<<PREVIOUS -
HOME -
CONTENTS -
NEXT>>
MESSIER INDEX - NGC INDEX - NAME INDEX
 
 | 
 
 | 
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