NGC253, Spiral Galaxy in Sculptor
Too big? Here's a smaller image.
- 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
Date: Sunday September 16, 2001
Location: Mt. Pinos, CA
Elevation: Approx. 8300', OAT +40ºF
Exposure time: 2.2 hours
Composition: LRGB (70:20:20:20 minutes)
RGB exposures were shot binned 2x2
All exposures were 10 minutes each.
North is up.