809T)
Whitehaven depot 8/88
BKP
Painted in Yeowart's livery for use on former Yeowart's services, after absorption of that operator by Cumberland MS.
Although carrying its Greater Manchester Transport legal lettering following the absorption of the Lancashire United fleet just under two months earlier, not a great deal else had changed by the time of this May 1981 shot of ex-LUT Leyland Fleetline / NCME 497, having just set out on the long run from Manchester to Liverpool. It had still to be renumbered 6913 in the GMT series and its eventual repaint might have also been some way off.
This was one of a pair from this batch that saw further service with Chesterfield Transport after their sale by GM Buses.
This image is copyright and must not be reproduced or downloaded without the permission of the photographer.
The gradual absorption of Germanwings into a growing Eurowings continues with pace, and whilst the airline operates a subsidiary of the larger low-cost unit with their own flight number and crews, that is soon coming to an end as a number of Germanwings Airbus A319/A320's are in the process of being repainted into Eurowings colours.
Another transition is the ending of Germanwings abandoning its 4U IATA flight codes and going over the Eurowings EW code from 25th March 2018. With Eurowings growing, Germanwings is now becoming a more redundant brand, and with the amount of planes Eurowings intends to repaint, it is likely they will be gone by 2018.
The first 2 Airbus A319's from Germanwings have already transferred over to Eurowings Europe in Vienna. Meanwhile at Eurowings, 2 Airbus A319's have since transferred with another 3 expected to join the fleet, whilst one older Airbus A320 is also expected to join the fleet.
Currently, Germanwings operates 48 Airbus A320 family aircraft, which includes 36 Airbus A319's and 12 Airbus A320's (4 currently in storage).
Alpha Golf Whiskey Alpha is no longer in service with Germanwings, delivered new to the low-cost carrier in July 2006 initially on lease from SAAM and now SMBC since July 2013. She is currently at Norwich since October 2017 being repainted into Eurowings colours. She is powered by 2 International AeroEngines IAE V2524-A5 engines.
Airbus A319-132 D-AGWA powers out of Runway 23L at Manchester (MAN) on 4U343 to Cologn/Bonn (CGN).
"Did I ever tell you the definition of insanity?"
The Reisen is an upgraded version of the M4 and M16 assault rifles. With new firing mechanics, this modification solved many of the performance issues with the old weapon systems. This carbine also comes with adjustable scope and Einzbern Recoil Absorption Stock (ERAS).
Amsterdam
June 2012
The Netherlands
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
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Please no glossy awards, scripted comments and big thumbnails back to your own work.
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Planets, stars, nebulas and a galaxy -- this impressive image has them all. Closest to home are the two planets Mars (right) and Saturn (center), visible as the two bright orange spots in the upper half of the featured image. On the central right are the colorful Rho Ophiuchus star clouds featuring the bright orange star Antares lined up below Mars. These interstellar clouds contain both red emission nebulas and blue reflection nebulas. At the top right of the image is the Blue Horsehead reflection nebula. On the lower left are many dark absorption nebulas that extend from the central band of our Milky Way Galaxy. The featured deep composite was composed of multiple deep exposures taken last month from Brazil. Although you need a telescope to see the nebulosities, Saturn and Mars will remain visible to the unaided eye this month toward the east, just after sunset. via NASA ift.tt/1Xj749i
Featured Image from Sonata Series
Sonata concentrates on seeing rather than looking. In our waking-state, we look at things all the time but consciously unless chosen to do we make the effort to see. This on-going series concentrates on the elements of design ; color, line, shape texture form and pattern. Each image composes of a singular point of interest to achieve photographic satisfaction. Here the visible, mundane & overlooked has its moment.
Nkosi.artiste@gmail.com
ABOUT THE ARTIST
Chance Nkosi Gomez known initiated by H.H Swami Jyotirmayanda as Sri Govinda walks an integral yogic path in which photography is the primary creative field of expression. The medium was introduced during sophomore year of high school by educator Dr. Devin Marsh of Robert Morgan Educational Center. Coming into alignment with light, its nature and articulating the camera was the focus during that time. Thereafter while completing a Photographic Technology Degree, the realization of what made an image “striking” came to the foreground of the inner dialogue. These college years brought forth major absorption and reflection as an apprentice to photographer and educator Tony A. Chirinos of Miami Dade College. The process of working towards a singular idea of interest and thus building a series became the heading from here on while the camera aided in cultivating an adherence to the present moment. The viewfinder resembles a doorway to the unified field of consciousness in which line, shape, form, color, value, texture all dissolve. It is here that the yogi is reminded of sat-chit-ananda (the supreme reality as all-pervading; pure consciousness). As of May 2024 Govinda has completed his 300hr yoga teacher training program at Sattva Yoga Academy studying from Master Yogi Anand Mehrotra in Rishikesh, India, Himalayas. This has strengthened his personal Sadhana and allows one to carry and share ancient Vedic Technology leading others in ultimately directing their intellect to bloom into intuition. As awareness and self-realization grows so does the imagery that is all at once divine in the mastery of capturing and controlling light. Over the last seven years he has self-published six photographic books, Follow me i’ll be right behind you (2017), Sonata - Minimal Study (2018), Birds Singing Lies (2018), Rwanda (2019), Where does the body begin? (2019) & Swayam Jyotis (2023). Currently, Govinda is employed at the Leica Store Miami as a camera specialist and starting his journey as a practitioner of yoga ॐ
"Date: 2010. Artist: Ulrike Koch-Brinkmann. Medium: Polymethyl metacrylate.
"This richly decorated statue stood on the tomb of a girl named Phrasikleia. She wears a crown of lotus buds and holds a single bud in her left hand. The epigram on the base tells us that she died young, before she could marry.
The famous sculptor Aristion of Paros signed the work. With the help of ultraviolet-visible absorption spectroscopy (UV-Vis spectroscopy) and X-ray fluorescence spectroscopy (XRF), traces of a numbers of colors on the flesh and clothing could be identified: red and brown madder, red and brown ocher, lead white for the eyes, flesh, and hair, as well as three different reds and yellows (red and yellow iron oxide and orpiment for the garment). Wherever the underside of the fabric is visible - on the sleeve and the lower hem - a dark red pigment (hematite) was deliberately used. Gold leaf and lead tin foil that gleams like silver were applied to the dress and the jewelry.
Metal rosettes and shiny yellow swastikas (painted with orpiment and gold ocher) were scattered over the entire garment. Additionally, stars appear on the back of the garment, evidently intended to represent a constellation.
The reconstruction made in 2010 follows the incised patterns and colors that were identified by scientific analysis. But after the latest discoveries by the conservators in the Athens National Museum, the red ocher of the robe has been mixed with cinnabar, giving the color an even more intense effect. The polish of the skin was based on contemporary Egyptian mummy portraits and was
done using agate, while a shimmering lacquer (gum arabic) was applied to the irises of the eyes. In 2019, gilding was added to the volute ornament of the belt and precious stones were inserted into the round depressions that are still preserved."" - info from the Met.
"The Metropolitan Museum of Art of New York City, colloquially "the Met", is the largest art museum in the Americas. Its permanent collection contains over two million works, divided among 17 curatorial departments. The main building at 1000 Fifth Avenue, along the Museum Mile on the eastern edge of Central Park on Manhattan's Upper East Side, is by area one of the world's largest art museums. A much smaller second location, The Cloisters at Fort Tryon Park in Upper Manhattan, contains an extensive collection of art, architecture, and artifacts from medieval Europe.
The Metropolitan Museum of Art was founded in 1870 with its mission to bring art and art education to the American people. The museum's permanent collection consists of works of art from classical antiquity and ancient Egypt, paintings, and sculptures from nearly all the European masters, and an extensive collection of American and modern art. The Met maintains extensive holdings of African, Asian, Oceanian, Byzantine, and Islamic art. The museum is home to encyclopedic collections of musical instruments, costumes, and accessories, as well as antique weapons and armor from around the world. Several notable interiors, ranging from 1st-century Rome through modern American design, are installed in its galleries.
The Fifth Avenue building opened on March 30, 1880. In 2021, despite the COVID-19 pandemic in New York City, the museum attracted 1,958,000 visitors, ranking fourth on the list of most-visited art museums in the world.
New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over 300.46 square miles (778.2 km2), New York City is also the most densely populated major city in the United States. The city is within the southern tip of New York State, and constitutes the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area – the largest metropolitan area in the world by urban landmass. With over 20.1 million people in its metropolitan statistical area and 23.5 million in its combined statistical area as of 2020, New York is one of the world's most populous megacities, and over 58 million people live within 250 mi (400 km) of the city. New York City is a global cultural, financial, and media center with a significant influence on commerce, health care and life sciences, entertainment, research, technology, education, politics, tourism, dining, art, fashion, and sports. New York is the most photographed city in the world. Home to the headquarters of the United Nations, New York is an important center for international diplomacy, an established safe haven for global investors, and is sometimes described as the capital of the world." - info from Wikipedia.
The fall of 2022 I did my 3rd major cycling tour. I began my adventure in Montreal, Canada and finished in Savannah, GA. This tour took me through the oldest parts of Quebec and the 13 original US states. During this adventure I cycled 7,126 km over the course of 2.5 months and took more than 68,000 photos. As with my previous tours, a major focus was to photograph historic architecture.
Now on Instagram.
In the late fifties Foden, a well established and respected lorry manufacturer, realised that they had to offer new improved models if they were to maintain their independence in the face of takeovers and absorption by the larger manufacturers.
Traditionally Foden cabs had been of composite build, a timber frame clad with aluminium panels but now Foden decided to move into the use of fibreglass for its new cab design.
First unveiled in 1958 the S21 cab with its elaborate curves was quickly dubbed the “Sputnik” by the trade press but lorry drivers almost always referred to them as Mickey Mouse and many S21s survived by virtue of being corrosion-free.
Like many a haulier Moreton C. Cullimore started out with a Model T Ford in the Stroud area of the Cotswolds in the 1930s but here, in the 1960s, one of his sizable fleet of Foden tippers threads its careful way though a Glouchester village while in the background a Midland Red single decker approaches its bus stop.
The original painting is in oils on a canvas board 20”x30” and was painted for a transport calendar.
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Leiden
The Netherlands
2013
"Look what i found! Its the covert photographer's blog!"
Since today there is a blog: thecovertphotographer.wordpress.com/
On the blog i will attempt to provide more background to my images and discuss photography and everything else worth discussing on a blog.
Follow and spread the word if you like what you see.
Dashilan, Beijing
July 2012
China
Urban life
Ricoh GR Digital IV
Please do not reproduce or use this picture without my explicit permission.
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In Transit
May 2012
The Netherlands
Candid shots in and around the Public Transport in The Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
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The phenomenon of the Green Ray (or Flash) occasionally seen at sunset or — with greater difficulty — at sunrise is beautifully described by Marcel Minnaert In his book: "The nature of Light and Colour in the open air" (Dover publications inc., New York, 1954, pp. 58–63). As I have reported in a previous post ( www.flickr.com/photos/bob_81667/40402297274/ ), the visibility of the phenomenon is dependent on scattering and absorption processes occurring during the long path that sunlight takes through Earth's atmosphere to reach our eyes at these times. These processes result in what is known as the telluric spectrum of the sun which is distinct from the absorption resulting from the escape of light through the solar atmosphere.
The telluric spectrum of the sky and of the sun itself varies during the day (and night) depending on both the altitude of the sun above the horizon and on the varying content of atmospheric gases, most notably that of water vapour. In his book, Minnaert shows a rough sketch of the visual spectrum of the setting sun seen through a visual spectroscope (Fig. 55, credited to N. Dijkwel, Hemel en Dampkring, 34, 261, 1936). This shows the development of the gap between the green and the red segments of the spectrum as the sun reaches the horizon but is attributed by him to water vapour absorption which, although it does play a minor role, the much larger effect of ozone absorption on the spectrum of twilight was not widely appreciated at that time.
In this picture, I assemble some of the historical drawings along with modern digital spectra to help give a clearer picture of the contributors to the sunset spectrum.
The lower frame in the picture is the sketch from Minnaert's book of the of the sunset spectrum developing downwards with time. I assume that this is a prismatic spectrum which is squashed up towards the red end compared with the linear grating spectrum in the upper plot. I have coloured Minnaert's picture to show the correct orange colour between the middle two absorption bands. The 4th strip from the top shows two pairs of absorption bands that I have labelled, from the right to left, A, B, R and Greek(delta).
[Note added in December 2020: I am not certain in my attribution of the of the two reddest absorptions in row 4 to Fraunhofer A and B as was suggested by their position in the drawing. My own examinations of the setting sun with a visual prism spectroscope reveal that the two bands, alpha near 630nm and the combination of Fraunhofer C (H-alpha) and the water band near 650nm form a more prominent pair. If this is the case, it is worth remarking that these four features drawn in row 4 contain two bands from tetra-oxygen that could not be identified as such at the time of the original investigations by Ångström and others in the 19th century. It is now known that such CIA (see below) transitions contribute a small but significant part of the ensemble of absorptions that produce the global greenhouse effect. I think that the fact that we can see these bands with the eye through a simple spectroscope is interesting.
I have now (10/12/2020) replaced the figure with this new, and more likely, interpretation of Dijkwel's drawing.]
Above this, I have reproduced (in mirror image to reverse the spectral direction) the observations of the telluric spectrum made by Ångström and shown in the book "Spectrum Analysis" by H. Schellen, D Appleton and Company, New York, 1872, Fig. 95, p183. This is on a linear wavelength scale aligned with the spectral plots at the top of the picture. Download the full size version of the image to read the labelling on this. The drawing shows the strong solar Fraunhofer lines as well as the telluric features. Note that it also includes the blue tetra-oxygen feature at ~476nm that was shown at a shorter wavelength in one of Ångström and Thalén's (presumably earlier) maps shown in plate VI of the above book.
The top plot shows a sunset spectrum (blue line) and also a spectrum of the eclipsed moon (Pallé, E. et al. Nature volume 459, pages 814–816 (11 June 2009) — red line). These are marked with the major telluric lines and bands from H_2 O (water), O_2 (molecular oxygen), O_3 (ozone) and the O_2 * O_2 dimer (now known as the CIA O_4 Collisionally Induced Absorption). Overlayed on this is the first reported spectral plot I have found of the central part of the ozone Chappuis band absorption and reported in the Astrophysical Journal in 1934 ( articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?19... ). This is inverted and flipped left-right but you can see the characteristic double dip at the centre of the Chappuis band. The red and blue line spectra are plotted as a ratio of the the spectrum of an uneclipsed moon (top) and the spectrum of the sun seen high in the sky (bottom, blue line). This results in the removal of the intrinsic spectrum of the sun, leaving only the telluric spectrum.
So what's going on here? The principal difference between the red and blue line spectra (eclipse and sunset) in the top plot is the path that the sunlight takes through the atmosphere in these two situations. In the lunar eclipse, the light grazes the Earth on its way to producing the 'copper-coloured' moon but, in this case, the path avoids the low altitude atmosphere where most of the water vapour resides. You can see that the water band absorptions are much weaker than in the blue sunset spectrum. The other difference — a more subtle one — is that the CIA features (notice especially the one around 578nm) are stronger in the sunset spectrum which was obtained from a low altitude observing site, essentially sea-level. This is because the formation of the CIA lines needs two adjacent oxygen molecules and so its strength is dependent on the oxygen partial pressure squared and so is only really produced in the low atmosphere.
How do we interpret the spectrum sketches in Minnaert's book? The clear separation between the green and red segments in the 5th strip down is predominantly due to the ozone Chappuis absorption (see the model spectra in: www.flickr.com/photos/bob_81667/40402297274/ ). The central pair of absorptions seen in the 4 strips above is partly the result of the shape of the central part if the ozone Chappuis band but it is enhanced by the CIA absorption on the short wavelength side and by the water absorption on the long wavelength side. This water band was known by Victorian observers as "The Rain Band" since is was supposed to appear more strongly in damp weather and so was used for forecasting rain (though not very successfully!) This spectral region has a very characteristic appearance in a visual spectroscope with what appears to be a broad yellow 'emission' band flanked on either side by significant absorption. It is strong in both the sky and solar spectra when the sun is low: I have labelled these absorptions by 'delta' (as used by Ångström) and 'R' for Rainband. These are shown very clearly in the Spectral drawings by Piazzi Smyth made in 1875/6.
See: www.flickr.com/photos/bob_81667/11433988063/
The absorptions further to the red in the Minnaert sketch I suggest should be identified with the very strong molecular oxygen bands known as Fraunhofer 'A' and 'B' although it is not obvious why only a single band is shown on the 3rd strip. Maybe the observation was influenced by a strong water band marked 'a'?
Why should we be so interested in this apparently rather arcane branch of observational astronomy, even though it was all-the-rage in the late 19th century? The reason is that the use of long light paths through planetary atmospheres that can be extracted from observations of a planetary transit (when the planet crosses the disc of its ‘sun’) is one of the primary ways of learning about exoplanet atmospheres, currently a major ‘industry’ in astrophysics.
GELDER, van, Jan & RUITENBERG-de WIT, A.F. (1955). Ovidius : bloemlezing uit de werken van Publius Ovidius Naso in nieuwe vertaling.
Drukkerij de Spaarnestad, Haarlem.
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Narcissus is a figure from Greek mythology who was so impossibly handsome that he fell in love with his own image reflected in a pool of water. Even the lovely nymph Echo could not tempt him from his self-absorption.
Improved insole; premium, 3x better moisture absorption, 100% better energy absorption
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The Hague
August 2012
The Netherlands
I found this man lying on the sidewalk when i walked out my door yesterday. He was totally out of it, would barely respond to anything let alone say something coherent. He was so drunk he had soiled himself and he was lying across the sidewalk without any form of shelter.
I called for an ambulance but they sent the police, who proceeded to "wake" him up before taking him to the station. I hope he had a good night sleep in a holding cell, it was storming and raining yesterday so it was probably better than staying on our sidewalk..
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely i will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
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All rights reserve
Amsterdam
June 2012
The Netherlands
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
Please no glossy awards, scripted comments and big thumbnails back to your own work.
I will remove them...
The Hague,
June 2012
THe Netherlands
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
Please no glossy awards, scripted comments and big thumbnails back to your own work.
I will remove them...
pls keep the comments clean.
no banners & awards pls!
© All rights reserved. Use without permission is illegal.If you do so you will be sued!!!
Scheveningen/The Hague
May 2012
The Netherlands
Beachlife in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
Please no glossy awards, scripted comments and big thumbnails back to your own work.
I will remove them...
Metro
Beijing, China
July 2012
Candid shots in and around Public Transport
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
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Please no glossy awards, scripted comments and big thumbnails back to your own work.
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This post gives a description of the sky during 'The Blue Hour' some 26 minutes before winter sunrise in Scotland. This is representative of periods during the Arctic winter to which the reindeer have adapted their vision to optimise the ability to feed and survive predation during the long winter twilight north of 60° latitude.
The image shows the reflective mirror (tapetum lucidum) revealed during the dissection of an eye from an animal during the regular cull of animals in northern Norway by the Sámi reindeer herders. The tapetum changes from a golden-turquoise colour in summer to a rich blue in winter.
The photograph of the sky https://www.flickr.com/photos/190452030@N06/52638473207/ was taken by Tom Fosbury in January this year (2023) and illustrates the physical mechanisms responsible for the intense blue environmental light that triggers this seasonal adaptation.
A Commentary on the Colour of the Pre-dawn Twilight Sky
For a direct link to the photo, see the comment below this text.
Looking towards the southwest from Cairngarroch before the winter sunrise, Tom's photograph of light snow-cover in the pre-dawn twilight provides a masterclass in the study of the formation of the colours of the sky.
With the yet-to-appear Sun over your left shoulder, the sky above the shallow peak called Millfore (656m) is beginning to show the familiar pale blue of the clear daytime sky above the pale yellow horizon that precedes sunrise. This is the pure blue produced by the Rayleigh scattering of sunlight by air molecules, mostly of them nitrogen. Unlike many natural pigment colours, this Rayleigh blue carries no hint of purple and demands that the artist chooses a colour that provides this hue.
As we traverse to the top right of the picture, the blue deepens to a fundamentally different hue that perfectly justifies the use of ultramarine pigment made from ground and purified lapis lazuli. This much prized and very costly material was used by Titian to such effect in his Bacchus & Ariadne (1520-3) with the starry sky in the top left of his painting giving the hint that scene is lit by twilight. Titian learned, from his pigment advisor Cennino Cennini, that: "Its hue is that which marks the transition from dusk to night, with a purple tint to enhance its majesty."
The remarkable property of this photograph is that it so beautifully illustrates the transition between these two blues that are entirely different in their physical origin. The "Blue Hour" ("l'heure bleue"), so favoured by painters around the turn of the 19th – 20th centuries, is now known (Hulburt, 1953) to be the result of the absorption of horizon-grazing sunlight by ozone in a layer between about 12 and 40 km altitude. With its long tangential passage through the atmosphere, much of the yellow-orange region of the solar spectrum is removed by the 'Chappuis' absorption band that results in the continuous destruction of the ozone gas by causing this rather unstable molecule to furiously vibrate and self-destruct.
Fortunately for us, the sunlight also stimulates the formation of new ozone at almost exactly the same rate. If it did not, life on the surface of the Earth would shrivel under a rain of deadly ultraviolet photons. We live under a fragile shield of ozone gas that we nearly destroyed last century with leaking refigerators and air-conditioning systems.
It is not widely appreciated that that atmosphere provides us with the delight of two entirely different blues. One of the reasons that we are not so aware of this is that our vision changes dramatically during the passage of twilight. As the sky dims at sunset (or brightens at sunrise), we switch from our 'cone' photoreceptors, whose (usually) three types give us daytime colour vision, to our more sensitive 'rods' that are tuned to blue/green light but give us no colour perception. The remarkable blue of deep twilight when the Sun is below the horizon is well captured by modern digital cameras that are both sensitive and can be made to control their colour balance (white balance) to avoid automatic colour-correction that would unwittingly compensate for the real ozone-blue.
One of the most remarkable animal visual adaptations to the extreme blue of twilight is seen in Arctic reindeer (caribou) that live and feed for about 10 hours a day in the twilight conditions of winter. These animals seasonally and reversibly change the reflected colour from the mirror behind their eyes (the tapetum lucidum) to match the spectrum of the winter sky (Fosbury and Jeffery, 2022).
The Chappuis band of ozone is the strongest indicator of oxygen that we may see in the visible spectrum of transiting exo-planets as an indicator of the presence of oxygen and the possibility of life.
This activity on the sky is reflected in the snow-dusted landscape with the lighter patches reflecting the brightening eastern horizon while the apparently shaded regions reflect the deep, metallic ozone blue of the western sky and the Earth shadow. The fresh snow has a very high albedo due to the efficient Lambertian scattering of light from myriads of tiny ice crystals.
This whole photograph is suffused with a mixture of colours derived from the two dominant physical mechanisms that paint the sky: scattering and molecular absorption.
References
Hulburt EO. 1953 Explanation of the brightness and color of the sky, particularly the twilight sky. J. Opt. Soc. Am. 43, 113–118. (doi:10.1364/JOSA.43. 000113) opg.optica.org/josa/viewmedia.cfm?uri=josa-43-2-113&s... (unfortunately not open access, but see the book: "Why the Sky is Blue" by Götz Hoeppe, Princeton University Press, English translation 2007, for an excellent explanation of the nature of ozone absorption in the atmosphere.)
Fosbury Robert A. E. and Jeffery Glen 2022 Reindeer eyes seasonally adapt to ozone-blue Arctic twilight by tuning a photonic tapetum lucidum Proc. R. Soc. B.2892022100220221002
doi.org/10.1098/rspb.2022.1002
Appendix: Image and location geometry
The image was exposed at 2023-01-20 07:57 UT at a location in Dumfries & Galloway called Cairngarroch.
Lat: 55° 04' 12" N, Long: 4° 21' 54" W at an altitude of 548 m
The broad, shallow peak visible at the left side of the image at a bearing (cw from N) of around 210°, consists of a high point (Millfore, 656m) at 2.6km with a 2 km ridge dropping slowly to the southwest for a further 2 km. The photo covers an azimuth angle of 74° from approximately S to WSW.
Using the spreadsheets available from gml.noaa.gov/grad/solcalc/calcdetails.html, we can calculate the solar position at the time of the photograph. The solar elevation (at sea level) was then -4.5° and the azimuth was 119° which results in an irradiance on a horizontal surface about 1/15 of that at sunrise.
At the camera altitude above sea level of 550m, the zenith distance of the Sun at sunrise can be calculated using the the approximate formula given in the Explanatory Supplement to the Astronomical Ephemeris, HM Stationery Office (1961), p401:
zd_Sun = 90° 50' + 2.08 * √h(m)
= 91° 39'
where h is the altitude of the camera in metres. Using the NOAA tables above, this indicates the time of sunrise with a clear horizon of 08:23 UT, ie. 26 min after the photo was taken, in the direction of Castle Douglas about 31 km away.
It took so long to decide what photo was going to be used for the eighth week in my project.
I decided on this one because I have been longing to put up a bright 'summery' photo for a while now.
This is of my brother on a beach in Glenn Maye, Isle of Man.
Even though we don't always get along, I am glad I have him in my life.
He is practically one of the closest mates I have.
He understands when I'm feeling upset, he makes me laugh on a daily basis and we can act like a pair of jokers and not care about how others think of us. He kinda brings the child out in me.
The one thing I'm not completely happy about is the light exposure.
I personally think it's way too bright.
But this is only a minor annoyance... so I'm not too worried. :)
Check it out on Tumblr
A lizard endemic to South Africa and specifically to Table Mountain and the Cape Peninsula with a second location near Langebaan, north of Cape Town.
These are solitary creatures and black in colour, which facilitates absorption of the heat from the sun in what is a relatively cool part of South Africa.
My image was captured on Table Mountain some years ago.
With every breath and absorption of nourishment, prana is conditioned and released into the universe by Gaia.
A 1961 example of the relatively uncommon 60-seat, front-entrance Lodekka ...the Bristol FSF. This one was in the fleet of South Wales Transport when photographed in Swansea on Friday 31st December 1976. South Wales Transport was a subsidiary of BET, and the FSF was very much a non-BET vehicle. It had been brought into the SWT fleet by the absorption of United Welsh, a Tilling Group subsidiary eliminated as part of the National Bus Company's rationalisation of its Welsh operations. The NBC had been formed by a merger of the state-owned Tilling and BET groups.
A little bit of cinematic toy photography, with practical lighting effects and captured with a 2x anamorphic lens combined with an 85mm,
Prints available via my website, www.tommilton.co.uk
Not really my cup of tea. Plaxton body, of a design I always thought bland, uninteresting and embarrassingly named ...the "Supreme". But, where one might have expected to descry the winged blue-and-red triangle of AEC, or one of the Leyland "menagerie" badges, there was VOLVO, bold as brass. What were Volvos to me? All those rather ugly, angular-looking cars, sidelights self-righteously ablaze, built in somewhere like Uppsala by a lot of tufty-eyebrowed, sauna-steamed, angst-tormented, pine furniture-loving social democrats called Sven or Björn who lived in darkness for half the year. They meant nothing, being unconnected with what had gone before in this country. They had simply arrived out of the blue from somewhere else and were not part of the national omnibological tradition. In small things so in great. What is "globalisation" but the abolition of all that is local and its absorption into something universal and inescapable?
So it was the thin end of the wedge: Van Hool bodies were beginning to appear on domestically produced chassis and we'd had Caetanos for a while, but soon would come all those Bovas, Ivecos and the rest, and home-grown products would be quietly killed off ...AEC and Leyland side by side like two kittens drowned in a bucket. The coach was new to Morris Bros, Swansea ...a long-established user of Leylands, AECs and Bristols... in April 1976. It was photographed somewhere in London on Sunday 3rd September 1978. I can't remember exactly where it was. I suppose I must've focused on the front of the coach and the street name is slightly blurred. The previous frame on the negative strip was snapped at Vauxhall Bridgefoot coach park and the one after was shot in one of the side streets off Whitehall. Double kerb. Would it be Birdcage Walk or Horse Guards Road, with the park on the opposite side?
so much to say.
biofluorescence is the topic of my PhD dissertation. it is a translational phenomenon; light in a wavelength band translated to a different wavelength band, dictated through electronic absorption, classical vibration, and electronic emission. there are more proposals for its possible functions than i would care to count. biofluorescence is spectacular. it is a challenge+++ to photograph, let alone to be creative with that photography. photographed here is the ultraviolet-/violet-excited biofluorescence of a white globe lily, also known as fairy lanterns, found in the Volcan Mountains. the photograph itself is a multi-entendre speaking of the technical photography of fluorescence, the flower's colloquial ties to the magical, the nature of light itself, and other honors to intangibility and uncertainty. this photograph was inspired by one of my favorite nature photographers, Jiří Hřebíček. it is one of my favorite photographs i have ever made, for all the clever layers buried in it, and i am proud to have presented it as part of the artistic body it crowned.
seen on Kumeyaay land.
This work was produced under the Marjorie and Joseph Rubenson Endowment for Art and Science at Volcan Mountain.
30 minutes of sunlight daily
The well-understood benefit of sunlight is the production of vitamin D. When skin is exposed to sunlight, a series of chemical reactions begin that converts precursors of vitamin D to the active form of vitamin D. Vitamin D is needed for the intestinal absorption of calcium and the maintenance of calcium and phosphate levels necessary for healthy bone formation. It is also important for proper immune function, cell growth, and nerve and muscle function. Some foods naturally supply vitamin D, such as fish and liver. Other foods, such as milk and cereal, are typically fortified with vitamin D.
1. Sunlight and whole foods send breast cancer into remission. The American physician Dr. Zane Kime used sunbathing and nutrition to cure his patients. Even in terminal cases, Dr. Kime was able to completely reverse the metastasized cancer.
2. The sun's light kills bad bacteria. The German solders after WWI knew of the discoveries that had been made in 1903 by the Nobel Prize winner, Niels Finsen. They used sunlight to disinfect and heal wounds.
3. Sunlight has a beneficial effect on skin disorders, such as psoriasis, acne, eczema and fungal infections of the skin.
4. Sunlight lowers cholesterol. The sun converts high cholesterol in the blood into steroid hormones and the sex hormones we need for reproduction. In the absence of sunlight, the opposite happens; substances convert to cholesterol.
5. The sun's rays lower blood pressure. Even a single exposure significantly lowers blood pressure in individuals with high blood pressure. On the other hand, pharmaceutical drugs such as Statins have side effects, such as robbing the body of Coenzyme Q10. CoQ10 is essential for cellular and heart energy
6. Sunlight penetrates deep into the skin to cleanse the blood and blood vessels. Medical literature published in Europe showed that people with atherosclerosis (hardened arteries) improved with sun exposure.
7. Sunlight increases oxygen content in human blood. And, it also enhances the body's capacity to deliver oxygen to the tissues; very similar to the effects of exercise. The sun has a great effect on stamina, fitness and muscular development.
8. Sunlight builds the immune system. The white blood cells, which increase with sun exposure, are called lymphocytes, and these play a major role in defending the body against infections.
9. Regular sunlight exposure increases the growth and height of children, especially babies. Many cultures throughout history have recognized this fact. Studies have shown the amount of sun exposure in the first few months has an effect on how tall the person grows.
10. Sunlight can cure depression. The noon sunshine can deliver 100,000 lux. When we sit in offices for the best part of the day, out of the sun, under neon and artificial lights (150-600 lux), we are depriving ourselves of the illumination of nature. Sunlight deprivation can cause a condition called seasonal affective disorder (SAD), a form of depression. It is more common in winter months, but also common in people who work long hours in office buildings .Exposure to the sun should be done SLOWLY! If you are not used to the sun, then your skin will be more sensitive to it. Avoid sunburn by building up your tolerance SLOWLY. There are many known benefits of sunlight on mood and health, but regular sunlight exposure also can have long-lasting, positive effects on bone health, heart health, immunity and disease prevention. Sunlight often serves to encourage exercise, physical activity, travel and social interactions.
To know more visit www.yogagurusuneelsingh.comPic By Addy
Wyeth Nutrition’s illuma brand helps to enhance infants’ absorption of key nutrients and supports their immune function.
Amsterdam
June 2012
The Netherlands
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
Please no glossy awards, scripted comments and big thumbnails back to your own work.
I will remove them...
A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle. This liquid can then be circulated through a heat exchanger to cool air or equipment as required. As a necessary byproduct, refrigeration creates waste heat that must be exhausted...
Zaahr - in Black * Zaahr - Facebook
Rondo Veneziano - Musica Fantasia
Gracias a todos por los amables comentarios, mi amig@s!
Thank you for all your kind comments, my friends!
Intercity Arnhem-Utrecht
February 2013
Candid shots in and around Public Transport
Ricoh GR Digital IV
Check out my blog: www.thecovertphotographer.wordpress.com/
April 2012
The Netherlands
Candid shots in and around the Public Transport in The Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
Please no glossy awards, scripted comments and big thumbnails back to your own work.
I will remove them...
All rights reserved
Amsterdam
May 2012
The Netherlands
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely i will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
All rights reserved
The cocoon nebula is an interesting target as it is made up of all 3 major types of nebula: emission, reflection and absorption, it also sits in a nice patch of dusty space if you have the skies to image it.
This is the start of what should be a bit of a marathon on this target, as I'm planning an extended run in both Hydrogen Alpha and RGB to try and capture as much of the three different properties present here as possible. Looks like a promising start.
15 x 10 minute Hydrogen Alpha exposures taken through an Altair Astro 6" RC with an Atik 314l+, processed in Pixinsight and CS5.
Shot with Canon EOS 40D + Sigma 10-20mm
At first I want to thank Mandy for the cool idea on the processing. Thank you honey.
Creating this shot too me about 2,5 hours inside quiet unpleasant surroundings.
This place was humid, dark, and a bit frightening.
It took me so long, since I did not know exactly what I wanted to create. All I knew was, that I wanted to create something dark and moody, since the location offered everything that would be needed for that.
I shot until I had results that appealed to me.
I am happy with the result, but a bit unsure whether there are enough details in the shot.
I would love to know your impressions, thoughts and ideas on the concept and technical part.
Does the message come across? Don't hesitate to tell what you think. Please be honest.
I would also love to know whether you would be interested in a Before and After of the shot?
Many more information about my photography is available on my WEBSITE
Leiden
April 2012
The Netherlands
Urban life in the Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely i will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
All rights reserved
The Hague
May 2012
The Netherlands
I just mailed my portfolio submission to Magnum.
Wonder if I'll ever here something from it again....
Candid shots in and around the Public Transport in The Netherlands
Ricoh GRD IV
Please do not reproduce or use this picture without my explicit permission.
If you ask nicely I will probably say yes, just ask me first!
If you happen to be in one of my frames and have any objections to this.
Please contact me!
Please no glossy awards, scripted comments and big thumbnails back to your own work.
I will remove them...