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NGC891 |
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Observing Log
Date of observation: November 7, 2002
Time at end of first CCD image 7:45 PST
Time at end of last CCD image 8:05 PST
Observing location: home observatory
Fastar CCD Imaging session
Sky Conditions
For Sun set, astronomical twilight end, Moon rise or set, astronomical twilight begin and Sun rise refer to dark sky.
Observation Notes
NGC891 is a 10.0 magnitude bright, large galaxy.
Location in image: center
Location RA: RA: 02h 22m 36.0s Dec: +42°21'00" (Epoch 2000)
CGCG539-5 is a 15.8 magnitude galaxy.
Location in image: bottom, left corner (dim fuzzy star)
Location RA: 02h 23m 53.6s Dec: +42°12'22" (Epoch 2000)
Image size is 41 arc minutes wide by 31 arc minutes high with an image resolution of 3.8 arc sec per pixel.
Image orientation: north is the top, west is the right, east is the left and south is the bottom.
Additional Information on NGC Objects
SEDS Interactive NGC Catalog Online
NGC/IC Project
Observing Equipment
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Celestron C-8 Schmidt-Cassegrain telescope with Fastar lens accessory and SBIG ST-237 CCD Camera
(8" optical tube, focal length 406mm at f/1.95) |
Use Test patterns to calibrate monitor brightness, contrast, height and width