The Moon | Lucky Imaging in Full Frame (Kevin Morefield)

Contains: Solar system body or event

The Moon | Lucky Imaging in Full Frame

Acquisition type: Lucky imaging

The Moon | Lucky Imaging in Full Frame

Acquisition type: Lucky imaging

While attempting to capture SH2-274 the Moon kept getting in the way so it became the target. I had wanted to see if it was possible to use a full frame camera, without an ROI, to capture the Moon.

I used Firecapture 64bit with the native QHY driver and that made it possible. With each frame being 61 megapix, download speed was the primary limiting factor. I was able to capture 300 frames in 3 minutes. Exposure time was about 2 milliseconds, so the bulk of the 3 minutes was download time. Still, 100 frames a minute isn't bad. The file was 18 gigs.

AutoStakkart! Did an excellent job of processing the SER file. I selected to stack the best 50% of the frames. Seeing was not great at about 2". This really does display the ability of lucky imaging to beat seeing I think. There were 1400 selection points on each of the 150 frames stacked. It took about 90 minutes to stack using my remote capture PC. This is an i5 with 16 gigs of RAM and a solid state HD. So not a super fast computer.

This is not a perfect attempt at lucky imaging by any means. Ideally I would have a 2.5x powermate on there to drop the image scale from 0.3" to 0.12" and get the F ratio up to F20. I didn't shoot any color only Luminance. And I really would like to try this at 1" seeing! But it's still looks nice and sharp on my 27" monitor and there was no stitching to get it all in!

This is best viewed on full screen (but not full resolution I think!). Certainly, the close in details are not as good as I see with more optimal lucky imaging captures using ~10,000 frames. But I think this full frame capture has some advantage when you look at this full screen on a large screen.

If any of you expert planetary imagers have any advice please let me know.

QHY Users Group

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The Moon | Lucky Imaging in Full Frame

The Moon | Lucky Imaging in Full Frame

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The Moon | Lucky Imaging in Full Frame

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