A Portion of NGC7000
To see
the faint detail in this image, adjust your monitor's brightness and contrast
to clearly show all 17 steps in this grayscale chart:
Imaging Equipment:
- Telescope:
Celestron C11 at f/6.5
- 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 clear, red, green, blue and
narrow-band (3nm) Ha dichroic filters
Exposure
Information
- Date:
Saturday August 10, 2002
- Location:
Mt. Pinos, CA
- Elevation:
8300', OAT +50F
- Composition:
Monochromatic Image in the light of Hydrogen Alpha
- 27
subexposures of 10 minutes each. (4.5 hours
total exposure time.)
- Plate
scale: 1.02 arc-sec/pixel
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