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M42 (Ori)
Click on the image for a larger version
| Date/Site: |
Februaryyy 20., 2007, AAR-observatory in Presberg |
Exposure/
Filter: |
10 x 10 seconds, 1 x 2 minutes, 11 x 5 minutes |
| Camera: |
Canon EOS 300Da |
Optics/
Instrument: |
6"-Newton on the Gemini 41-Field mount of the AAR, Baader-coma-corrector |
|
focusing by hand with the aid of DSLR Focus |
|
webcam-guiding with MaximDSLR through 4"-FH-refractor |
|
darks: Fitswork,
aligning and stacking: Regim,
levels and curves: Photoshop CS |
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© Friedhelm Hübner, last revision: 03.12.2023