Archived posting to the Leica Users Group, 2024/10/25

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Subject: [Leica] Comet pic, software to eliminate earth's rotation?
From: pdzwig at summaventures.com (Peter Dzwig)
Date: Fri, 25 Oct 2024 22:34:17 +0100
References: <3fa561c4-ff7c-48b7-b0a5-2af8c1d31483@gmail.com>

Peter,

personally I wouldn't bother. The software might well interpret some are 
all of the tail as something to be corrected.

Peter

On 23/10/2024 07:27, Peter Klein via LUG wrote:
> The Seattle area finally had a clear-ish night. I went out to a bluff 
> overlooking Puget Sound to attempt to see and photograph Comet 
> Tsuchinshan-Atlas. The comet has faded to below naked-eye visibility, 
> and required exposures of 3-8 seconds. So I ended up with the stars and 
> comet head elongated into little lines.? Is there any software that will 
> resolve this "motion blur?" Focus Magic can do something like this, but 
> only over about 20 pixels. My "star trails" are? longer.
> 
> Sized down a bit, it looks reasonable. Five seconds at f/3.3, ISO 1600, 
> Olympus EM-1 MK II and 50-200 f/2.8-3.5.? Couldn't see a thing, could 
> barely detect it with binoculars. Focus by trial and error.
> https://www.flickr.com/photos/24844563 at 
> N04/54087604179/in/dateposted-public/
> 
> I am now thawing out my hands...
> 
> --Peter
> 
> _______________________________________________
> Leica Users Group.
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-- 

Dr. Peter Dzwig


In reply to: Message from boulanger.croissant at gmail.com (Peter Klein) ([Leica] Comet pic, software to eliminate earth's rotation?)