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Messier M104

Object Information Messier object: M104 Common name for Messier object: Sombrero Galaxy NGC (New General Catalog) number: NGC 4594 Discription: Spiral Galaxy Located in constellation: Virgo Right ascension in hours minutes: 12:40.0 Declination in degrees minutes: -11:37 Visual magnitude: 8 Size: 9x4 arc minutes Image size: 55.23 arc minutes high by 40.98 arc minutes wide Image orientation: North is top, East is left Detailed discription of M104 in SEDS Messier database Other Messier galleries, images or catalogs

Observing Log
Date of observation: February 20, 1999
Time at end of first CCD image 02:15 PST
Time at end of last CCD image 02:34 PST
Observing Location: At home on the drive way
Observation of object:
 
Sky Conditions
Sky transparency: 5.5 (Magnitude of the faintest star visible with the unaided eye in Ursa Minor)
Moon set at 22:02 PST on February 19, 1999
Astronomical twilight ends in the evening at 19:22 PST on February 19, 1999
Astronomical twilight starts in morning at 5:24 PST on February 20, 1999
 
Observing Equipment
80 mm aperture refractor telescope and CCD Cookbook Camera
CCD image time: 5 - 240 seconds images added together
CCD dark calibration frames: 28 - 240 seconds dark frames

© 1998-2003 David Haworth