Written by Admilson Pinto
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Thursday, 29 January 2009 00:00 |
NGC 7635 – The Bubble Nebula
Date/time: 28.07.2009 22:40 to 29.07.2009 01:10 Az./Alt. positions: 39° / 40° to 41° / 58° Ambient conditions: 22°C, transparency 5/5, seeing 5/5 Location: Monte Amiata, Agriturismo Poggiobello, Italy Equipment: Optics: TMB 130 SS f/7 with TSFlat 2 Mount: CGE Guiding: selfguiding with ST-4000XCM Camera: SBIG ST-4000XCM Filter: No Acquisition: Software: CCDSoft V5 FOV, Image scale: 57.2 x 57.2 arcmin, 1.68 arcs/pixel Sub-exposures: 1h 40min (10 x 15min) lights at –15°C, 50 x 10min dark frames, 30 x 0.05s EL flats at –10°C 50 bias at –10°C for flats calibration Processing: Fully processed in CS3: Curves and levels adjustments, Match color, noise reduction with Carbonis Actions. Comments: More exposures necessary for a better SNR.
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Last Updated on Monday, 07 September 2009 10:22 |