Re: [APML] New Widefield of Orion

[Ray Butler <ray.butler@nuigalway.ie>]

Hey Stuart,

This is the same pic about which you emailed me off-list to ask my 
advice, isn't it? Wow, it came out so much better in the end! Seems like 
I was right about blaming the gradients. Could you tell us exactly what 
Serge did to get rid of them? This is a problem which vexes many of us.

Ray "who thinks that this kind of widefield film shot will keep ahead of 
the advance of CCD & CMOS for a few years more" Butler


Stuart Heggie wrote:

> Well, it has been a LONG while since I posted a film image. Here is one I've always wanted but have
> struggled to overcome light pollution to get. A special thanks to Serge Theberge who removed an
> awful gradient that was beyond my skills.
> 
> http://www.astrofoto.ca/stuartheggie/wapb_photos/Orion_50mm.html
> 
> Details: Supra400 in my Nikon F2 with 50mm f1.4 lens at 2.8. 20 minutes guided the old fashioned
> way with a 12mm reticle and my Vixen 102mm f/9.8 achromat on SuperPolaris mount.
> 
> Stuart
> 
> _______________________________________________
> Astro-Photo mailing list
> Astro-Photo@seds.org
> http://seds.org/mailman/listinfo/astro-photo

-- 
Dr. Ray Butler (ray.butler@nuigalway.ie || ray@physics.nuigalway.ie)
Lecturer, Dept. of Physics || Computational Astrophysics Laboratory
National University of Ireland, Galway, University Road, Galway, Ireland.
Tel: +353-91-524411 ext. 3788   FAX: +353-91-525700

_______________________________________________
Astro-Photo mailing list
Astro-Photo@seds.org
http://seds.org/mailman/listinfo/astro-photo