[AZ-Observing] Re: By The Light of The Southerly Moon

Mark,

Was it the June issue of S&T? Just read in Fed Schaff's column about the
cycle you refer to. HE referring to the shift tin declination of Eltanin
(Gamma Draconis) first noted by James Bradley in the 1720's.

Page 50 of the June 05 issue.

Interesting.

Rick Tejera
Editor SACnews
Saguaro Astronomy Club
Phoenix, Arizona
saguaroastro@xxxxxxx
www.saguaroastro.org


-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Mark Wyzenbeek
Sent: Wednesday, April 27, 2005 9:12 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: By The Light of The Southerly Moon

I wish I could remember where I read about this.  The current extreme 
north and south movements of the Moon are part of a cycle that repeats 
every 18.6 years.  Last month the 1st quarter Moon was almost straight 
up.  I think it lasts just the 2 months.  It'll be late 2023 before we 
see the Moon so far from the ecliptic again.  It's cool to understand 
the sky!

Mark


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