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Click on the image for a larger version
NGC 7331 and Stephan's Quintett
| Date/Site: |
August 31., 2008, AAR-observatory in Presberg |
Exposure/
Filter: |
L: 6 x 10 minutes
RGB: 3 x 5 minutes, 2x2 Binning (-15°) |
| Camera: |
SBIG ST10XME, motorized Atik-filterwheel with Astronomik-RGB-filters |
Optics/
Instrument: |
6"-Newton on the Gemini 41 Observatory mount, Baader coma-corrector |
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focusing by hand with the aid of MaximDL 4.6 |
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Deblooming, darks, alignment and stacking: MaximDL,
levels and curves: Photoshop CS |
Remarks: first LRGB with the new ST10; the reflector wasn't properly collimated, I promise to take care next time.
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