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Exposure Data: |
25.02.2003.
LRGB: L=16x5min. (2x2), R=5x5min. (3x3), G=5x5min. (3x3), B=5x8min. (3x3), compl.
2 3/4 hours.
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Processing: |
Acquired via MSB
AstroArt, no darks+flats, Median combined (1:1,1:1,2) 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 SXV-H9, 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: |
Average FWHM was
2,9 arc-seconds,
Medium transparency, extreme lousy seeing conditions. My first try in DDP.
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Author: |
Michael Breite
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