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Exposure Data: |
23.09.2003.
LRGB: L=6x10min. (2x2), R=2x10min. (3x3), G=2x10min.
(3x3), B=2x10min. (3x3), compl. 2 hours.
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Processing: |
Acquired via MaxIm DL, no darks+flats, Sigma combined, RL-deconvolved
in AIP4Win, registered in RegiStar, LRGB combined and many other
processing steps in Photoshop.
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Optical System: |
348/3007mm Hypergraph-Cassegrain,
Starlight Xpress SXV-H9, Astronomik Filter wheel FR-03, Type II.b-Filters,
Astro-Physics 1200 ESCAP-FS-2-GoTo. Off-axis guided with Starlight Xpress
SXV-Autoguider-camera.
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Comments: |
Average FWHM was
1,8 arc-seconds,
Very stable seeing conditions with small image motion. Picture
upsampled 10%.
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Author: |
Michael Breite
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