| Exposure Data: |
23.03.2003.
LRGB: L=20x10min. (2x2), R=4x10min. (3x3), G=4x10min.
(3x3), B=6x10min. (3x3), compl. 5 2/3 hours. |
| Processing: |
Acquired via MSB
AstroArt, no darks+flats, Median combined (1,1:1:2,0) in MaxIm DL,
RL-deconvolved
in AIP4Win, registered in RegiStar, LRGB combined and many other
processing steps in Photoshop. |
| 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. |
| Comments: |
Average FWHM was
2,2 arc-seconds, Medium transparency. The field is 10x7,5 arc-minutes around the bright (13mag) NGC 3842. Picture upsampled 15%. North on right side. |
| Author: |
Michael Breite |