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tony873004
2006-Oct-20, 06:00 PM
I'm using my Canon D10 my university's 16" Meade on a Paramount mount under a light-polluted urban sky. I'm getting some nice results, but not nearly as nice as photos I've seen posted here.

Can somebody point me to a link that describes how to take multiple images and stack them?

Can this be done with a digital SLR?
Should I be shooting in RAW mode?
What software do I need to do the stacking? (free preferably!)

Thanks

paul f. campbell
2006-Oct-20, 11:13 PM
Hi Tony. I think you can use Registax 3. to process your photos and also stack them.

clop
2006-Oct-21, 01:17 AM
I always use IRIS and it works great. And it's free.

It's here

http://www.astrosurf.com/buil/us/iris/iris.htm

and there's a great set of instructions here

http://www.saratogaskies.com/articles/cookbook/index.html

clop

tegwilym
2006-Oct-23, 07:34 AM
Can this be done with a digital SLR?
Should I be shooting in RAW mode?
What software do I need to do the stacking? (free preferably!)

Thanks

1. Yes, definately!
2. Yes, it takes longer to download from the camera, but you'll get the best detail without any of the compression from .jpg images.
3. There is a lot out there. A new free one is DeepskyStacker (http://deepskystacker.free.fr/english/index.html)
Registax always works, but I found it kind of sluggish for large images from the Canon.
It costs money, but one of my favorites is ImagesPlus http://www.mlunsold.com/
K3CCDTools will do Canon images (I think!) I have it but never tried the canon shots with it yet. http://www.pk3.org/Astro/index.htm?k3ccdtools.htm

-Tom
Astro-Shack Observatory (http://www.eastsideastro.org/observatory)