| "The sky is the ultimate art gallery just above us." - Ralph Waldo Emerson (1803 - 82) |
Astrophotography by Jason Jennings |
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| Galaxies :: M77 | |
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| Resolutions Available: 800x600 : 1600x1200 : 2400x1800 | |
| Object | M77 |
| Comment |
Messier 77 (M77), also known as Cetus A, is a barred spiral galaxy located in the constellation Cetus, the Whale. It lies at a distance of 47 million light years and has an apparent magnitude of 9.6. M77 is one of the largest galaxies included in the Messier catalogue. It occupies an area of 7.1 by 6 arc minutes of apparent sky, which corresponds to a linear diameter of 170,000 light years. Text adapted from messier-objects.com An annotated version of the image can be viewed here Image is a LRGB composite |
| Optics | Modified ASA N16 Astrograph F/3.5 (1420mm FL) |
| Camera | Apogee Aspen CG16070 - 1x1 bin (image scale: 1.07 arcsec/pix) |
| Mount | Software Bisque Paramount ME |
| Exposure | Total exposure time: 8 hours |
| Date | December 2015 |