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FASTAR MESSIER INDEX -
Messier M51 |
Messier Object Information |
|
Object Information |
Visual magnitude: 8.4 |
Observing Log
Date of observation: March 23, 2001
Time at end of first CCD image 00:48 PST
Time at end of last CCD image 1:32 PST
Observing Location: At home on the drive way
Observation of object: M51 with its companion galazy NGC 5195 to the north.
M51 has two spiral arms from the center and it has very distinct dark dust lanes.
Notice the very faint arm off the right side of MGC5195.
IC4263 (Magnitude 15.07) is at the bottom edge right corner.
Sky Conditions
Astronomical twilight ended in the evening at 20:07 PST on March 22, 2001
Astronomical twilight started in morning at 4:25 PST on March 23, 2001
Observing Equipment
Fastar Celestron C-8 Schmidt-Cassegrain telescope with
Fastar lens accessory and
SBIG ST-237 CCD Camera |
M51 image taken with Orion ShortTube 80 mm refractor telescope and Cookbook CB245 CCD Camera.
Use Test patterns to calibrate monitor brightness, contrast, height and width