FreeLists / az-observing / [AZ-Observing] Re: Thin Moon on Thursday evening

[Michael Collins <cal_donley@xxxxxxx>]

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 --
-- 
cal_donley@xxxxxxx
--
See message header for info on list archives or unsubscribing, and please 
send personal replies to the author, not the list.