Obtaining Miloslav-style eclipse photos with camcorder?

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Obtaining Miloslav-style eclipse photos with camcorder?

Postby tim.tlz » Thu Aug 11, 2016 5:19 pm

Hi Everyone

As some of you will already know from my previous posting, I am hoping to go to the USA next year to see the solar eclipse and I trying to find the best way of photographing it. I am actually hoping (with the aid of image stacking software) to achieve a photo which is at least vaguely similar to Miloslav Druckmüller's eclipse photos.

I am somewhat on a budget so I don't think I can afford the expensive equipment that Miloslav uses but I am thinking that I might be able obtain the raw images required relatively cheaply by filming the eclipse (using the appropriate manual settings) with a Panasonic 4K camcorder (HC-VX980EB-K) and extracting the images from the footage. However, it occurs to me that, because of the way the the images in the 4K footage from the camcorder are compressed, the very faint light from the outer corona which would theoretically be made visible by the stacking software might not actually exist whatsoever in the compressed images which means that no matter how many images I stacked, the outer corona would never appear. Does anyone know if I am right or wrong to be concerned about this?

Thank you very much.

Kind regards

Tim
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Re: Obtaining Miloslav-style eclipse photos with camcorder?

Postby Aratus » Wed Aug 17, 2016 2:00 pm

The only thoughts I have on this is that many camcorders and other non-specialised image recording systems have automatic exposure controls which won't help. Personally I wouldn't be concerned about getting hundreds or thousands of frames for a bright object like the sun. By all meets lock off a video camera to record the event, but I would use a good DSLR and bracket as many different exposure times as you can. That way you are bound to get everything that can be captured.
I use an 11" Celestron SCT (CPC 1100) on an equatorial wedge, housed in a 2.2m Pulsar observatory. I use a ZWO ASI1600MC and Canon 500D for imaging.
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