Herschel II INDEX - New




Observing Log
Date of observation: November 17, 2001
Time at end of first CCD image 11:33 PST
Time at end of last CCD image 11:53 PST
Observing location: home observatory
Fastar CCD Imaging session
Sky Conditions
Seeing: FWHM 2.65192
Transparency: magnitude 14.0 star is a peak value 559.314 with a background of 136.525.
Seeing and transparency is based on Star GSC 3324:1303, RA: 03h 33m 21.1s Dec: +5126'55" (Epoch 2000).
Star is at column 397.894 and row 214.656 in the image.
The small bright stars 14.0 magnitude are 14 magnitude.
The small stars 17.5 magnitude are 17.5 magnitude.
The small very dim stars 19.899 magnitude are 19 to 19.899 magnitude.
For Sun set, astronomical twilight end, Moon rise or set, astronomical twilight begin and Sun rise refer to dark sky.
Observation Notes
NGC1348 is a small open cluster not easly seen from the background field stars
Location in image: center
Location RA: 03h 33m 48.0s Dec: +5126'00" (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