Re: [APML] New Images Posted

["Chris Cook" <ccjd@ix.netcom.com>]

Good stuff Jon.  I like the Cygnus widefield shot.  A classic framing which
I never get tired of seeing.

Chris

-----------------------------
Chris Cook Photography
www.cookphoto.com


----- Original Message ----- 
From: "Jon Kolb" <jkolb@datawest.net>
To: "'Discussion of Film Astrophotography'" <astro-photo@seds.org>
Sent: Tuesday, October 05, 2004 11:11 PM
Subject: [APML] New Images Posted


> Finally some new material!  I hadn't been out since February, and that
> trip was a bust, so at long last here are a few new film images, taken
> during adventures in three states.
>
> This one is a composite of a Provia 400F shot done at Hovenweep National
> Monument in Utah back in January with an E200 shot done a couple of
> weekends ago out on the eastern Colorado plains.  Both are 75 minutes
> with the TMB 152, pushed one stop.  I tried a new technique for
> combining the images this time.  After registering the images in
> Registar, I made a mask of the stars, then added the two shots instead
> of blending them, using the mask to keep from adding the stars and
> blowing them out.  It turned out alright, I suppose.  There was a little
> water vapor in the air on the 400F shot, but it seemed to help the final
> image more than it hurt it.
> http://home.datawest.net/jkolb/ic405-410_tmb152.htm
>
> I haven't had a decent shot of Gamma Cygni up for awhile, so here's an
> attempt with the TMB 152.
> http://home.datawest.net/jkolb/gamma_cygni_tmb152.htm
>
> This is one you don't see often, and it took several attempts over the
> last year to get even a marginal shot like this.  There is some
> trailing, and the color balance looks a bit off, but this one is as good
> as it's going to get for now.  I probably won't keep shooting this one,
> but if I do I'll use some Provia 400F to try and get more of vdB 140 in
> the lower right. Perhaps John Mirtle has done a better job of this one
> on Tech Pan - it seems like a target he might shoot.
> http://home.datawest.net/jkolb/sharpless_2-129.htm
>
> Here's a widefield shot with the Pentax 67 and 200mm f/4 lens at f/5.6.
> This one came out very crisply, and shows what this lens is capable of
> during periods of terrific seeing. 40 minutes on E200, manually guided.
> Registar says there are 169,762 stars in the frame!
> http://home.datawest.net/jkolb/cygnus_200mm6x7.htm
>
> This one shows a familiar area around IC1396 and includes Sharpless
> 2-129 that was shot with the TMB 152.  It looks like the Barnard objects
> and rampant nebulosity east of IC1396 might make a good subject for the
> big refractor - one reason I like to take widefield shots like these.
> Another 40 minute shot on E200, manually guided.
> http://home.datawest.net/jkolb/southern_cepheus_200mm6x7.htm
>
> Here's another survey shot.  I wanted to see if there was anything worth
> shooting at longer focal length around Sharpless 2-205 way down in the
> lower left.  vdB14 and vdB15 near the center of the frame are almost
> there, but has anyone else ever noticed the faint bubble of nebulosity
> just west of these objects and ESE of IC1848? It's pretty faint, but
> it's there.  This was manually guided for 45 minutes on E200.  Registar
> says there are a whopping 176,649 stars in this one - almost hard to
> believe and I wonder if it's counting hot pixels or something.  Still, I
> love all the stars in this shot.
> http://home.datawest.net/jkolb/cassperscam_200mm6x7.htm
>
> And finally, what adventure would be complete without a star trails
> shot.  This one is of a big tree of unknown species (to me, anyway) at
> the site I've used a few times now in the San Mateo Mountains, Cibolla
> National Forest, New Mexico.  This place is the darkest site I've used,
> south of the VLA and southwest of Socorro.
> http://home.datawest.net/jkolb/san_mateo_mountains.htm
>
> Comments, constructive criticism, and inveterate tinkering are welcome
> as always.
>
> Sincerely,
> Jon Kolb
> Adventures in Astrophotography
> http://home.datawest.net/jkolb/
> Life Member, International Dark-Sky Association
> jkolb@datawest.net
>
>
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