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Hackneyed Saturn 2020-08-13...plus a ponderment

dslr Maksutov planet astrophotography
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#1 BQ Octantis

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Posted 12 August 2020 - 07:05 PM

Seeing nosedived when I got back out to shoot Saturn. I shot for an hour hoping things might improve, but they didn't; the first 3-minute window was the best of the lot—remarkable only for its banality:

 

001_final.jpg

Saturn, Rhea, Tethys, Dione, Mimas, Enceladus 2020-08-12 12:33 UTC

 

I had to synthesize reality for the moons. In poor seeing, Mimas and Enceladus flicker right at the noise floor of my sensor. So while I brought in the brighter moons by dabbing a layer mask on their centroids in the stretched image, I use a scaled screenshot from Stellarium as an overlay to find the centroids of Mimas and Enceladus. Their smudges are highly seeing dependent; I wouldn't say these were anywhere close to obvious.

 

BQ


Edited by BQ Octantis, 12 August 2020 - 07:06 PM.

  • Kenny V., John Rogers, troyt and 8 others like this

#2 Don L1930

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Posted 12 August 2020 - 07:30 PM

Looks marvelous. Thanks for posting it.

Don



#3 BQ Octantis

BQ Octantis

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Posted 13 August 2020 - 05:58 AM

Thanks Don!…and to all for the likes!

 

My disappointment in Saturn is just a reflection of my 7-in aperture in typical outback seeing. A very good result would resolve the polar hexagon. And the cat's meo is a major storm.

 

BQ




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