Date: March 12 -14, 2011
Location: Varna, Bulgaria
Telescope: ASA 12 inch Astrograph at F/6.3
Mount: ASA DDM85
Camera: SBIG STL11000M
Exposure time: total 16 hours ( Ha=16x30min, OIII=16x30min,) Binning 1X1
Filters: - Baader 8nm Ha and OIII
Processing: Stacked and processed in PixInsight. Further elaboration in Photoshop, where Ha was mapped as red, O3 as blue, and synthetic green channel was made using Noel Carboni's Actions
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