RE: [APML] C/2001 Q4

["Dale Ireland" <direland@drdale.com>]

 Stuart 
It isn't too hard to guide on the comet. It has a bright, star-like nucleus.
You can also take short sidereal rate images and layer them together. I used
both techniques for this image with a Nikon 500f/4 lens. Layered 120 sec.
exposures. The only difference is this is a Nikon D70 digital SLR camera :(
but the results are the same as film

ISO1000
http://www.drdale.com/temp/neat0513a.jpg

iSO400
http://www.drdale.com/temp/comet49.jpg

Dale

-----Original Message-----
From: astro-photo-bounces@seds.org [mailto:astro-photo-bounces@seds.org] On
Behalf Of Stuart Heggie

How hard is it to guide on the comet nucleus? I have a similar guide setup
but didn't have the nerve to try that.



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