| Exposure Data: |
05./06.08.2003.
H-alphaRGB: L=6x20min. (2x2), R=10x4,5min. (3x3), G=10x5min.
(3x3), B=10x8,35min. (3x3), compl. 5 hours. |
| Processing: |
Acquired via MSB
AstroArt, no darks+flats, Sigma combined, RL-deconvolved
in AIP4Win, registered in RegiStar, H-alphaRGB combined and other
processing steps in Photoshop and Neat Image. |
| Optical System: |
348/3007mm Hypergraph-Cassegrain,
Starlight Xpress SXV-H9, Astronomik Filter wheel FR-03, Type II.b-Filters
and 13nm H-alpha-Filter, Astro-Physics 1200 ESCAP-FS-2-GoTo. Off-axis guided with Starlight Xpress MX 516
without AO7. |
| Comments: |
Average FWHM was
1,9 arc-seconds. Poor transparency and better seeing conditions. Picture upsampled 15%. |
| Author: |
Michael Breite |
Image courtesy DSS / POSS
(Strasbourg-ESO Catalogue)