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M 74 (Psc)
Click on the image for a larger version
| Date/Site: |
29. November and 29. December 2016, AAR-observatory in Presberg |
Exposure/
Filter: |
R 6 x 300 seconds
G 6 x 300 seconds
B 8 x 300 seconds (-20°C) |
| Camera: |
QSI 632 with SBIG- and Baader-filters
off-axis-guiding with Lodestar |
Optics/
Instrument: |
10" f4-Newton on AP1200, RCC1 coma-corrector |
|
Focusing with RoboFocus and FocusMax,
automatic image acquisition with CCD-Commander and MaximDL 6,
calibration: MaximDL 6, processing: PixInsight 1.8 |
Some stray light entered the camera and affected the image.
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© Friedhelm Hübner, last revision: 03.12.2023