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Old 22-08-2006, 01:01 PM
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iceman (Mike)
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Double-moon + GRS/Red Jr Transit - 21/08

Hi all

This image was from earlier in the evening (6:03pm) before the shadow transits had begun.

Io had not long crossed in front of the disc, and Europa is not far from leaving the front of the disc.

Seeing was fairly ordinary, and fluctuating wildly - mostly due to boundary layer and tube currents as the temperature was dropping after sunset. I took 9 avi's, but this was the best of them, and in all cases I couldn't get 3 good channels.. I always had one acceptable channel, but then the seeing deteriorated while capturing the others.

Stacked 180/1300 frames in each channel (over 3 alignment points), usual LR deconvolution and recombine, followed by curves and colour balance adjustment in photoshop.

I captured a few avi's as Europa's shadow begun to transit, but by then the seeing was even worse. I might finish processing them and post them later. I didn't get to capture the double-shadow, as Jupiter had dropped below 50° in the west, where I can't see it anyone thanks to house + trees.

Thanks for looking.
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  #2  
Old 22-08-2006, 01:38 PM
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asimov (John)
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Nice job

A pity you missed out on the double capture
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  #3  
Old 22-08-2006, 01:51 PM
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Robert_T
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was wondering if you managed to get out there... sounds like your conditions were much the same as mine though reckon your image pips mine for quality - well done Mike
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Old 22-08-2006, 04:00 PM
Dennis
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Hi Mike

The image scale and detail in the images are quite something for those conditions. I am in awe as well as bewildered as through the ToUcam, I couldn't even focus the image let alone begin the process of capturing an avi. Either you, Robert and Lester are magicians, or I am a complete and utter failure!

Cheers

Dennis
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Old 22-08-2006, 06:44 PM
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Lester
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Hi Mike,

Well done again. Mine isn't worth posting, conditions were absolutely rotten, and then in came the cloud.
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Old 22-08-2006, 09:18 PM
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hevelsky
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An other great shot Mike
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  #7  
Old 23-08-2006, 05:54 AM
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iceman (Mike)
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Thanks for the comments, guys.. With Jupiter now gone (for me) by 7pm, i've only got an hour of imaging time left for this apparition.. and it's reducing by the day, both as Jupiter sets earlier, and the sun sets later!

I need to remove a few trees I think.
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