Hi, Donald and all.
>The M42 shot is very nice indeed.
Thanks! Most likely the merit of an accurate polar alignment...
>The 200 f4 is very sharp and coma
>free. I have not had a chance to use mine on astro subjects yet. I
>do not very often get to an area with dark enough skies. I am
>curious - what f stop and exposure time did you use?
4 minutes, wide open (f/4). On the other hand, the M31 shot was a 10 (?)
minutes exposure at f/4.5.
All the best,
...
Carlos J. Santisteban
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