Chris:

Very nice images - thanks for sharing them. I particularly liked your M101.
Your M13 image might benefit from DDP processing (Digital Development
Process) by Kunihiko Okano. There has been extensive discussion of this
technique on CCD listserv over the past few months. You can find more
details at:
http://www.asahi-net.or.jp/~rt6k-okn/

I've used this technique for globulars and it works wonders at bringing out
the central details.

Gregg L. Ruppel

Visit my astronomy site at:
http://members.aol.com/gruppel973
----- Original Message -----
Sent: Wednesday, June 09, 1999 9:28 PM
Subject: [M]: New CCD images


> I've got a new crop of CCD images on my webpage. Most of them where
> taken last night with the help of fellow list member Chuck Greenberg at
> my observatory and using my new Meade f/3.3 focal reducer.
>
> Take a look at:
> http://www.isomedia.com/homes/cvedeler/CCD.htm
>
> One thing that I have discovered that makes a tremendous difference in
> the quality of my images with my LX200 is to turn the declination
> correction OFF during self-guide with my ST7. My scope is polar aligned
> well enough that it shows essentially zero declination drift for 10
> minutes, so why engage the lousy LX200 declination motor to mess things
> up? It has worked wonders for my images and tracking.
>
> Take a look and let me know what you think.
>
> Thanks,
>
> Chris Vedeler
> http://www.isomedia.com/homes/cvedeler/space.htm
> Tucson, AZ
>

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