Re: [APML] OK, I finally did it: FIRST FILM SHOT,IC1396/NGC7000 widefield

[George Anderson <georgea@cam.org>]

Really nice shot, especially for a first time.
Welcome to the darker of the dark sides.

George Anderson
Montreal Canada

Clear skies and good health

> Richard Crisp wrote:
> 
> Jeff Crilly's excellent results he's been getting using his Pentax 6x7
> camera while setting up alongside me at Fremont Peak has finally
> motivated me to give film a try.
> 
> So I recently picked up a used Pentax 6x7 camera off AstroMart from
> Gary Heath, bought out his total supply of Fuji HG 400ISO film (stored
> in freezer for 8 years by Steve Mandel according to Gary) and gave it
> a try.
> 
> My first attempt was IC1396 using a Pentax Takkunar 150mm f/2.8 lens.
> I had it piggybacked atop my little Takahashi FCT76 scope that I shoot
> my widefield shots with.
> 
> I took a wild guess that 40 minutes would be an appropriate exposure
> time, gave it my best guess in terms of focus and "let 'er rip".
> 
> After waiting about a week to process the film, I was disappointed
> that the fellow at the camera shop didn't print the one and only
> astroimage on the roll. I guess he thought it was a skip.
> 
> Another week went by and I finally hooked up with Jeff Crilly who has
> a scanner that can scan this stuff.
> 
> So here is the very astro film shot I have taken:
> 
> http://www.narrowbandimaging.com/ic1396_film_page.htm
> 
> I severely reduced it in an attempt to hide the film grain.
> 
> Although this isn't a particularly good shot, it is good enough to
> encourage me to do some more of this.
> 
> I guess I need to buy a real scanner and maybe try some other types of
> film. I can see that this could be fun.
> One peculiar aspect of the shot is that in the NGC7000 area the stars
> seem to be streaked as if the guiding was bad, but the rest of the
> image doesn't show this problem. I am guessing this is plain old
> fashioned field rotation and the further from the pole the worse the
> rotation. Since it was a 40 minute exposure I would imagine that if my
> alignment wasn't perfect, I'd see some rotation.
> 
> Can someone confirm this theory?
> 
> Comments welcome.
> 
> Richard Crisp
> 
> 
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