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Sh2-276 Bucle de Barnard. Es una nebulosa de emisión, parte del Complejo Molecular de la Nube de Orión (OMCC), que también contiene la nebulosa Cabeza de Caballo y la nebulosa de Orión. El lazo toma la forma de un gran arco aproximadamente centrado en la nebulosa de Orión M42. Las estrellas en la nebulosa de Orión se cree que son responsables de la ionización del bucle.
El bucle se extiende aparentemente unos 10º, cubriendo gran parte de Orión. Es visible en fotografías de larga exposición.
Se encuentra a unos 1.400 años luz con unos dimensiones de más de 100 años luz de diámetro. Se cree que se originó en una explosión de supernova hace unos 2 millones de años, que tal vez creó varias estrellas fugitivas conocidas, incluyendo AE Aurigae, Mu Columbae y 53 Arietis,2 que se estima han sido parte de un sistema estelar múltiple en el que una de ellas explotó como supernova.
Aunque esta nebulosa débil fue observada por los astrónomos anteriores, lleva el nombre del pionero astrofotógrafo E.E. Barnard quien la fotografió y publicó una descripción en 1894.
B33 Nebulosa Cabeza de Caballo. Es una nube de gas fría y oscura, situada a unos 1.500 años luz de la Tierra, al sur del extremo izquierdo del cinturón de Orión. Forma parte del Complejo de Nubes Moleculares de Orión, y mide aproximadamente 3,5 años luz de ancho. Esta nebulosa oscura es visible por contraste, ya que aparece por delante de la nebulosa de emisión IC 434.
NGC 2024 Nebulosa de la Flama. Es una nebulosa de emisión que aparenta estar en llamas situada a unos 1.350 años-luz. Se encuentra cerca de la estrella más oriental del cinturón de Orión, Alnitak.
M78 NGC 2068. Es una nebulosa de reflexión en la constelación Orión. Fue descubierta por Pierre Méchain en 1780 e incluida por Charles Messier en su catálogo de objetos ese mismo año.
M78 es la nebulosa de reflexión difusa más brillante de un grupo de nebulosas que incluyen NGC 2064, NGC 2067 y NGC 2071. Este grupo pertenece al Complejo de Nubes Moleculares de Orión y está a unos 1.600 años luz. M78 se encuentra en los pequeños telescopios como un parche nebuloso e implica dos estrellas de la décima magnitud. Estas dos estrellas, HD 38563A y HD 38563B, son responsables de hacer visible la nube de polvo en M78 reflejando su luz. Se conocen en M78 alrededor de 45 estrellas variables del tipo T Tauri, jóvenes estrellas todavía en proceso de formación, así como unos 17 objetos Herbig-Haro.
vdB 62/63. Son nebulosas de reflexión en la constelación de Orión, situadas en la parte centro-oriental de la constelación, en el extremo noreste del Bucle de Barnard. Constituyen una pequeña porción iluminada de una gran nebulosa oscura catalogado como LDN 1622, extremadamente compacto y denso; dentro de esta nube fenómenos tienen lugar intensa formación estelar, como lo demuestra la presencia de numerosas estrellas jóvenes.
Alnitak ( ζ Orionis) es un sistema estelar triple que forma parte del llamado cinturón de Orión junto a Mintaka (δ Orionis) y Alnilam (ε Orionis), conocidas como «las tres Marías». Su nombre proviene del árabe y significa «el cinturón».
La estrella principal del sistema, Alnitak A, es a su vez una estrella binaria. La componente principal, Alnitak Aa, es una supergigante azul de tipo espectral O9.5Ib y magnitud aparente +1,89, la más brillante en el cielo de este tipo espectral. Alnitak Ab, 2 magnitudes más tenue, es igualmente una estrella de tipo O, aunque de secuencia principal.
Alnitak Aa es una estrella muy caliente con una temperatura efectiva de unos 30.000K, 10.000 veces más luminosa que el Sol en el espectro visible, aunque si se considera la importante cantidad de radiación ultravioleta que emite, su luminosidad es 100.000 mayor que la solar. Su masa se estima en 20 masas solares. Alnitak es una fuente de rayos X provenientes del fuerte viento estelar. Se encuentra a unos 700 años luz.
Alnilam (ε Orionis) es la cuarta estrella más brillante en la constelación de Orión. Forma parte del llamado Cinturón de Orión (o «Las Tres Marías») junto a Mintaka (δ Orionis) y Alnitak (ζ Orionis), siendo la más brillante de las tres, pese a que es la más lejana (1.340 años luz). Su nombre proviene del árabe y significa «collar de perlas».
Alnilam es una supergigante blanco-azulada de tipo espectral B0Iab, muy masiva (unas 40 masas solares), y extraordinariamente luminosa: incluyendo la gran cantidad de radiación ultravioleta emitida por la estrella, su luminosidad equivale a 375.000 veces la luminosidad solar. Un fuerte viento estelar que sopla desde su superficie a 2.000 km/s hace que pierda masa a un ritmo 20 millones de veces mayor que el Sol.
Mintaka (δ Ori Orionis) es la estrella más al norte del Cinturón de Orión y que junto a Alnitak (ζ Orionis) y Alnilam (ε Orionis) forma el grupo conocido como “Las tres Marías”. Su nombre deriva de la palabra en árabe "cinturón".
Mintaka es una estrella múltiple compleja; a un minuto de arco de la estrella principal se puede observar otra estrella de magnitud aparente +6,8. A la distancia de 915 años luz a la que se encuentra Mintaka, la separación real entre ambas es de al menos 0,25 años luz. Entre estas dos componentes existe una tenue estrella de magnitud 14. La estrella de magnitud 6,8 es además una binaria espectroscópica.
M42 Nebulosa de orión. También conocida como NGC 1976, es una nebulosa difusa situada al sur del cinturón de Orión. Es una de las nebulosas más brillantes que existen, y puede ser observada a simple vista sobre el cielo nocturno. Está situada a unos 1.270 años-luz y posee un diámetro de unos 24 años luz. Algunos documentos se refieren a ella como la Gran Nebulosa de Orión, y los textos más antiguos la denominan Ensis, palabra latina que significa "espada", nombre que también recibe la estrella Eta Orionis, que desde la Tierra se observa muy próxima a la nebulosa.
Saiph (κ Orionis). Es la sexta estrella más brillante de la constelación de Orión con magnitud aparente +2,06. Su nombre proviene del árabe y significa «espada del gigante». Se encuentra a unos 720 años luz.
Con una temperatura superficial de 26.000 K, Saiph es una supergigante blanco-azulada de tipo espectral B0.5Ia, cuya luminosidad —incluida una gran parte de su radiación emitida en el ultravioleta— es 65.000 veces mayor que la del Sol. Su diámetro angular ha sido medido y ha permitido obtener directamente el valor de su radio, 11 veces mayor que el radio solar.
Sh2-276 Barnard’s Loop. It is an emission nebula, part of Orion Cloud Molecular Complex (OMCC), which also contains the Horsehead Nebula and Orion Nebula. The loop takes the form of a large arc approximately centered in the Orion M42 nebula. The stars in Orion nebula are believed to be responsible for the ionization of the loop.
The loop apparently extends about 10°, covering much of Orion constellation. It is visible in long exposure photographs.
It is about 1,400 light years old with dimensions of more than 100 light-years in diameter. It is believed to have originated in a supernova explosion about 2 million years ago, which may have created several known fugitive stars, including AE Aurigae, Mu Columbae and 53 Arietis, 2 which are estimated to have been part of a multiple star system in which one of them exploded as a supernova.
Although this faint nebula was observed by previous astronomers, it bears the name of the pioneering astrophotographer E.E. Barnard who photographed it and published a description in 1894.
B33 Horse Head Nebula. It is a cloud of cold and dark gas, located about 1,500 light-years from Earth, south of the far left of the Orion belt. It is part of the Orion Molecular Cloud Complex, and is approximately 3.5 light-years wide. This dark nebula is visible by contrast as it appears in front of the emission nebula IC 434.
NGC 2024 Flame Nebula. It is a nebula of emission that appears to be in flames located about 1,350 light-years. It is located near the easternmost star of Orion belt, Alnitak.
M78 NGC 2068. It is a reflection nebula in the Orion constellation. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of objects that same year.
M78 is the brightest fuzzy reflection nebula in a group of nebulae including NGC 2064, NGC 2067 and NGC 2071. This group belongs to the Orion Molecular Cloud Complex and is about 1,600 light-years away. M78 is found in small telescopes as a nebulous patch and involves two stars of the tenth magnitude. These two stars, HD 38563A and HD 38563B, are responsible for making visible the cloud of dust in M78 reflecting its light. About 45 variable stars of type T Tauri are known in M78, young stars still in the process of formation, as well as about 17 Herbig-Haro objects.
VdB 62/63. They are reflection nebulae in Orion constellation, located in central-eastern part of the constellation, at the northeastern end of the Barnard’s Loop. They constitute a small illuminated portion of a great dark nebula cataloged as LDN 1622, extremely compact and dense. Within this cloud take place intense star formation, as evidenced by the presence of numerous young stars.
Alnitak (ζ Orionis) is a triple star system that forms part of the so-called Orion belt along with Mintaka (δ Orionis) and Alnilam (ε Orionis), known as "the three Marys." Its name comes from Arabic and means "the belt".
The main star of the system, Alnitak A, is itself a binary star. The main component, Alnitak Aa, is a blue supergiant of spectral type O9.5Ib and apparent magnitude +1.89, the brightest in the sky of this spectral type. Alnitak Ab, 2 dimmer magnitudes, is equally an O-type star, although of main sequence.
Alnitak Aa is a very hot star with an effective temperature of about 30.000K, 10,000 times more luminous than the Sun in visible spectrum, although considering the important amount of ultraviolet radiation that emits, its luminosity is 100,000 greater than the solar one. Its mass is estimated at 20 solar masses. Alnitak is a source of X-rays from the strong stellar wind. It is about 700 light-years away.
Alnilam (ε Orionis) is the fourth brightest star in Orion constellation. It is part of the so-called Orion Belt (or "The Three Marias") along with Mintaka (δ Orionis) and Alnitak (ζ Orionis), being the brightest of the three, although it is the farthest (1,340 light-years). Its name comes from Arabic and means "pearl necklace".
Alnilam is a white-blue supergiant of spectral type B0Iab, very massive (about 40 solar masses), and extremely luminous: including the great amount of ultraviolet radiation emitted by the star, its luminosity is equivalent to 375,000 times the solar luminosity. A strong stellar wind blowing from its surface at 2,000 km/s causes it to lose mass at a rate 20 million times greater than the Sun.
Mintaka (δ Ori Orionis) is the northernmost star of Orion Belt and together with Alnitak (ζ Orionis) and Alnilam (ε Orionis) form the group known as "The Three Marias". Its name derives from the Arabic word, belt.
Mintaka is a complex multiple star; To one minute of arc of the main star can be observed another star of magnitude apparent +6,8. At the distance of 915 light years to Mintaka, the actual separation between the two is at least 0.25 light years. Between these two components there is a tenuous star of magnitude 14. The star of magnitude 6.8 is also a spectroscopic binary.
M42 Orion Nebula. Also known as NGC 1976, it is a diffuse nebula located south of Orion belt. It is one of the brightest nebulae that exist, and can be observed with the naked eye over the night sky. It is located about 1,270 light-years and has a diameter of about 24 light-years. Some documents refer to it as the Great Orion Nebula, and the earliest texts call it Ensis, a Latin word for "sword", a name that also receives the star Eta Orionis, which from Earth is very close to the nebula .
Saiph (κ Orionis). It is the sixth brightest star of Orion constellation with apparent magnitude +2.06. Its name comes from the Arabic and means "sword of the giant". It is about 720 light-years away.
With a surface temperature of 26,000 K, Saiph is a white-blue supergiant of spectral type B0.5Ia, whose luminosity - including a large part of its radiation emitted in the ultraviolet - is 65,000 times greater than the Sun. Its angular diameter has been measured and has made it possible to directly obtain the value of its radius, 11 times greater than the solar one.
I think this photo speaks for itself! :)
This is my 8 month old granddaughter and my mother's bishon. They love to be together, but we'd prefer that they be separated. :)
Taken on my parents' houseboat at Center Hill Lake, Tennessee.
This kid is separating crumbs of charcoal from the metal nails within them. This kid hope to bring some income into his family. Every trip i am there, he is always doing the same thing. 1 kg of metal can fetch around 8 peso. In this community, every cent is earn through sweat and blood.
I think i have ran out of things to say. Perhaps the photo can tell more than i can say. I've attach the B/w version as well. Enjoy.
No tengo intención de hacer este tipo de retoques en mis imágenes. Puedo borrar algunas imperfecciones de forma muy puntual, pero prefiero dejar siempre la piel lo más intacta posible, al natural. Esto es simplemente un ejercicio para practicar y ver hasta dónde puedo llegar. Esta es la primera vez que llevo a cabo la separación de frecuencias (frequency separation) y el dodge & burn.
The elegance and poignancy of this scene took me awhile to fully appreciate, but in working with these images has become a powerful memory.
I could write a book on the possible interpretations of this image... instead I will leave you to your own thoughts. Maybe you want to share them.
3/30: Separation
Day three of my 30 day trial Photo a day Project! This week focuses on Macro photography of different types. Bubbles in colored water and lit with different color LED Lights
Documenting a few tricks for separating bricks. Most people don't know to buy brick separators in pairs, for instance. And the other two do the same thing in a pinch.
Jerry Raskin's Comments on the MC3 Turbo:
“The Ortofon MC 3 Turbo high output moving coil phono cartridge is a very satisfying performer. Its tight bass is detailed and thrilling. I found myself completely involved in the music. This cartridge has been a favorite of the Ortofon high output series for its neutrality and silky smooth performance.”
TECHNICAL DATA
Ortofon MC-3 TURBO
Output voltage at 1000 Hz,5cm/sec.
3,3 mV
Channel balance at 1 kHz
24 dB
Channel separation at 15 kHz
>15 dB
Frequency range at - 3dB
20-30.000 Hz
Frequency response
20-20.000 Hz 4 / - 1 dB
FIM distortion at recommended
tracking force, DIN 45.542
70 µm
Compliance, dynamic, lateral
13 µm/mN
Stylus type
Nude Fine Line
Stylus tip radius
r/R 8/40 µm
Equivalent stylus tip mass
0,75 mg
Tracking force range
1,8-2,2 g (18-22 mN)
Tracking force, recommended
2 g (20 mN)
Tracking angle
20°
Internal impedance, DC resistance
100 Ohm
Recommended load impedance
47 kOhm / < 500 pF
Cartridge body material
Noryl
Cartridge colour
Black
Cartridge weight
4,1 g
This is the grandma and mummy chicks flying away and leaving the baby chick ALL ALONE. Using play to work through separation anxieties, perhaps?
there is no separation between Igor's paws...
The relationship of this estranged couple is as much a mystery as the plot...and all we have to go on is the wife's viewpoint....intriguing
Info
Taken By Nikon D90
Lens: Nikor 85.0 mm f/1.8 (at 85)
Shutter Speed: 1/200 sec
Aperture: f/9
ISO: 200
Lighting
SB-900 mounted on camera
Processing: Photoshop CS3
Cropping
Levels
Frames
Signature
The launch area (from the prior photo) is just below the area you see here.
(Circular “bike helmet” mirror on right captures the view down the shaft of the rocket and reflects it into the video camera inside the rocket. Wireless signal beams to a ground base station which outputs the video feed to a mobile MPEG encoder. This is from a LUNAR Rocketry event, with Erik’s rocket and novel video capture design)
Conjoined at birth, separated after hardening somewhat.
You can make your leftover peeps into a Peepmobile. Read more here.
A subject I have used before. Hard to separate it from the background on a given day but rough water made it easier for this one. I would think at one time this was a sea stack.
Checkpoint Charlie (or "Checkpoint C") was the name given by the Western Allies to the best-known Berlin Wall crossing point between East Berlin and West Berlin during the Cold War.
The Soviet Union prompted the construction of the Berlin Wall in 1961 to stop Eastern Bloc emigration westward through the Soviet border system, preventing escape across the city sector border from East Berlin to West Berlin. Checkpoint Charlie became a symbol of the Cold War, representing the separation of east and west. Soviet and American tanks briefly faced each other at the location during the Berlin Crisis of 1961.
After the dissolution of the Eastern Bloc and the reunification of Germany, the building at Checkpoint Charlie became a tourist attraction. It is now located in the Allied Museum in the Dahlem neighbourhood of Berlin.
Checkpoint Charlie was a crossing point in the Berlin Wall located at the junction of Friedrichstraße with Zimmerstraße and Mauerstraße, (which for older historical reasons coincidentally means 'Wall Street'). It is in the Friedrichstadt neighbourhood. Checkpoint Charlie was designated as the single crossing point (by foot or by car) for foreigners and members of the Allied forces. (Members of the Allied forces were not allowed to use the other sector crossing point designated for use by foreigners, the Friedrichstraße railway station).
The name Charlie came from the letter C in the NATO phonetic alphabet; similarly for other Allied checkpoints on the Autobahn from the West: Checkpoint Alpha at Helmstedt and its counterpart Checkpoint Bravo at Dreilinden, Wannsee in the south-west corner of Berlin. The Soviets simply called it the Friedrichstraße Crossing Point (КПП Фридрихштрассе). The East Germans referred officially to Checkpoint Charlie as the Grenzübergangsstelle ("Border Crossing Point") Friedrich-/Zimmerstraße.
Admission stamp applied to a passport at the East German (DDR) Friedrich/ Zimmerstraße crossing at Checkpoint Charlie. (1964)
As the most visible Berlin Wall checkpoint, Checkpoint Charlie is frequently featured in spy movies and books. A famous cafe and viewing place for Allied officials, Armed Forces and visitors alike, Cafe Adler ("Eagle Café"), is situated right on the checkpoint. It was an excellent viewing point to look into East Berlin, while having something to eat and drink.
The checkpoint was curiously asymmetrical. During its 28-year active life, the infrastructure on the Eastern side was expanded to include not only the wall, watchtower and zig-zag barriers, but a multi-lane shed where cars and their occupants were checked. However the Allied authority never erected any permanent buildings, and made do with the well-known wooden shed, which was replaced during the 1980s by a larger metal structure, now displayed at the Allied Museum in western Berlin. Their reason was that they did not consider the inner Berlin sector boundary an international border and did not treat it as such
Although the wall was opened in November 1989 and the checkpoint booth removed on June 22, 1990, the checkpoint remained an official crossing for foreigners and diplomats until German reunification during October 1990 when the guard house was removed; it is now on display in the open-air museum of the Allied Museum in Berlin-Zehlendorf. The course of the former wall and border is now marked in the street with a line of cobblestones. A copy of the guard house and sign that once marked the border crossing was later built where Checkpoint Charlie once was. It resembles the first guard house erected during 1961, behind a sandbag barrier towards the border. Over the years it was replaced several times by guard houses of different sizes and layouts . The one removed during 1990 was considerably larger than the first one and did not have sandbags.
Near the location of the guard house is the Haus am Checkpoint Charlie, a private museum opened in 1963 by Rainer Hildebrandt, which was augmented with a new building during the 1990s. The two Soldiers (one American and one Russian) represented at the Checkpoint Memorial were both stationed in Berlin during the early 1990s.
Developers demolished the East German checkpoint watchtower in 2000. The watchtower, which was the last surviving original Checkpoint Charlie structure, was demolished to make way for offices and shops. The city tried to save the tower but failed, as it was not classified as a historic landmark. As of August 2011, nothing has been built at this site and the original proposals for development have been terminated.
Checkpoint Charlie has become one of Berlin's primary tourist attractions. An open-air exhibit was opened during the summer of 2006. Gallery walls along the Friedrichstraße and the Zimmerstraße inform on escape attempts, how the checkpoint was expanded, and its significance during the Cold War, in particular the confrontation of Soviet and American tanks in 1961. An overview of other important memorial sites and museums on the division of Germany and the wall is presented as well. Tourists can have their photographs taken for a fee with actors dressed as allied military policemen standing in front of the guard house. Several souvenir stands with fake military items and stores proliferate as well.