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Exposure Data: |
16.09.2003.
LRGB: L=13x20min. (1x1), R=2x20min (2x2), G=2x20min. (2x2), B=2x20min (2x2), compl.
6 1/3 hours.
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Processing: |
Acquired via MSB
AstroArt, darks+flats, Median combined (1:1:1) in MaxIm DL, 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 MX 916, AstroMechanik Filter wheel AM4 and Idas
LRGB-Filterset Type 2, Astro-Physics 1200 QMD with Koch FS-2-GoTo. Off-axis guided with Starlight Xpress MX 516
without AO7.
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Comments: |
Considerably faint galaxy. Average FWHM
was 1,85 arc-seconds,
highest resolution with my MX916-CCD-camera. Medium transparency.
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Author: |
Michael Breite
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