RE: [APML] Another M42 - again

[Steve <sc02492@yahoo.com>]

Clay, I second Jeff's comments.  Very nice work!   I
used the Orion Sky Glow (broadband) filter on mine,
with Kodak RG400 Select film, and noticed only a minor
shift towards the magenta end that was corrected by
post-processing.   What film are you using?

I  think that the IDAS filter would be better, but at
the moment I'm not ready to pay the extra $$$.  With
the LX90 at f5, I can't get the Running Man Nebula in
the FOV, so I'll have to wait until next year to make
a mosaic.

Thanks for the comment on my M42.  I think it's
improved with Jeff's advice.

Steve Cannistra


--- Jeff Ball <jeffball@zoominternet.net> wrote:
> Clayton,
> That is very nice!  Not much to suggest.  Perhaps a
> little more color
> balance favoring green, a little less blue in the
> low levels.  Very minor
> adjustments.  It looks great as is. 
> Congratulations.  I am not aware of a
> standard color adjustment.  It would be dependent on
> the film as well I
> guess.  You have done a wonderful job with this.
> 
> Jeff Ball
> www.astro-photography.com
> 
> -----Original Message-----
> From: astro-photo-bounces@seds.org
> [mailto:astro-photo-bounces@seds.org]On Behalf Of
> Clayton Kessler
> Sent: Sunday, March 09, 2003 4:55 PM
> To: Discussion of Film Astrophotography
> Subject: [APML] Another M42 - again
> 
> 
> I have been reading the discussions about Steve's
> wonderful M42 with a great
> deal of interest.  I have been using the suggestions
> made to him to process
> this M42 that I took mainly last Sunday night.  I
> took all of these shots
> through a Lumicon Deep Sky filter and I was amazed
> at how much color shift
> that I got.  I have been struggling to correct this
> color shift and have
> made some progress - but not enough.  Do any of you
> have a standardized
> "correction" formula that you use to correct for
> shooting through this kind
> of filter?  Perhaps the final answer is to get the
> IDAS filter which, I
> understand, does not inject such a radical color
> shift.  The shot can be
> found here:
>
http://www.gatecom.com/~ckessler/M42%20SSO%203-2003.htm
> 
> I would appreciate any comments or suggestions.
> 
> Thanks
> Clay Kessler
> http://gatecoms.gatecom.com/~ckessler/
> 
> 
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