RE: [APML] Seagull and LBN1036

["Loke Tan" <tan@cox.net>]

Chris,

 The R exposure uses the number 92 filter and can take much more exposure
before reaching sky fog. It can take much more exposure than the number 25
filter. My goal was to get as deep as possible at the expense of color
accuracy. The goal is to pick up the very faint stuff. I gray balance the
image to get an approximate color correction. I can't claim that my images
are color correct by any metric.

Loke


-----Original Message-----
From: astro-photo-bounces@seds.org
[mailto:astro-photo-bounces@seds.org]On Behalf Of Chris Schur
Sent: Sunday, March 23, 2003 5:58 PM
To: Discussion of Film Astrophotography
Subject: Re: [APML] Seagull and LBN1036


Loke, outstanding once again.  I see your R exposure is quite a bit more
than normal. How do you get a good color balance if you change the mix
ratio?

Chris
----- Original Message -----
From: Loke Tan <tan@cox.net>
To: Astro-Photo@Seds.Org <astro-photo@seds.org>
Sent: Saturday, March 22, 2003 11:31 PM
Subject: [APML] Seagull and LBN1036


>
> Hi,
>
>  I have had this image for a while but only recently processed it to my
> liking. It's a deep shot of the Seagull Nebula and the surrounding region.
I
> chose to use a 92 Wratten filter for red to get the deep h-alpha regions.
>
> http://www.starryscapes.com/nebula/seagull.html
>
> You can see LBN 1036 the patch of red nebulosity at the bottom to the
right
> on cluster NGC2353. At least that is the name given to the object in
> Tirion's Atlas. I think this nebula is not commonly photographed. Comments
> are welcome.
>
> Loke
>
>
>
>
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