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Re: [OM] exposure for star photos

Subject: Re: [OM] exposure for star photos
From: "George M. Anderson" <george@xxxxxxxxxxxxxxxxxx>
Date: Thu, 02 Sep 1999 01:35:52 -0700

Christopher Biggs wrote:
> 
> Acer Victoria <siddim01@xxxxxxxxxxxxxxx> moved upon the face of the 'Net and 
> spake thusly:
> 
> > I never remember to get something from the library. So, anyone know what
> > shutter/aperture settings to use to capture constellations or just
> > the> night sky? I'm currently loaded with my last or second to last roll
> > of Superia 400 (after that, I'm going E6). The night skies are getting
> 
> Stars are a point source---f/stop is irrelevant 

Have to disagree. F/stop very relelvant due to lens imperfections at
wide open apertures.

> Expect trails around 1-2cm long on a 10x15cm print if you expose for 30sec.

This sounds about right.


george

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