Herschel II INDEX -
Date of observation: November 18, 2001
Time at end of first CCD image 9:22 PST
Time at end of last CCD image 10:49 PST
Observing location: home observatory
Fastar CCD Imaging session
Seeing: FWHM 2
Transparency: magnitude 13.6 star is a peak value 549.049 with a background of 150.817.
Seeing and transparency is based on Star GSC 2859:1353, RA: 03h 06m 07.6s Dec: +44°17'39" (Epoch 2000).
Star is at column 166.154 and row 44.1 in the image.
For Sun set, astronomical twilight end, Moon rise or set, astronomical twilight begin and Sun rise refer to dark sky.
NGC is a 13.0 magnitude open cluster galaxy.
Location in image: center
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
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
© 1998-2003 David Haworth