Telescope Reviews: Is there a website/app that gives the lunar cycle.

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cphk96
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Reged: 11/01/07

Loc: North Hollywood, CA

Is there a website/app that gives the lunar cycle. new
#5665029 - 02/06/13 11:24 AM

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Hello Everyone

Is there a website/app that gives the lunar cycle, down to the hour?

I would like to do the Astronomical League's Lunar Observing program, but I believe that they want observations on a 7 hour moon.

Please help me.
Chris

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dan777
professor emeritus

Reged: 11/16/07

Loc: Indiana

Re: Is there a website/app that gives the lunar cycle. new [Re: cphk96]
#5665934 - 02/06/13 07:57 PM

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It's not a website, but Virtual Moon Atlas gives it to 0.01 day (0.24 hour).
http://sourceforge.net/projects/virtualmoon/

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IcecreamLtDan
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Reged: 06/21/12

Loc: Jacksonville, N.C.

Re: Is there a website/app that gives the lunar cycle. new [Re: dan777]
#5665987 - 02/06/13 08:49 PM

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Here's the one I have on my android tablet.

Phases of the Moon Pro

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desertstars

Reged: 11/05/03

Loc: Tucson, AZ

Re: Is there a website/app that gives the lunar cycle. new [Re: dan777]
#5666094 - 02/06/13 09:53 PM

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Quote:

It's not a website, but Virtual Moon Atlas gives it to 0.01 day (0.24 hour).
http://sourceforge.net/projects/virtualmoon/

I relied heavily on the VMA when I worked through the AL Lunar I. Highly recommended.

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azure1961p
Postmaster

Reged: 01/17/09

Loc: USA

Re: Is there a website/app that gives the lunar cycle. new [Re: desertstars]
#5666187 - 02/06/13 10:45 PM

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Oh gosh yeah.

Moon HD comes to mind, though Moon Calendar is good too . I forget if the latter was iPhone or Droid. Apples AppStore has many many many a moon app.

Pete

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Centaur
Vendor

Reged: 07/12/04

Loc: Chicago

Re: Is there a website/app that gives the lunar cycle. [Re: cphk96]
#5666284 - 02/07/13 12:00 AM

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Quote:

Is there a website/app that gives the lunar cycle, down to the hour?

I would like to do the Astronomical League's Lunar Observing program, but I believe that they want observations on a 7 hour moon.

I suspect they meant 7° elongation of the Moon from the Sun, rather than seven hours since conjunction which is rather unreasonable. The Moon separates from the Sun at roughly 0.5° per hour. The age of the Moon (current lunation) is traditionally measured from the time of its geocentric conjunction with the Sun in ecliptical longitude. The next such conjunction for a Dark (new) Moon will occur on 2013 FEB 10 at 07:20 UT. With that knowledge you will easily be able to determine the Moon’s “age”. I’ve written a detailed article and prepared graphics for spotting the February New Moon: www.CurtRenz.com/moon

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