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IC 2574 (UMa)
Click on the image for a larger version
| Date/Site: |
May 12th, 13th and 17th, 2012, AAR-observatory in Presberg |
Exposure/
Filter |
L: 6 x 300 a. 9 x 600 seconds,
R: 6 x 300 a. 9 x 600 seconds, G: 6 x 300 a. 11 x 600 seconds, B: 10 x 600 seconds (-20°C) |
| Camera: |
SBIG ST10XME, CFW9 with SBIG LRGB-Filters,
Guiding off-axis with Lodestar |
Optics/
Instrument: |
26cm f5-Newton on AP1200 |
|
Focusing with Robofocus and MaximDL,
Calibration and deblooming: MaximDL 5,
processing in PixInsight 1.7 and Photoshop |
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© Friedhelm Hübner, last revision: 03.12.2023