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M43 is above M42 |
Object Information |
Observing Log
Date December 21, 1998
Time at end of first CCD image 01:07 PST
Time at end of last CCD image 01:20 PST
Observing Location: At home on the drive way
Observation of object:
M43 is a small comma shape bright diffuse nebula.
M42 diffuse nebula is located south of M42.
Sky Conditions
Sky transparency: 5.5 (Magnitude of the faintest star visible with the unaided eye in Ursa Minor)
Moon sets at 18:31 PST December 20, 1998
Astronomical twilight ends in the evening at 18:16 PST December 20, 1998
Astronomical twilight starts in morning at 6:00 PST
Observing Equipment
80 mm aperture refractor telescope and CCD Cookbook Camera
CCD image time: 31 - 15 seconds images added together
CCD dark calibration frames: 16 - 15 seconds dark frames
Use Test patterns to calibrate monitor brightness, contrast, height and width