Re: [APML]: [APML] GM-8 Polar Alignment Scope

["Robin Casady" <rcasady@CarmelCoast.com>]

The Astro-Photography Mailing List
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>If you are talking about the "three slid lines with gaps" that I think you are,
>it is my understanding, from a dealer at Astrofest, that the gap at "place
>second star here" is for 1990; next line/gap is for 2000, and third line/gap is
>for 2010. They are to adjust for precession, and suggest that we should be using
>the center gap, given that 1998 is closer to 2000 than to 1990.

Good point, but those are not the "three" I was talking about. There is one
solid line with a gap for Polaris. There are two more solid lines with gaps.
One is for the second star, the other is for the third star. These other two
lines each have the extra "year" lines.

Robin Casady
http://www.CarmelCoast.com

Casady & Greene, Inc.
http://www.casadyg.com