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Object Information |
Observing Log
Date of observation: August 19, 1998
Time at end of first CCD image 02:46 PDT
Time at end of last CCD image 02:58 PDT
Observing Location: ARGO
Observation of object:
M33 is the second largest visual galaxy in the Messier list.
M33 has two bright spiral arms coming from the nucleus.
Sky Conditions
Sky transparency: 5.8
(Magnitude of the faintest star visible with the unaided eye in Ursa Minor)
Moon set at 17:52 PDT on August 18, 1998
Astronomical twilight ends in the evening at 21:51 PDT on August 18, 1998
Astronomical twilight starts in morning at 4:24 PDT on August 19, 1998
Observing Equipment
80 mm aperture refractor telescope and CCD Cookbook Camera
CCD image time: 4 - 240 seconds images added together
CCD dark calibration frames: 4 - 240 seconds dark frames
Use Test patterns to calibrate monitor brightness, contrast, height and width