Instrument commissioning phase, Beginning final approach to the comet |
Instrument commissioning phase, Beginning final approach to the comet |
Mar 26 2014, 06:23 PM
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#1
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Junior Member Group: Members Posts: 93 Joined: 21-January 13 Member No.: 6845 |
Today a member of the camera science team put up the first images of the comet on his office door. So the camera works. He said on the image is M107 and the comet could this be?
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Jun 27 2014, 01:54 AM
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#2
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
That's the closest I could get within a few hours:
The gif is reduced to 660 pixels to fit into the 2 MB limit (I think) of imgur. I've used the average brightness of the images as brightness calibration, after subtracting the minimum brightness (RGB channel-wise) over all images (removes vertical streaky artifacts). Then I (actually a quick and dirty written piece of software) subtracted the minimum brightness (again each RGB channel) over the thus far processed first 21 images to partially clean the images from camera artifacts. This latter processing step probably reduced the brightness of CG a bit more than intended in the beginning of the sequence, but using all images instead has no noticible cleaning effect at all. I guess, that the overall dark raw images at the end of the sequence cause the flickering, when using the calibration method sketched above; but I had no better easy-to-implement idea. |
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Lo-Fi Version | Time is now: 26th September 2024 - 06:13 AM |
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