Charles,
>>Over 10 years ago, our observatory had TMAX3200 as fairly standard film,
>>except for some nutty experiments with Technical Pan.
>>
>
> 3200. wow, everthing I've read so far calls for slow film. How is the
> grain on that stuff?
The grain was big :) But then we were shooting straight through a 25cm
Kutter scope (5000mm/f20 for us photographers) with no guiding scope,
and the motor wasn't too accurate. Technical Pan, later on, was used
with a 300mm or larger mounted on that scope, using the scope itself to
track.
In any case, I don't really consider those days to be a reference in
astrophotography. In the beginning, we didn't even use a thermometer in
the dark room, so most stuff came out pretty gray. But after a couple
of years, after I had already quit, a few people did manage to get
really impressive shots of some simpler things (moon, Pleiads, ...) and
okay shots of nebulae etc. No Sky&Telescope stuff, but quite decent.
Try shooting in colour too, it's interesting.
--
Peter Leyssens
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