[ATMoB-discuss] First photo from C14/ST7

[Bruce Berger]

Thank you. So here's a question - I have about 8 images @ 3 or 5 minute
exposures. Should I align and stack, and THEN apply Dark & Bias frames, or
should the Dark & Bias be applied to each frame before stacking?

I do not have MaxIm, but I do have Registax, CCDSoft 5.0 and Photoshop CS2.

Bruce 

-----Original Message-----
From: mmotta at massmed.org [mailto:mmotta at massmed.org] 
Sent: Tuesday, August 08, 2006 1:35 PM
To: valleli at rcn.com
Cc: bruce at scopemaker.com; atmob-discuss at atmob.org
Subject: Re: [ATMoB-discuss] First photo from C14/ST7

Look on the black "sky" and you will see single pixel white dots. Those are
hot pixels.
Mario

On Tue,  8 Aug 2006 13:19:35 -0400 (EDT), valleli at rcn.com wrote:

> 
> Mario,
> 
> I see the dark pixels, no problem. Not sure what you are referring to 
> for 'hot' pixels.
> 
> Is it the mottled (grainy) background?
> 
> I downloaded the JPG and then viewed it in Photoshop.
> 
> What I saw on the laptop screen had a lot more detail in the ring than 
> this processed exposure shows.
> 
> Would binning for such a small object have been
helpful?
> 
> Paul