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image taken last night

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13 years 1 month ago #91288 by Frank Ryan
Replied by Frank Ryan on topic Re: image taken last night
Impressive shots.
I'm not familliar with the Neximage cam but
5fps to me might be a little low to beat not so good seeing.
Try 10fps / 15fps and see how that go's.
A 1min AVI might be the best to go for on Jupiter because
of rotation.
Higher FPS are helpfull to beat seeing but the
image gets grainer the higher you go.
Also on the capture settings.
Reasonably high gain & don't be afraid of Gama.
On the screen it may look a bit washed out but little or
no Gamma means you will loose contrast details
that will be very obvious once the images are stacked.
You can reduce gamma in Registax during processing.
I've only learned this reciently but it makes a big
difference to the fine detail I have found.
I used to try and set the levels in the camera
software to show a nice visual representation
of Jupiter but kind of like imaging in RGB,
if you cut out one 'wavelength' you will loose detail.

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers
The following user(s) said Thank You: astroado

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13 years 1 month ago #91289 by dmcdona
Replied by dmcdona on topic Re: image taken last night
Aiden - to be honest, I think you're doing grand. Sometimes, a step back and a deep breath can avoid many hours of frustration. I'm pretty sure the seasoned folks have been there - I certainly have.

I recall many hours spent trying to figure out why my OTA was pointing anywhere but where I wanted it to. The odd thing was, it always pointed the same distance away from where it should be. Hours later, the penny dropped. The clocks had gone back. Duh!

You only do that once in this game. Well, mostly :-)

Keep pluggin away - you're doing great.

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13 years 1 month ago #91303 by astroado
Replied by astroado on topic Re: image taken last night
Hi Frank
I have a couple of avis at 10 fps and 160 seconds that I have not got to processing yet, must have a go at them, I think you may have hit the nail on the head with the gamma issue, just checked my Jupiter save slot on WXastrocapture and the gamma was at 3, guess thats far too low also don`t think I give the scope long enough to cool down just 20 minutes. Thanks for taking the time to reply.
Aiden

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13 years 1 month ago #91304 by astroado
Replied by astroado on topic Re: image taken last night
Thanks Dave
Going to hang up the camera for a while, have a go at Mars at the end of this month and then the one I can`t wait for Saturn!
Aiden

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