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M20 (Sgr)
Click on the image for a larger version
| Date/Site: |
September 12., 2007, Rifugio Monte Muro, Maurerberg, Southern Tyrol |
Exposure/
Filter: |
10 x 5 minutes, 1 x 10 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 |
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webcam-guiding with MaximDSLR through 4"-FH-refractor |
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Darks: Fitswork,
aligning and stacking: MaximDSLR,
levels and curves: Photoshop CS |
The Trifid stood already relatively low in the western sky over the valley of the Eisack. So the background suffered a bit and during the image processing I was tempted to overcompensate for this.
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© Friedhelm Hübner, last revision: 03.12.2023