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Object Information
Messier object: M105
NGC (New General Catalog) number: NGC 3379
Discription: Elliptical Galaxy
Located in
constellation:
Leo
Right ascension in hours minutes: 10:47.8
Declination in degrees minutes: 12:35
Visual magnitude: 9.3
Size: 2.0 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
M105 in
SEDS Messier database
Other
Messier galleries, images or catalogs
Observing Log
Date of observation: February 19, 1999
Time at end of first CCD image 23:47 PST
Time at end of last CCD image 00:00 PST February 20, 1999
Observing Location: At home on the drive way
Observation of object:
Sky Conditions
Sky transparency: 4.2
(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: 4 - 240 seconds images added together
CCD dark calibration frames: 28 - 240 seconds dark frames
Use Test patterns to calibrate monitor brightness, contrast, height and width