From: Ray Byrne <ray@in4media.co.uk>

Date: June 27, 2009 12:01:02 PM MDT

To: Astro_IIDC@yahoogroups.com

Subject: Opinions on my Jupiter image


Hi Guys,


I've uploaded an image of Jupiter into our files section, I'd like your opinions. I've posted it on Cloudynight's Solar System imaging and Processing Forum and had some positive criticism/advice but the chap making the suggestions is, I think is coming at it from a PC software perspective. He initially asked some specific data on stack sizes and the like. For those of you who don't frequent the forum here's how the thread has gone:


Give us some specifics, like : FPS, stack size, histogram settings, altitude of the planets etc.. It helps to evaluate the situation. Great image!!


Sorry about that, Here you go:


FPS: 30; Gamma 1.00; Brightness: 736; Stack size all colours 250 frames from 800 frames grabbed. Not sure of Jupiter's altitude but I'm at 51 degrees north. I used a Meade 2x Apo Barlow. The luminance was created from the green.


Someone correct me if I'm wrong, but you want to keep brightness at zero.max out gain and leave gama at the default settings. Keep the histogram around 240 to 250. Try that to see if it helps. 


Hi whduke,


Remember I'm not using K3CCDTOOLS or the like as I'm on a Mac, the capture and processing software is Astro IIDC. The default setting for Gamma is supposed to be 1.00 according to tutorials I've read on this software. I don't know what you mean by the histogram there is a graph that I can turn on in the software but it has no scales on it. I think I should run it by some of the guys on the Astro IIDC yahoo group and see what they think.


So over to you...



ATB


Ray Byrne

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