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Old 19-09-2019, 09:38 PM
morls (Stephen)
Space is the place...

morls is offline
 
Join Date: Sep 2009
Location: Melbourne
Posts: 716
Jupiter and Saturn 18-09-19

These were taken with a 180 Mak, ASI120MM-S and 2x Powermate. I followed a guide I found online which recommended a gain of around 70% for Jupiter and 90% for Saturn, but I found a lot of noise when doing wavelets in Registax. This article was written a number of years ago, and I don't think the ASI120 needs to be pushed as hard.
It's my second night out with the gear, and I realise it's going to take some time to get a feel for balancing gain and exposure. I was pretty happy to get up to around 140fps in a MONO16 colour space, with a capture area of 640x480.
I might be being a bit unrealistic at this beginning stage, but to me the images seem a bit soft. I'm not sure whether it's the focusing, too much gain or bad processing. I guess I'll just keep at it and get some experience with the basics.
Thanks for looking
Stephen
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