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NGC 6781 (Aql)
Click on the image for a larger version
| Date/Site: |
August 18th, 2010, AAR-observatory in Presberg |
Exposure/
Filter: |
R: 8 x 300 seconds, G: 12 x 300 seconds, B: 6 x 300 seconds (-15°C) |
| Camera: |
SBIG ST10XME, CFW9 with SBIG LRGB-filters, AO-8, RCC1 Coma-corrector |
Optics/
Instrument: |
26cm-Newton on Gemini 41 Observatory |
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Focusing with Robofocus |
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Darks, flats, deblooming, alignment and stacking: MaximDL 5,
Levels and curves: Photoshop CS3. |
Somehow off the beaten path the planetary nebula NGC 6781 lies in Aquila, the eagle. For this picture only RGB-frames were used. Instead of green I should have used the time for red and blue frames.
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© Friedhelm Hübner, last revision: 03.12.2023