[AZ-Observing] Re: Thin Moon on Thursday evening
- From: Michael Collins <cal_donley@xxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Mon, 11 Feb 2008 00:47:17 -0700
Steve Coe wrote:
> On Thursday, Feb. 7 from the Antennas site near Quartzsite I saw a very thin
> Moon at 18:45 MST. I first spotted it with 8X42 binoculars, pointed the
> refractor at it and could look down the tube of the scope and see it naked
> eye. This was for only 2 minutes or so before it set over the distant
> mountains. There were two breaks in the wire thin crescent that ran for
> about 120 degrees of arc.
>
> So, my question is: how many hours had elapsed since New Moon? Or, how
> young was this very thin Moon at that date and time, given as hours old? I
> can't get either of the planetarium programs to give me that information in
> that format. If someone else has a program other than Sky Map Pro or
> Starcalc that will supply that info, I would like to hear about it.
Why not trust the pros? They've got bigger computers.
<http://aa.usno.navy.mil/data/docs/MoonPhase.php>
I calculate that you saw the Moon 22:01 after new.
-- Mike --
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cal_donley@xxxxxxx
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