NGC7635, The Bubble Nebula
Imaging
Equipment:
- Telescope:
Takahashi FS-152 f/8 fluorite refractor at f/8.
- Zeiss
II German Equatorial Mount
- Santa
Barbara Instrument Group ST-8E NABG CCD camera (1530 x 1020 pixels, 9 x 9mm, monochromatic, 16 bit, 13.8 x 9.2mm array)
- CWF8
color filter wheel with IR-blocking red, green, blue and Hydrogen-Alpha
(deep red) dichroic filters
Exposure
Information:
- Date:
Friday August 17, 2001
- Location:
Mt. Pinos, CA
- Elevation:
Approx. 8300', OAT +46F
- Exposure
time: 4.2 hours
- Composition:
(Ha+R)GB (100:50:50:50 minutes)
- All
exposures were 10 minutes each.
- North
is to the right.
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