Emission Nebulae and Filaments in the Field of the Vela Supernova Remnant

Ha/OIII Combination Image - Imaged from Florida, Spring, 2012

Data Ha/OIII Combination
Taking Camera SBIG ST-8300M	Chiefland, FL ~mag 6 - no moon - Sensor @-20C
Imaging OTA	Canon EF 180mm f3.5L
Equivalent focal length and ratio	180mm f3.5
Mount	Losmandy G11 Gemini 2
Guiding	PHD with SSAG and 80mm f5.0 Guidescope
Ha-OIII Combination	14X15' 3nm Astrodon Ha and 14X15' 3nm Astrodon OIII unbinned
Calibration and Stacking	Darks, Bias and Flat Frames - PinInsight
Processed	PixInsight and Adobe Photoshop CS4

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This is a wide field image captured with a 180mm lens. The brighter emission feature (upper left center) is Gum 17, the fainter and larger (lower right center), Gum 14 after Australian astronomer Colin Stanley Gum (1924-1960). They are HII regions and show the characteristic red colour of hydrogen alpha emission. The filaments from the supernova are somewhat brighter in the blue-green of doubly ionised oxygen.