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 Post subject: Comet imaging with a webcam
PostPosted: Sat May 03, 2014 7:50 am 
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Joined: Mon Oct 12, 2009 6:47 pm
Posts: 1263
Location: Bolton
Last night I took another opportunity to image Comet PanSTARRS, this time with a webcam in "colour RAW" mode.
It was just after 10pm that I took the 'scope, camera and laptop outside and got the tripod and mount out from the shed, but by 10:30 I had it all set up, polar-aligned, focused and aimed at the comet and could begin the image captures.
I left it running for half an hour, and then had it all packed away by 11:10.

Then this morning I used IRIS to do the calibration (using offsets and darks, but no flats) and CFA conversion and then ran Stellar registration using Global matching. Then I used my Excel utility and the TRANS2 command to shift the images so that they were aligned on the comet, and finally stacked them and did some post-processing.
Attachment:
File comment: C/2012 K1 on 2-May. 32x 1-min with Philips SPC880LX on StarWave 80ED at f/4.6
panstarrs_2may14.jpg
panstarrs_2may14.jpg [ 110.11 KiB | Viewed 2577 times ]


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