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NGC 6822 (Sgr)
Click on the image for a larger version
| Date/Site: |
August 24th, 2011, Rifugio Monte Muro, Maurerberg, Southern Tyrol |
Exposure/
Filter: |
R: 3 x 600 seconds, G: 3 x 600 seconds, B: 3 x 600 seconds (-15°C) |
| Camera: |
SBIG ST10XME, CFW9 with SBIG LRGB-filters, AO-8 |
Optics/
Instrument: |
6"-Newton on Gemini 41 Observatory mount, RCC1 Coma-corrector |
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Focusing with Robofocus |
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Calibration, alignment and stacking: MaximDL 5.01,
Levels and curves: Photoshop CS |
Minor planet (689) Zita at 14,4 mag crossed the galaxy during the exposures.
Compare this view with the shot with my Canon 350Da from the same location, only some years earlier:
NGC 6822, Barnard's Galaxy (Sgr)
Click on the image for a larger version
| Date/Site: |
September 13th, 2007, Rifugio Monte Muro, Maurerberg, Southern Tyrol |
Exposure/
Filter: |
10 x 6 minutes |
| Camera: |
Canon EOS 300Da |
Optics/
Instrument: |
6"-Newton on Gemini 41 Observatory mount, Baader-coma-corrector |
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Focusing with RoboFocus and DSLR Focus
webcam-guiding with MaximDSLR through 4"-FH-refractor
Darks: Fitswork,
aligning and stacking: MaximDSLR,
levels and curves: Photoshop CS |
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© Friedhelm Hübner, last revision: 09.12.2024