Re: [APML] Comet Neat May22 - Schmidt Shot

[Chris Schur <comets133@yahoo.com>]

Geoff, its nice to see the comet in context such as
you image- in the evening twilight glow with the
setting sun last embers.

Chris
--- Geoff Powers <astropix@att.net> wrote:
>  Chris Schur writes:
> > Dominic, that fuji is yuky stuff!
> 
>  hEh cHRis...
> 
>      I think it would be wonderful to step into my
> back yard and get such a shot on this 'yuky
> stuff'...   ;-)   my tripod shot with the 800 speed
> version of this '4th Layer' junk isn't too swift,
> however... see:
> 
>      
> http://home.att.net/~astropix/NEAT_Q4_tripod_web.jpg
> 
> ... your big Schmidt, APOD shot is much mo' better
> than the Fuji film shot... as you know!
> 
>      I was back at Brasstown last night (05/23/04)
> and did multiple focal lengths with 'Supra 400' and
> some 400mm shots with 'Provia 400F'... films are
> developed and the longer focal lengths look
> promising on the light box.
> 
>      The growing crescent moon fogged the film for
> the 200mm lens, which was at f4. I also shot 300mm,
> 400mm, and 525mm... all at f5. The slight increase
> in focal ratio suppressed the moon light on the
> longer f-ratio shots... gradients are manageable on
> these. Last outing, my 200mm prevailed... this time
> -- it was junk !!!
> 
>      I first did some 3 1/2 minute exposures, at
> sidereal, to get a background. I then did a
> bracketed sequence from 8 -- 15 minutes, guided on
> the comet nucleus. I hope to composite some of the
> higher-res comet images with the background
> fields... I have over a dozen successful images, at
> three different focal lengths to sort through...
> wish me luck on that one !!!
> 
>  Best...   :o)
> 
> --
>  Geoff
> 
> http://home.att.net/~astropix/
> 
> 
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