Geschrieben von: Admilson Pinto
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Freitag, 30. Januar 2009 um 00:00 Uhr |
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Rho Ophiuchi cloud complex
Date: 02.09.2013 and 03.09.2013 Ambient conditions: 22°C Location: Crisopolis, Brazil
Equipment: Telescope: FSQ-106EDX f/3.6 Mount: ASA DDM60 Camera: SXVF-H36 Guiding: No guiding Filters: LRGB Astronomik Acquisition: Software: Maxim DL 5 FOV, Image scale: 327 x 219 arcmin, 4.0 arcs/pixel Sub-exposures: L 80min 1x1 / R 30min 2x2 / G 60min 2x2 / B 20min 2x2 (10 min light frames) Calibration: Flats and Darks Processing: CCDStack: Calibration, registering, Mean stacking ExCalibrator: RGB factors CS5: LRGB composite, Curves, Levels, Color adjustments Comments: Many difficults with this object: a) lights taken at variable weather conditions, so only a few frames could be used; b) spacer for Tak reducer was wrong, so oval stars at the corners can be seen; c) object very low on horizon and d) gradients created by street illumination on some color images. Download full size image:Information Filename: nebulae/ic4603_2013-09-02_full.jpg Filesize: 6127648 Kb Download limit: unlimited
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Zuletzt aktualisiert am Sonntag, 22. September 2013 um 11:25 Uhr |