Re: [APML] New Images Posted

["Jim Janusz" <jjanusz@dc.rr.com>]

Hey John, for someone who doesn't get out much you sure have been busy.
It's nice to see really good film images.  Our little film list seems to go
to the dark side so often, me included, that you forget what a great film
E200 is.  Sure wish Kodak made it in 4x5 sheets.

Of all the great images you posted, the star trail from the San Mateo's is
my favorite.  The trees are in such sharp focus did you add them later?  (G)

Jim
----- Original Message ----- 
From: "Jon Kolb" <jkolb@datawest.net>
To: "'Discussion of Film Astrophotography'" <astro-photo@seds.org>
Sent: Tuesday, October 05, 2004 8:11 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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