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Nicht scharf das Foto vom Jupiter, aber die Nikon B700 hat auch 4 Monde gesehen, im Vergleich aus dem Programm Stellarium.
nen23636-stellarium
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rechtzeitig nach dem Sonnenuntergang zeigte sich der Himmel klar, Jupiter & Saturn standen dicht beieinander. Mit der Nikon COOLPIX B700 konnte ich es festhalten, wenn auch mit Unschärfe, aber sogar vier Monde des Jupiters waren zu sehen. Im Vergleich aus dem Programm Stellarium eine Ansicht.
Observándolo a escala de tiempo del ciclo metónico de 19 años, este eclipse total equinoccial es el primero de una serie de tres eclipses totales equinocciales consecutivos distanciados por 19 años. De hecho, explorando con el software planetario de Stellarium, el próximo eclipse total en equinoccio ocurrirá en 2034 y es el más preciso del terceto puesto que se podrá ver como total desde el ecuador, que es el círculo del planeta en cuyo mediodía los rayos del Sol inciden directamente en los equinoccios. Por tanto este eclipse equinoccial total de 2015 es el primero de la serie de tres en un periodo de 38 años que en tiempo lunar son 470 meses lunares, ciclos de fases o ciclos sinódicos.
Wikipedia
Comme le temps est pourri depuis un sacré bon bout de temps, j'ajuste ou retraite d'anciennes photos.
Là, c'est une version un peu plus flashy d'une photo faite il y a 2 ans.
Je remets ici le descriptif d'origine :
Et voila, première astrophoto de l'année. Après de longs mois sans ciel clair ou de pleine lune, la première nuit de l'année est très claire au dessus du Vercors. Je suis allé me poster un peu au dessus de Villard de Lans pour faire cette photo dont je ne suis pas peu fier. Elle est complexe et j'y ai passé la nuit. Pour la réaliser, j'ai travaillé avec ma monture légère, une SW Star Adventurer, mon Canon 1200D défiltré par Photomax, mon objectif Samyang de 135 mm f/2 et mon gros caisson de batterie très lourd pour alimenter la monture, l'APN et la résistance chauffante. J'ai voulu réaliser cette photo avec un premier plan. La difficulté consistait à obtenir un premier plan au 135 mm qui soit bien celui où se trouvait Orion. J'ai donc travaillé sur 2 spots, un en hauteur, l'autre le plus bas possible mais avec un premier plan sympathique. Pour rechercher les spots et faire en sorte que la position d'Orion corresponde j'ai fait du repérage de jour quelque temps avant et j'ai simulé la position d'orion sur Stellarium. Pour la photo du ciel, je me suis donc placé bien en hauteur de façon à ne pas voir le premier plan (arbres et colline) et j'ai accumulé 157 photos de 45 secondes de pose et 60 photos de 60 secondes de pose, ouverture f/3.5 iso1600 (+30/30/30 DOF). Les photos ont été traitées, alignées et empilées sous Siril. Pour le premier plan, je suis descendu de mon point d'observation (avec tout le matériel) pour me placer le plus bas possible, de telle manière qu'Orion apparaisse au niveau des arbres ... vers 4h du matin (oui, j'ai dormi dans la voiture ...avec le chien qui m'avait accompagné), puis j'ai accumulé 18 photos de 15 secondes de pose (courtes pour que la scène reste de premier plan noire, mais qu'elle se détache du ciel, et nombreuses pour avoir un signal bien net, sans trop de bruit) que j'ai ensuite traitées et empilées sous siril pour obtenir un premier plan que j'ai fortement contrasté ensuite. Le réassemblage a été fait sous GIMP.
Concernant les objets visibles, c'est la fête ! En bas, entre les sapins, vous avez la grande nébuleuse d'Orion M42, surplombée immédiatement de la nébuleuse du coureur (NGC 1977). Plus haut, on voit l'alignement des 3 étoiles de la ceinture d'Orion, Alnitak à gauche, Alniram au milieu et Mintaka à droite. Au dessous d'Alnitak, on voir IC434, la grande nébuleuse rouge avec la tête de cheval et, au dessus, en jaune, la nébuleuse de la flamme (NGC 2024). Immédiatement au dessus de la tête de cheval, on voit une nébuleuse bleue, c'est NGC2023. A sa gauche, il y a une autre nébuleuse bleue, plus petite ; c'est IC435. Entre Alniram et Mintaka, on voit une petite tâche blanche ; de même un peu au dessus d'Alniram. Ce sont respectivement IC423 et IC426, des nuages moléculaires. La nébuleuse rouge plus diffuse à gauche de l'image, c'est la boucle de Barnard, un objet gigantesque, d'environ 300 années lumières de diamètre, qui entoure l'ensemble des nébuleuses d'Orion ; on n'en voit ici qu'une toute petite partie. Il y a bien d'autres objets célestes sur cette photo, le système d'Orion étant très riche en nébuleuses. Tous les objets précités se trouvent dans le système d'Orion à environ 1600 années lumières du système solaire (la lumière qui nous parvient est partie à la fin de l'antiquité).
Bonne année à tous !
Harvest Moon v Super Moon = Not much difference really. whilst a bit disappointed at missing the super moon rise above the horizon the other day, I thought I'd do a comparison image of the super moon that I caught on the 12th of November two days before the actual full moon of the 14th, compared with the Harvest full Moon at sunset on the 16th of September. Using 300mm focal range for each capture.
The distance of the Harvest moon from my capture point (according to the Stellarium app) was just over 225, 000 miles. And just over 222,000 miles with the super moon 30 minutes above the horizon, although the app suggests it would've been 221,800 miles away whilst directly overhead just after midnight. The next full moon will be on the 14th of December at a distance of just over 223,000 miles,
My conclusion is a few thousand miles difference in space is a mere stones throw on Planet Earth.
(Update: Mystery solved, the satellite was CSO 1, a French military imaging satellite. Thanks ehrwien for pointing me toward Stellarium!)
Colorful and bright Perseid meteor traveled "up" from the bottom left of the frame, and much later a mystery satellite crossed right in the middle of Andromeda.
I don't know what this satellite was, maybe it's one of SpaceX's starlink sats? It went across the entire frame from left to right starting at around 2:54 AM Pacific DST on Aug/15 2020, but the leftmost part was cut because it was between two frames.
Interesting that the color of the meteor changed during the flight, greenish at first and later turning into orange. This is real, it's there in a single frame before any post-processing.
Shot from my heavily light-polluted back yard. Total exposure 1150 sec, each either 30 or 40 sec at ISO3200. I first made a stack of 1150 sec using sequator, loaded it in photoshop, then loaded two individual frames containing meteor and satellite, respectively, as separate layers, used visibility mask to only blend the trajectory into the stack.
BTW no tracking mount was used, this was all done on a weeny travel tripod, fine tracking was all done by the camera (Astrotracer to move the sensor), and a rough "tracking" was done manually each 10 minutes or so by moving the ballhead.
ISS, Comet NEOWISE and Moonset above Potholes Reservoir.
I checked Stellarium before we left and noticed the International Space Station would be passing through at about 10:15PM and sure enough right on schedule. The break in images was when I forgot to release the shutter for the second group of 9 images (I need a remote timer)
Made from 18 light frames with 21 dark frames by Starry Landscape Stacker 1.8.0. Algorithm: Mean Min Hor Noise
Coleyville, South East Queensland.
This is the last of my images from Friday evening. Before photographing the Delta Aquariid meteors, I stopped off at Coleyville to shoot this panorama of the Milky Way. I planned this shot using Stellarium and Google Maps, so I knew that this dirt road would be lined up with the plane of the Milky Way at 8:30pm, and I think it worked out quite well. The panorama was made by stitching twelve images, each taken with the 6D and Samyang 14mm f/2.8 lens at f/2.8 and 6400 iso.
Night of Darkness here - streetlights off for a few hours. I thought I' make the most of it and took a picture of Jupiter - and three of its moons.
I added a screen capture of Stellarium to verify the position of Jupiter's moons. Great tool.
I went out the other night after waiting a few weeks due to cloudy skies then the full moon which is rather unusual here during winter , more of a autumn weather pattern [ global warming ]
I just wanted to sort out my night shooting with the wide lens [14mm F2.8 Samyang or Rokinon ] shooting one layer portrait instead of two layers horizontally which I have usually shot with the 24mm
The Milky Way was rather high almost overhead so I just fitted it in the frame
You can work out how large these tors are compared to the tree to the left
Most of the light on the FG is reflecting off the water from Venus and Jupiter about to head over the horizon with a 1 second lightpaint up high on the rocks as any more ruined the mood and balance of light
I must admit I am very pleased with how well the 6D handles the 6400 ISO
I bought it just for night shooting and backpacking
This is a ten shot stitch
Here are some links to tutorials on night photography
You need to start with good equipment and procedures when shooting
Composition is equally as important at night as with normal landscape photography if you are going to end up with a great image !!!!!!!!!!
The other difficulty is getting the Milky Way to align with any comp and being able to access a position that's gives you them both together
When you look at one end of the comp you have to turn around and face the other way to see how it will all come together
intothenightphoto.blogspot.com.au/2015/03/nightscape-podc...
lightcrafter.smugmug.com/About-Nightscapes
www.exploringexposure.com/blog?category=Night%20Tutorials
www.davemorrowphotography.com/p/tutorial-shooting-night-s...
There is a lot of info in these tutorials and its all makes a difference to the end result !!!!
The Milky Way generally runs from the south to the north from my experience
You can get very accurate by using Stellarium
I won`t repeat everything they will tell you
Then there is the processing which they go into also
Some of them have Ebooks which would be well worth purchasing as they will save you a lot of time and money if you are serious about night landscapes
It is great getting out of the cities away from the light experiencing and shooting the night sky
If you want to come out shooting at night for some hands on training contact me and we can make arrangements
Cheers
John
Bansai Trip #5 took place over February 18 and 19 and included racing up the 5 and cutting across to Garrapata to shoot the lilies, sneaking onto Coast Guard property to shoot the Bay Bridge in San Francisco, shooting the Golden Gate Bridge as the low clouds moved back in at 1 AM, and a bleary eyed, very cold drive up highway 50 to Lake Tahoe where we shot Emerald Bay and several other spots before driving some 9 hours or so back to Orange County. (It probably would have been closer to 8 hours if Tom hadn't gotten pulled over by the CHP just outside of Bishop.)
As we pulled into Lake Tahoe, I was hoping that we would be able to shoot the Milky Way over Emerald Bay as Stellarium had forecasted 4 AM as the time the Milky Way would rise in the East. When we pulled up at 4:15 and began shooting it took awhile for our eyes to adjust. It was only after we looked at our LCD screens that we realized that there were a few scattered high clouds overhead catching the light of the different towns around the lake in addition to the Milky Way, creating an eerie glow. Rather than being bummed about the clouds, I immediately liked the look the clouds and light created and both Tom and I spent the next four hours or so shooting from different locations around the Bay. The clouds eventually lit up for a very decent sunrise giving way to a gorgeous day at Lake Tahoe. I was more than pleased with what we were able to shoot over 36 hours, but when the alarm went off the next morning at 5:45 AM...it really made me wonder if I could pull that off again. It was definitely worth it, but I need to make sure I don't try the sleep deprivation thing right before a work day if I ever try this again.
(Nikon D800 & Nikkor 14-24. Single exposure shot at ISO 1250, f 2.8 for 44 seconds.)
This is a bit of an odd ball as it does not follow anthing like I have done before. I found this Dark looking structure on Stellarium but it was not named so could not select it by writing the name. I was able to use the cool feature in Nina Select it in Stellarium and it brings it into Nina as a target. The star is HIP 54413 at least I knew that part from Stellarium This is two nights worth of shots and about 6 goes at trying to edit this which is so different to how I have done all the others.
I think this is pushing the limits of the ED 80 with all this very light dusty part of the sky. The mount performed flawlessly so really happy with the two upgrades.
ZWOASI071MC Pro -10c 90 shot 10 min
MeLE Mini PC
Pegasus Astro Pocket Mini power box
Prima Luce Essato Focus
Optolong LeNhance filter,
Skywatcher Black DiamondED80 OTA
Skywatcher NEQ 6 Pro
SVbony 50MM Guide scope
QHY QHY5L-II-M Guide camera
Guided PHD2, Nina
Pixinsight, Ps PTGui.
Thor's Hammer, in Bryce Canyon National Park, is one of the largest and most famous sandstone hoodoos (150 feet or 46 m. high) in the park. This is a real alignment I photographed on July 15 at 5:03am (pre-planned using Stellarium). Unfortunately, there was smoke on the horizon, due to recent wildfires in the area, which obscures some of the comet's tail—still, I'm happy with the alignment I captured on that early morning.
TECHNIQUE & EXIF: Stacked / Blend • Canon 6D + 70-200mm @ 100mm • 5 exposures @ f/2.8, 4 sec, ISO 6400, stacked w/Starry Landscape Stacker to reduce noise • a 6th focus-stacked exposure (f/7.1, 25 sec, ISO 4000) was blended via Ps layers for better foreground detail on Thor's Hammer • That foreground exposure included Low Level "Reflection Projection" Landscape Lighting bounced off a nearby geological feature. A step-by-step tutorial is available on this Instagram post.
Night Photo Blog | NightScaper FB Group | My eBook | Workshops
Monoceros contains many clusters and nebulae, most notable among them are:
- The Rosette Nebula (NGC 2237, 2238, 2239, and 2246) is a diffuse nebula in Monoceros.
- The Christmas Tree Cluster (NGC 2264) is another open cluster in Monoceros.
- The Cone Nebula (NGC 2264), associated with the Christmas Tree Cluster, is a very dim nebula.
- NGC 2254 is an open cluster with an overall magnitude of 9.7, 7100 light-years from Earth.
- IC 447, a reflection nebula.
- Sh2-280 is avisible emission nebula in the Unicorn constellation.
- NGC2259, NGC2251, NGC2254, NGC2236
- IC 448
(Wikipedia,Stellarium)
More Astrophotography at : telescopius.com/profile/k-bahr
and on Instagram: www.instagram.com/astrophotography_in_the_north/
h/
This image took me over 1.5 years to complete and I used 3 different optics and 3 different cameras for it!
I hope you like the Image!
**Equipment:**
* Camera: Canon EOS 6D, Canon EOS 200D, Canon EOS 600Da
* Mount: Skywatcher EQ5 Pro
* Scope: Omegon Pro Astrograph 154/600, Samyang 135mm f2, Meyer Görlitz 200mm f4
* Coma Corrector: Skywatcher Aplanatic Coma Corrector
* Guidescope: Orion 50mm Guidescope
* Autoguider: Orion StarShoot Autoguider
**Software (Aquisition):**
* Astrophotography Tool (APT)
* PHD2 Guiding
* EQMOD + ASCOM
* Stellarium
**Acquisition:** (17.3 Hours total Integration Time)
* Samyang 135mm + 200D + 6D:
* 255 Lights -> 8 Hours
* Omegon 154/600 + 600Da (Orion Nebula):
* 200 Lights -> 6 Hours
* Meyer Görlitz 200mm + 600Da + Halpha Filter (Horsehead Nebula):
* 82 Lights -> 3.3 Hours
**Location:**
* Backyard (Bortle 4)
**Processing:**
* Pixinsight
* Batch Pre-Processing (Calibrate Only)
* Star Alignment
* Image Integration
* DynamicCrop
* DynamicBackgroundExtractor
* Background Neutralization
* Starnet++
* Starmask
* Pixelmath
* Darktable:
* Contrast Equalizer
* Lowpass
* Highpass
* RGB Curve
* Contrast Brightness Saturation
* Tone Curve
* Levels
* Color Contrast
* Velvia
* Color Zones
* GIMP:
* merging data from the 3 different focal lengths into one image (Halpha as Luminance)
visiting one of the galaxies in The Stellarium by Sebastean Steamweaver > maps.secondlife.com/secondlife/Mieville%20Doyle/212/74/3499
Engl.: Comet Jacobini-Zinner in the constellation of the Charioteer
#BogKY #21P/Giacobini-Zinner #Astrophotography
Tech.details-brief: Sony Alpha 7R2 / ILCE-7Rm2 (APS-C mode)(ISO12800), Celestron NexStar 4 SE(1325mm f/13), 10s*43frames (DSS with comet options:+darks,flats,offsets,darkflats)+20s*3frames; RAW stacking; Mount: Celestron NexStar 4SE in eq.mode
Alt ~ 38°
Az ~ 65°
Local date and time of session 04.09.2018 01:45 - 2:45 (UTC+6)
Photo taken from the balcony (Omsk city)
About the Comet, see additionally en.wikipedia.org/wiki/21P/Giacobini%e2%80%93Zinner
Landmark in the frame:
Star of Charioteer (HIP 24775, SAO 40219, HD 34300), 8.5m
* * *
This is the second version of processing the stack of 43 photos and calibration frames (the first version is available under the link www.flickr.com/photos/bogky/29536110817/in/dateposted-pub...).
About this version:
I'm just starting to learn DSS for comets, so the first processing was unsuccessful: DSS "ate" the comet and I took it from single frames separately, today I aignmented a comet on all 43 frames of the stack and learned how to use the necessary DSS options and also took as a basis another frame (another time and position of the comet) - the comet is getting better in color (accumulation of a signal on the stack?). I found this version better ;-)
Sorry, but detailed description is in Russian only
Rus.: Комета Джакобини-Циннера в созвездии Возничего
Это моё второе свидание с кометой. На этот раз встречал гостью на своём балконе.
Конечно, городское небо с его интенсивной засветкой не оставило шансов рассмотреть комету.
Поймал комету не визуально, а с помощью функции Precision goto монтировки с автонаведением.
Координат кометы монтировка, конечно, не знала, но я их взял по планетарию Stellarium на ожидаемое время:
04.09.2018 1:55
Прямое восхождение/Склонение (на дату): 5h18m5.53s/+44°12'34.4"
RA=05h18m05.5s
Часовой угол/Склонение: 18h22m3.73s/+44°13'28.2" (видимые)
Dec=+44°13'28.2"
Далее внёс координаты в монтировку и она вычислила, что ближайшим ярким ориентиром станет звезда Капелла.
Показала Капеллу, по этой яркой звезде я скорректировал прицел и фокус, а уж потом монтировка автоматически перенесла меня к неведимке-комете.
И хоть визуально комету отличить не удалось, зато на фото (начиная с выдержки 10s) она сразу бросилась в глаза, отличаясь от всех окружающих звёзд.
Увы, цвет её богатого пышного "платья" с огромным шлейфом различить не удалось даже на фото (если искусственно усилить, то он бирюзовый).
За городом в предыдущую встречу различить цвет было легче. А городское небо обесцвечивает неяркие объекты.
Яркость кометы по данным планетария составила уже 7.12m, но на городском небе она казалась темнее.
Например, расположенная в кадре звезда HIP 24775 (SAO 40219, HD 34300) имеет яркость лишь 8.5m, а выглядит ярче кометы - на фото оказалась самым ярким ориентиром.
О комете см. ru.wikipedia.org/wiki/21P/%d0%94%d0%b6%d0%b0%d0%ba%d0%be%...
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Это вторая версия проявки стека 43 фотографий и калибровочных кадров (1-я версия доступна по ссылке www.flickr.com/photos/bogky/29536110817/in/dateposted-pub...)
Об этой версии:
Я только начинаю изучать DSS для комет, поэтому первая обработка не увенчалась успехом: DSS "съел" комету, и я взял её из кадров стека отдельно, сегодня я обозначил комету на всех 43 кадрах стека и научился использовать необходимые параметры DSS, а также взял за основу другой кадр (другое время и положение кометы) - теперь комета выглядит лучше в цвете (накопление сигнала в стеке?). Я нашел эту версию лучше ;-)
Last Saturday, Brad McGinley and I ventured into Rocky Mountain National Park to shoot the Milky Way over Lake Irene. It was raining at home (Denver Metro) and we spent right up to the last minute deciding whether we should go or not. On the one hand the weather forecast for the area called for clear skies at 11:00 PM though sunrise. On the other, my satellite image of the clouds indicated that this storm stretched from eastern CO to western UT and I couldn’t see where the clouds were going to go. On the pro side, I hadn’t had an opportunity to get out and shoot for a while, and on the con we all know how accurate forecasts are in this neck of the woods.
We decided to go for it, as my lack of opportunities outweighed the rain in the driveway. My whole drive up was cloudy and as I met Brad in Frazier (nearly 2/3’s to our destination) it was still the case. I did see a couple of breaks in the clouds during sunset which I took as a good sign, but for the most part I was thinking that it was going to be a bust.
On entering RMNP, as we gained elevation we began to see patchy fog on the road. The same kind you get when the cool rain hits a hot road, only it wasn’t raining. I didn’t know what to make of this except that I considered any change a hopeful step in the right direction. Arriving at the parking lot we opened the car door to an extraordinary sight. The sky was perfectly clear! But more than that, I’ve never seen stars so bright in my life. I know this side of the park is the darker side and I’m guessing the rain cleaned the dust out of the sky, but whatever the reason the stars were as clear as I’d ever seen. The Milky Way was easily seen by eye across the entire sky.
The next thing became aware of was how mild the weather was. I couldn’t feel any breeze at all which if you’ve ever been to RMNP you know is a rare occurrence. Lake Irene is small lake surrounded by pines. We set up on the north side of the lake, shooting towards the south/southwest. Between Stellarium and The Photographers Ephemeris I estimated the Milky Way to be across the lake near midnight, give or take an hour. These tools proved to be perfectly accurate as this shot was taken just after midnight. As you can see the lake is completely calm, but there was a mist rising off the water the entire night. That proved to be a mixed blessing a bit later as it fogged up our equipment when we tried to capture it. On this night, there was no moon as it was traveling in sync with the sun, so we overcame the darkness with a couple lanterns and my flashlight.
Hat’s off to Mike Berenson who shared this awesome location with the masses. It’s a great spot!
This is M104 (Messier Object 104). Also known as NGC 4594 ( New General Catalog 4594). But, because the prominent dust lane and the central bulge give it the appearance of a hat, it is more commonly known as the Sombrero Galaxy.
It is about 31 million light years from our galaxy and about 49,000 light years in diameter.
It is visible with a good pair of bioculars, but as little more than a faint smudge really. A telescope would give you a better view ... but a set of aligned images, stacked and processed, will be better still.
This galaxy is sort of located between the constelllations Virgo (Latin for Virgin) and Corvus (Latin for Crow). If you have a planetarium program like Stellarium or Starry Night on your computer, you can easily check out where it is located and when it will rise into view for your location.
I've processed a set of stacked images using PixInsight and the Nik Collection plugin for Photoshop ... but it definitely needs further work. I just don't have the time right now to fool around with it anymore, so I decided to upload it as it is.
La nébuleuse d'Orion, également connue sous le matricule de M42 ou NGC 1976, est un nuage diffus qui brille en émission et en réflexion au cœur de la constellation du même nom.
Elle est située à 1344 A.l. de la terre, et mesure 24 A.l. de diamètre. Elle est accompagnée de M43 (NGC1982).
Instrument de prise de vue: Sky-watcher T250/1000 Newton F4
Caméra d'imagerie: ZWO ASI294 MC-Cool
Monture: Skywatcher AZ-EQ6 Pro Goto USB
Instrument de guidage: Diviseur optique OAG - ZWO
Caméra de guidage: ZWO ASI120 mini
Logiciels: Stellarium - ScharpCap - PHD2 Guiding - Siril - Darktable - FastStone Images Viewer
Filtres: Anti-pollution lumineuse TS CLS NEBULA (M48) - IR-Cut / IR-Block ZWO (M48)
Accessoire: GPU coma-correcteur Sky-watcher
Dates: 07 Février 2022- 19h52
Images unitaires: (60x30") + Darks - Flats - Gain 300
Intégration: 0 h.30'
Échantillonnage: 0.955 arcsec/pixel
Seeing: 1.79 "Arc
Phase de la Lune (moyenne): 40%
Nota: J'ai un problème de suivi avec PHD2, donc ce soir pas de photo mais j'essaye de changer les réglages, mon graphique de suivi est en dents de scie en déc. avec une amplitude de 3" et des pics de 6" donc étoiles allongées N/S, après bidouilles à tâtons c'est moins mal, mais pas super. Tiens, Orion sort des arbres, mais elle disparaitra dans 1 heure. Je tente le coup pour voir, après réglages sur SharCap il me reste une demie-heure de pose, puis Orion se cache derrière les sapins. Les nuits étoilées sont rares en ce moment dans l'Ile de France, donc dès quelles se présentent il faut se sortir les doigts du.. des gants.
The Pleiades also known as the Seven Sisters and Messier 45, is an open star cluster in the constellation Taurus.
This image is a mixture between a starless image and one with stars. I removed most tiny stars but kept the brigther ones, this allows you to see the faint nebulosity and also the colorful stars! I did this in Pixinsight by creating a starless version and then masking out all the small stars using a star mask. I then combined both images using Pixelmath.
I hope you like the Image!
**Equipment:**
* Camera: Canon EOS 6D
* Mount: Skywatcher EQ5 Pro
* Scope: Omegon Pro Astrograph 154/600
* Coma Corrector: Skywatcher Aplanatic Coma Corrector
* Guidescope: Orion 50mm Guidescope
* Autoguider: Orion StarShoot Autoguider
**Software (Aquisition):**
* Astrophotography Tool (APT)
* PHD2 Guiding
* EQMOD + ASCOM
* Stellarium
**Acquisition:** (5.6 Hours total Integration Time)
* Date: 15.09.2020 - 20.09.2020
* **Lights**: 84x240s ISO 1600
* **Flats**: 25x ISO 1600
* **Bias**: 100x ISO 1600
* **Darks**: 30x240s ISO 1600
**Location:**
* Backyard (Bortle 4)
**Processing:**
* Pixinsight
* Batch Pre-Processing (Calibrate Only)
* Star Alignment
* Image Integration
* DynamicCrop
* DynamicBackgroundExtractor
* Background Neutralization
* Starnet++
* Starmask
* Pixelmath
* Darktable:
* Contrast Equalizer
* Lowpass
* Highpass
* RGB Curve
* Contrast Brightness Saturation
* Tone Curve
* Levels
* Color Contrast
* Velvia
* Color Zones
langattock Quarry with Comet Neowise and the Noctilucent clouds.
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The only place in South Wales that I thought could look "spacey" together with comet Neowise.
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I had to shot it wide to make sure I capture the all landscape and the amazing sky... 😀
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I planned this shot for two days using @photopills and Stellarium. I visited the place in the day time to make sure it will work.
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I'm very happy to see that my plan work and It was amazing to see the comet but more amazingly, the display of the Nuctilucnt clouds.
[Version retraitée 3 - voir détails plus bas]
Alors que j'étais en train de tester la méthode DARV (Drift Alignment by Robert Vice), une méthode permettant de mettre en station une monture astronomique sans voir l'étoile polaire et sans autre matériel qu'un capteur (mon APN) et un une optique (mon objectif), et après avoir imagé pendant quelques heures la nébuleuse d'Orion, j'ai du changer de cible vers 2h du matin. J'ai vu (sur Stellarium) que la nébuleuse de la Rosette était encore visible pendant quelques dizaines de minutes. Je l'ai ciblée à 2h17 et elle se couchait derrière les sapins à 2h27. J'ai accumulé seulement 26 poses de 20 secondes (soit 8 min 40 seulement), donc j'ai très peu de signal. J'ai aussi fait sans suivi des étoiles (monture à l'arrêt) 4 poses de 30 seconde pour faire ressortir les sapins. J'ai traité les images avec suivi et les images en plan fixe (avec Siril, incluant un prétraitement avec 30/30/30 DOF), puis associé les deux avec Gimp. Un certain nombre de remarques m'ont été faites sur le fait que l'image était très sombre. C'était vrai et du principalement au fait que je souhaitais éviter en augmentant la luminosité par quelque façon que ce soit, de faire monter aussi le bruit très présent. J'ai trouvé une astuce de traitement qui a consisté à dupliquer la version starless et à utiliser un filtre gaussien sur celle-ci pour lisser le bruit. En combinant plusieurs calques (en pratique il y a plusieurs calques qui sont utilisés pour tirer le maximum du signal et le contraster en même temps), j'ai ainsi pu monter en luminosité en révélant un fond bien moins sombre et une rosette plus lumineuse. Après, dur de faire des miracles avec 8 minutes de pose !
Les photos ont été faites avec un Canon 1200 D dp réglé sur 800 iso, un objectif Samyang 135 mm f/1.4 @f/2.8, le suivi avec une monture Star Adventurer 2i.
Un petit mot sur la Nébuleuse de la Rosette que j'avais déjà photographié au Newton 150/750 (voir : www.flickr.com/photos/192650915@N08/shares/95V7Z7sDW3 ). La taille réelle de cette nébuleuse par réflexion qui se situe à 5310 années lumières de nous est de 130 années lumières. Elle occupe dans le ciel une taille apparente de 130'x110' (taille angulaire) soit environ 4 fois le diamètre apparent de la pleine lune en largeur et 3 fois en hauteur. Elle est en fait énorme dans le ciel et c'est d'ailleurs pour ça qu'elle apparaît effectivement énorme devant les sapins (qui ne sont pas bien loin de la maison, à 1 km exactement). Juste, on ne la voit pas parce qu'elle est trop peu lumineuse. On peut par contre voir par ciel clair les étoiles de l'amas ouvert NGC 2244 qui brille en son centre. C'est un amas de très jeunes étoiles (8 millions d'années) dont les radiations ultraviolettes intenses éclairent la nébuleuse, ionisent son gaz qui apparaît principalement rouge.
NB : l'ancienne version : www.flickr.com/photos/192650915@N08/shares/79LY5g6h65
---Photo details----
Stacks RGB: 18x2min
Darks : 100
Flats: 100
Exposure Time : 36min
Stack program : PixInsight
---Photo scope---
Camera : ZWO ASI2600MC PRO
CCD Temperature : -10C
Filter(s) used: Optolong L-Pro
Tube : Takahashi FSQ-106 EDX4
Field flattener / Reducer : -
Effective focal length : 530 mm
Effective aperture : F/5
---Guide scope---
Camera : ASI Mini guider
Guide exposure : 2 sec
---Mount and other stuff---
Mount : Skywatcher AZ-EQ-6 GT
---Processing details----
NINA for acquisition, controlling the following:
- ASTAP (plate solving)
- PHD2 (guiding)
- Stellarium
PixInsight : stacking, alignment, background extraction, histogram manipulation
Lightroom for final touchups
Topaz Denoise for a last processing step
Instrument de prise de vue: Sigma 120/300 Sport à 300mm F2.8
Caméra d'imagerie: ZWO ASI294MC Pro à -15°C
Monture: Skywatcher AZ-EQ6 Pro Goto USB
Instrument de guidage: sans
Caméra de guidage: sans
Logiciels: Stellarium - ScharpCap - Siril - FitsWork - Darktable - FastStone Images Viewer
Filtres: Anti-pollution lumineuse TS CLS NEBULA (M48) + IR-Cut / IR-Block ZWO (M48)
Accessoire: Chercheur Obj 28mm + ASI 120 mini
Dates: 31 Aout 2022- 05h04
Images unitaires: (360x30") + Darks/Flats - Gain 200
Intégration: 3 h.00'
Échantillonnage: 4.78 arcsec/pixel
Seeing: 1.01"Arc
Phase de la Lune (moyenne): 12%
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All Rights reserved.
Gornergrat
The Gornergrat (English: Gorner Ridge; 3,135 m) is a rocky ridge of the Pennine Alps, overlooking the Gorner Glacier south of Zermatt in Switzerland. It can be reached from Zermatt by the Gornergrat rack railway, the highest open-air railway in Europe. Between the Gornergrat railway station (3,090 m) and the summit is the Kulm Hotel (3,120 m) hosting the new Project "Stellarium Gornergrat" and until 2010 the Kölner Observatorium für SubMillimeter Astronomie KOSMA and before that (until 2005) the Gornergrat Infrared Telescope.
It is located about three kilometers east of Zermatt in the Swiss canton of Valais. The Gornergrat is located between the Gornergletscher and Findelgletscher and offers a view of more than 20 four-thousand metre peaks, whose highest are Monte Rosa, Lyskamm, Matterhorn, Dom and Weisshorn.
This is the last stop of the Gornergrat train, opened in 1898, which climbs almost 1500m through Riffelalp and Riffelberg. At the terminus (3,089 m above sea level) on the south-western tip of the ridge is a hotel. The station forms part of the Zermatt ski area. From 1958 to 2007 there was a cable car from Gornergrat over the Hohtälli to the Stockhorn which, until the construction of the Klein Matterhorn cable car, was the highest mountain station in Zermatt. At the west side of the Gorner ridge, nearby the Rotenboden trainstation is the Riffelhorn peak.
Source: Wikipedia]
Canon EOS 60D
Canon EF-S 10-22mm f/3.5-4.5 USM
Aperture: f/9
Exposure time: 1/500s
Focal length: 10mm
ISO Speed: 100
Processed with PS CC 2014
The three most noticable galaxies in this frame are NGC5985, NGC5982 and NGC5981. Just under this trio is NGC5976 at 16th Mag and there are also other fainter galaxies in this frame which are not listed on Stellarium.
10"f4 Newtonian, Modded Canon 1100D, CLS clip, NEQ6.
16x240s subs.
DSS and PS.
#CometLeonard Early on Sunday 5 Dec I was thrilled to shoot my 2nd #comet (after Neowise in 2020) – this time from my local Shanganagh Park, Shankill, Co. Dublin from 2.50 to 6.30am. With suburban light pollution - Bortle Scale 4 or 5 – I could only barely see it with binoculars. During my shoot, Leonard travelled c. 925,000km at 70km/sec, about 2.5 times distance to the Moon!
These multiple exposures were taken with a Canon 85mm f1.8 also on a Canon 80D for 3.2s, f1.8 & ISO3200. Processed in Lightroom to reduce noise, enhance the comet’s green colour and eliminate reds & oranges from light pollution.
This was just a quick 2 hours of data that I grabbed on a whim, as my actual target was too close to the moon to gather any useful data.
Quite happy with this process, even though, again, this was just a quick effort I smashed together at 1 AM when frankly I really should have been in bed ready for work at 7 AM.
This is my first attempt at an HDR image, so be kind.
10-sec subs for the core and 180-sec for the DSO.
All comments welcome.
Thanks
Acquisition Equipment
Camera - CANON EOS 60D (Mod)
Filter - Astronomik CLS-CCD EOS Clip
Telescope - SkyWatcher 80ED
Reducer/Flattener - 0.85x
Focal Length - 510mm
F Ratio - F6.3
Mount - Celestron CG-5 Adv GT GEM
Guide Scope - Celestron 9x50
Guide Camera - QHY 5 Mono
Image Capture
L 10 sec x 90 = 15min
D 50
F 30
FD 30
B 50
180 sec x 41 = 123mins
D 40
F 30
FD 30
B 50
Total = 138mins
Acquisition Software
Capture/Sequence - N.I.N.A.
Plate Solving - ASTAP
Guiding - PHD2
Planetarium - Stellarium
Processing Software
Stacking - DeepSkyStacker
Post - Adobe Photoshop / Bridge / Camera Raw
Links
Schweiz / Wallis - Gornergrat
Gornergrat Railway Station
Bahnhof der Gornergratbahn
The Gornergrat (English: Gorner Ridge; 3,135 m (10,285 ft)) is a rocky ridge of the Pennine Alps, overlooking the Gorner Glacier south-east of Zermatt in Switzerland. It can be reached from Zermatt by the Gornergrat rack railway (GGB), the highest open-air railway in Europe. Between the Gornergrat railway station (3,090 m (10,140 ft)) and the summit is the Kulm Hotel (3,120 m (10,240 ft)). In the late 1960s two astronomical observatories were installed in the two towers of the Kulmhotel Gornergrat. The project “Stellarium Gornergrat” is hosted in the Gornergrat South Observatory.
Overview
It is located about three kilometers east of Zermatt in the Swiss canton of Valais. The Gornergrat is located between the Gornergletscher and Findelgletscher and offers a view of more than 20 four-thousand metre peaks, whose highest are Dufourspitze (in the large Monte Rosa massif), Liskamm, Matterhorn, Dom and Weisshorn.
This is the last stop of the Gornergrat train, opened in 1898, which climbs almost 1,500 m (4,900 ft) through Riffelalp and Riffelberg. At the terminus on the south-western tip of the ridge is a hotel. The station forms part of the Zermatt ski area. From 1958 to 2007 there was a cable car from Gornergrat over the Hohtälli (3,275 m (10,745 ft)) to the Stockhorn (3,405 m (11,171 ft)) which, until the construction of the Klein Matterhorn cable car, was the highest mountain station in Zermatt. At the west side of the Gorner Ridge, nearby the Rotenboden railway station is the peak Riffelhorn (2,928 m (9,606 ft)).
Observatory
The observatory at the summit of Gornergrat was built on top of the Kulmhotel Gornergrat in the late 1960' and is most notably equipped with a 600 mm telescope built by Officina Stellare.
(Wikipedia)
Der Gornergrat ist ein Berggrat auf einer Höhe von 3135 m ü. M. Er befindet sich rund drei Kilometer östlich von Zermatt im Schweizer Kanton Wallis. Der Gornergrat befindet sich zwischen dem Gornergletscher und dem Findelgletscher und bietet eine Sicht auf mehr als 20 Viertausender, darunter den Monte Rosa, das Matterhorn und den Liskamm.
Die Gornergratbahn führt von Zermatt (1620 m ü. M.) über Riffelalp (2222 m ü. M.) und Riffelberg (2600 m ü. M.) auf den Gornergrat und überwindet dabei eine Höhendifferenz von fast 1500 Metern. An der Endstation (3089 m ü. M.) auf der südwestlichen Spitze des Grates befindet sich das Kulmhotel, welches das höchstgelegene Berghotel der Schweiz ist. Mit einer neuen Gondelbahn, die von Furi aus zum Riffelberg führt, ist das Skigebiet Gornergrat mit dem Skigebiet Klein Matterhorn verbunden. Vom Gornergrat war von 1958 bis 2007 das Zermatter Stockhorn mit einer Pendelbahn erreichbar, die über das Hohtälli führte.
Geschichte
Der Tourismus begann sich bereits in den 1870er-Jahren zu entwickeln. Schon 1896 wurde das frühere Hotel Belvédère eröffnet. Die Gornergratbahn wurde 1898 eröffnet und ist die erste voll elektrifizierte Zahnradbahn der Schweiz. Dadurch stieg der Touristenstrom rasant an. Zermatt erkannte die Bedeutung des Gornergrats als Touristenort sehr schnell. Deshalb erbauten sie von 1897 bis 1907 das Kulmhotel welches noch heute dort steht.
1904 fertigte Bruno Wehrli und seine Brüder für die Louisiana Purchase Exposition die damals grösste Landschaftsfotografie der Welt an. Diese zeigte ein Panorama des Gornergrats und hatte eine Länge von 20,50 Metern und war 2,25 Meter hoch. Die Aufnahmen wurden auf Platten von 18 cm X 24 cm belichtet und auf Bromsilberpapier kopiert. Die Platten und das Bromsilberpapier wurden von der Firma «J. H. Smith & Co.» aus Zürich hergestellt.
Wegen verschiedener Gefahren war anfänglich nur der Sommerbetrieb der Gornergratbahn möglich. 1928 fuhr die Bahn erstmals auch im Winter bis zur Riffelalp, dies ermöglichte die erste Wintersportsaison in Zermatt. Nach und nach wurde die ganze Strecke wintersicher gemacht, so dass 1942 erstmals auch im Winter bis zur Endstation auf dem Gornergrat gefahren werden konnte. Bereits acht Jahre später war die Betriebsfrequenz im Winter höher als im Sommer. Durch die ständig wachsende Anzahl Besucher, wurde auch die Bahn immer weiter ausgebaut. Heute beträgt die Fahrzeit auf den Gornergrat nur noch 33 Minuten.
Forschungsstation
Auf den beiden Türmen des Berghotels wurden in den späten 1960er Jahren zwei astronomische Observatorien der HFSJG (Hochalpine Forschungsstationen Jungfraujoch und Gornergrat) errichtet. Das Observatorium Gornergrat Nord beherbergte bis 2005 ein 1,5-Meter-Infrarotteleskop (TIRGO), das Observatorium Gornergrat Süd bis Mitte 2010 ein 3-Meter-Radioteleskop (KOSMA). Heute steht das Observatorium Gornergrat Süd Schülern, Studenten, Besuchern des Gornergrats sowie der Öffentlichkeit durch das Projekt ‚Stellarium Gornergrat‘ zur Verfügung. Das Observatorium wurde so konstruiert, dass Beobachtungen vor Ort oder über das Internet aus der Ferne gesteuert werden können. Die Station ermöglicht astronomische Beobachtungen sowie pädagogische Programme. Die Universität Bern betrieb von 1998 bis 2017 in Zusammenarbeit mit dem Solar Terrestrial Environment Laboratory der Nagoya University einen Laborcontainer zur Messung solarer Neutronen, der den europäischen Eckpunkt eines weltweiten Netzwerks solcher Messstationen darstellte.
(Wikipedia)
How can it be a successful trip without a couple of best star trails pics. Startrail is now one of the things I would always try on a trip. Its a tricky type of photography, since you can only click about 2 or 3 long enough star trails in a single night, thus the composition has to be well thought and pre planned, rest have to leave it on the camera, and having a moonless night is an advantage here :), The only problem being was that in Mt Cook, the nights are very small, Sunlight starts to completely fade away by 10:30pm and by 4:30am you can see the morning hues by the horizon, that would give me a night window of only 6hrs (this shot was already 3hr:30mins of that), I was hoping for 3 long star trails (I got 2 long and 2 short startrails), but I am satisfied with what I got. I enjoyed one of the calmest sunrise in my life.
The shot above consists of 210 exposures of 30secs each @ f4 ISO800 10mm giving me 3hrs:30mins of star trail. The main difference in this pic is that the Polaris captured int his shot is the South Polaris, rather then the North one that is usually captured from India
Mt Cook being far far away from the city lights has one of the darkest sky i have ever seen in my life, giving me 10 times more stars to witness then the darkest sky i have seen in India or South Africa, Once your eyes gets adjusted to the darkness of the sky, you can see the Milky Way and a few star clusters and 3 Super novas named SN 1604 (20,000 light years away) and SN 1987A (168,000 light years), 3rd one I couldnt recognize, all this was according to Stellarium on the iphone ;) and with just naked eyes, I wish I had a telescope
The Red light beam you see in the shot was from the night vision torch I used to for keeping an eye on the camera just in case nothing goes wrong and the camera is keeping on clicking, But i wasnt aware it was included in the frame, I kind of like it this way, it gives the shot a Sci-fi feel