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Trevor Dobson / 19,703 items

N 243 B 7.8K C 29 E Feb 26, 2024 F Feb 27, 2024
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It is not often that I process data not captured by myself. Recently, though, I have been sitting under solid cloud cover away from home and without access to my data server. Out of curiosity, I tried my hand on publicly available data from James Webb Space Telescope. For this image, I used data of a group of galaxies, called Stephan’s Quintet, located in the constellation Pegasus and named after the French astronomer Édouard Stephan who discovered it in 1877.

Although called a “quintet,” only four of the galaxies are truly close together and caught up in a cosmic dance. The fifth and leftmost galaxy, called NGC 7320, is well in the foreground compared with the other four. NGC 7320 resides 40 million light-years from Earth, while the other four galaxies (NGC 7317, NGC 7318A, NGC 7318B, and NGC 7319) are about 290 million light-years away.

As a bonus, the JWST image reveales a vast sea of thousands of distant background galaxies.

Of course, I am not the first to process this data set. Space Telescope Science Institute (STScI) has published an very similar image, based on the same data, with its first batch of images in July 2022. I still found it interesting to see what I can come up with, compared to the STScI image.

Data courtesy to Space Telescope Science Institute (STScI)

Tags:   JWST James Webb Space Telescope Space Astrophotography Astronomy

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Tags:   Hornafjörður Austurland Islandia Oriental IS canon 16-35 Canon EF 16-35mm f/2.8L II USM Canon canonistas 6D 6D EOS EOS 6D Canon 6D Canon EOS 6D Iceland WorldPhotoXperience aire libre cielo agua paisaje serenidad borealis aurora boreal verde verd green panoramica Panoramic lanscape lightroom noche nit night aurora 16-35 Northern Lights Stokksness sea beach playa platja

N 225 B 7.2K C 14 E Feb 27, 2024 F Feb 25, 2024
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1100mm/F7.3 telescope
Pentax 645z (astro-modified): 4-frame mosaic
Apogee F16M cooled CCD: 6-frame mosaic
total exposure time = 41.3 hr

see www.astrobin.com/9cj5z9/C/ for more technical details.

N 6 B 31 C 0 E Feb 25, 2024 F Feb 25, 2024
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Island Point

N 362 B 9.3K C 24 E Feb 25, 2024 F Feb 25, 2024
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Japan 2020

www.sandrobisaro.com - Store - Instagram -

Tags:   TOKYO tokio sandro bisaro Japan japanese japon giappone station train station jr train Shinkansen bullet train trains CANON Canon 5D Mark IV Building skyline cityscape City night photography tokyo station elevated view low light Nihon nightscape 日本 夜 東京 東京駅


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