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Contains:  Sombrero galaxy, M 104, NGC 4594
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M104 Sombrero Galaxy

Technical card

Resolution: 2152x1656

Dates:May 30, 2019

Frames:
Astrodon Gen 2 L 36mm: 59x100" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 48x100" (gain: 99.00) -20C bin 1x1

Integration: 3.0 hours

Avg. Moon age: 25.61 days

Avg. Moon phase: 16.39%

Bortle Dark-Sky Scale: 4.00

Temperature: 10.00

Astrometry.net job: 2753013

RA center: 189.997 degrees

DEC center: -11.632 degrees

Pixel scale: 0.701 arcsec/pixel

Orientation: 357.655 degrees

Field radius: 0.264 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Images from the following two scopes (piggybacked) contributed to this image:
AG12+ASI1600MM at .70 asec/pix
TV127is+ASI183MM at .75 asec/pix.
They were all registered to the best R image taken on the AG12.
Using L from the TV NP127is refractor effectively eliminates the spikes from the AG12.

The Sombrero Galaxy (also known as Messier Object 104, M104 or NGC 4594) is a lenticular galaxy in the constellation Virgo found 31,100,000 ly from Earth. The galaxy has a diameter of approximately 50,000 light-years, 30% the size of the Milky Way. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its inclined disk. The dark dust lane and the bulge give this galaxy the appearance of a sombrero hat. Astronomers initially thought that the halo was small and light, indicative of a spiral galaxy, but the Spitzer Space Telescope found that the dust ring around the Sombrero Galaxy is larger and more massive than previously thought, indicative of a giant elliptical galaxy. The galaxy has an apparent magnitude of +8.0, making it easily visible with amateur telescopes, and it is considered by some authors to be the galaxy with the highest absolute magnitude within a radius of 10 megaparsecs of the Milky Way. Its large bulge, its central supermassive black hole, and its dust lane all attract the attention of professional astronomers.
(Wikipedia)

Comments

Author

jmacon
Jerry Macon
License: Attribution Creative Commons
6477
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M104 Sombrero Galaxy, 





    
        

            Jerry Macon