Herschel II INDEX - New




Observing Log
Date of observation: November 17, 2001
Time at end of first CCD image 8:21 PST
Time at end of last CCD image 8:41 PST
Observing location: home observatory
Fastar CCD Imaging session
Sky Conditions
Seeing: FWHM 2.7871
Transparency: magnitude 14.1 star is a peak value 460.427 with a background of 163.67.
Seeing and transparency is based on Star GSC 2337:317, RA: 02h 43m 45.7s Dec: +3722'45" (Epoch 2000).
Star is at column 270.784 and row 204.43 in the image.
For Sun set, astronomical twilight end, Moon rise or set, astronomical twilight begin and Sun rise refer to dark sky.
Observation Notes
NGC1058 is a 11.8 magnitude round galaxy.
Location in image: center
Location RA: 02h 43m 29.9s Dec: +3720'30" (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

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)
CCD image time: 31 X 30 seconds images stacked together.

Use Test patterns to calibrate monitor brightness, contrast, height and width