| Subject: | Re: [OM] (OT) Field Glasses recommendations - Chuck comments on exit pupil diameter |
|---|---|
| From: | Jez Cunningham <jez@xxxxxxxxxxxxxx> |
| Date: | Sat, 27 Dec 2014 17:40:41 +0000 |
Orion is dead handy - the standard way to evaluate "how dark your sky is" is by counting how many stars you can see inside the quadrilateral formed by the four corner stars. Jez On 27 December 2014 at 14:53, Michael Gordon via olympus < olympus@xxxxxxxxxxxxxxxxx> wrote: > Thanks Chuck, > Inquiry away. Always was fond of Orion. > > Mike -- _________________________________________________________________ Options: http://lists.thomasclausen.net/mailman/listinfo/olympus Archives: http://lists.thomasclausen.net/mailman/private/olympus/ Themed Olympus Photo Exhibition: http://www.tope.nl/ |
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