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Date: 25-10, 22-11, 19-12-2008 Observing site: Observatory 16b, Àger Telescope: Takahashi FSQ-106N @ f/5 on EM-400 mount Camera: SBIG STL-11000M @ -10C Filters: Optec RGB, Astrodon H alpha 6 nm Exposure: 9 x 15 min R; 9 x 15 min G; 7 x 20 min B; 4 x 30 min Halpha (all unbinned). Total exposure: 8.9 h Guiding: Camera guide chip Software: Guide & camera control: CCDSoft. Processing: PixInsight 1.4 Comment: R channel is a composite of R and H alpha data | M33 |
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