OBSERVATIONAL GUIDES AND REFERENCES Last updated: 30 April 2009

Subject:	Determining Sky Limiting Magnitude
Sent:	Wednesday, April 29, 2009 07:17:09
From:	Erwin Matys (erwin@matys.at)
We made up a handy tool for naked eye limiting magnitude estimations. It
is a self-explaining two-page document (PDF) that can be printed and used in
the field. The method is simple yet accurate and can be applied even by
rookies. It is based on the IMO star count method, although we took the
freedom of making some selections to increase usability.

Please feel free to post the link or distribute the document
on your website.

Erwin
http://project-nightflight.net

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