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William Shaheen | all galleries >> Astronomy - Astronomical objects, images and astronomy related projects >> Comet Collection > Comet C/2012 S1 (ISON) 06-Feb-2013
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Comet C/2012 S1 (ISON) 06-Feb-2013

Images taken between 02:52am and 4:35am 07-Feb-2012 UT.
12 - 3 min. exposures at 7 min. intervals taken with the SBIG STF-8300M (monochrome) CCD camera at -18C. Baader 2" UV/IR filter. Telescope configuration: Celestron EdgeHD 1400 with the Celestron 0.7x focal reducer (fl=2700, f/7.6), binned 2x2, yielding an image scale of 0.82 arc-seconds/pixel. Mount: Software Bisque Paramount MX. Captured with TSXPro with PEC and ProTrack enabled. Focused using an AstroZap Bahtinov focus mask. Post processing: bad pixel removal in Nebulosity2 using a 9 dark frame BPM (threshold 4889); calibrated using a 13 bias frame master, aligned and DDP in ImagesPlus 5.0.

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