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


            Randal Healey
M104 The Sombrero Galaxy
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M104 The Sombrero Galaxy

Technical card

Dates:May 2, 2019May 3, 2019May 4, 2019

Astrodon BLUE 36mm - Gen2 E-Series Tru-Balance: 19x180" -10C bin 1x1
Astrodon GREEN 36mm - Gen2 E-Series Tru-Balance: 23x180" -10C bin 1x1
Astrodon LUM 36mm - Gen2 E -Series Tru-Balance: 23x300" -10C bin 1x1
Astrodon RED 36mm - Gen2 E-Series Tru-Balance: 22x180" -10C bin 1x1

Integration: 5.1 hours

Darks: ~30

Flats: ~50

Bias: ~81

Avg. Moon age: 28.12 days

Avg. Moon phase: 2.90%

Basic astrometry details job: 3208274

RA center: 12h 40' 0"

DEC center: -11° 37' 30"

Pixel scale: 0.972 arcsec/pixel

Orientation: 1.334 degrees

Field radius: 0.179 degrees

Resolution: 1087x763

Locations: Healey "Utahopia" Observatory, Kaysville, Utah, United States

Data source: Own remote observatory


The Sombrero Galaxy (also known as M104 or NGC 4594) is a lenticular galaxy in the constellation Virgo found 31,100,000 light years from Earth. The galaxy has a diameter of approximately 50,000 light-years, about 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. Its large bulge, its central supermassive black hole, and its dust lane all attract the attention of astronomers and astrophotographers.



Randal Healey
License: None (All rights reserved)


  • M104 The Sombrero Galaxy, 


            Randal Healey
  • Final
    M104 The Sombrero Galaxy, 


            Randal Healey


Description: Cropped

Sky plot

Sky plot


M104 The Sombrero Galaxy, 


            Randal Healey