RE: [APML] Rho & M8M20

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

Steve,

 Nice widefield shots. I like that Provia film. I can't see any problems
with the Rho shot at the resolution you posted.

Loke



> -----Original Message-----
> From: astro-photo-bounces@seds.org
> [mailto:astro-photo-bounces@seds.org]On Behalf Of Steve Lindsey
> Sent: Friday, May 30, 2003 11:06 PM
> To: APML
> Subject: [APML] Rho & M8M20
>
>
> Here's a couple I got last weekend at RTMC.  There was a lot of
> thin clouds
> Fri night when I took these and it was my first try with my friend's 300mm
> f4.5.  I think the Rho shot was overexposed at 45 min f4.5 and it
> vignetted
> quite a bit wide open.  It did give me a great opportunity to learn one of
> Jerry's AV techniques however.  Interesting that the M8M20 shot
> showed no or
> very faint noticable vignetting at 15 min though.  Do I need to
> shot at f5.6
> for the faint stuff or just back off on exposure time?
>
> http://home.earthlink.net/%7estevelindsey/Rho.html
> http://home.earthlink.net/%7estevelindsey/M8M20.html
>
> There was also some arced star trailing at the bottom of the Rho shot but
> the worst was cropped out.  Let me know any ideas on what you folks think
> caused this.
>
> Comment always appreciated.
>
> Steve
>
>
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