-------- Original Message --------
Subject: Re: Tomorrow Night's Moon - Full, at Perigee, and 'Blue'!
Date: Fri, 29 Jan 2010 09:40:47 -0500
From: David J. Bertuca <[log in to unmask]>
To: Maps, Air Photo, GIS Forum - Map Librarianship
<[log in to unmask]>
References: <[log in to unmask]>
You have that right Paige;
I was enjoying the clear skies produced by extreme low temps and still air.
The moon was sharp and clear. it's one of the things that could make winter
fun (as long as the wind isn't blowing).
David
--On Friday, January 29, 2010 8:34 AM -0600 Angie Cope <[log in to unmask]>
wrote:
> -------- Original Message --------
> Subject: Re: Tomorrow Night's Moon - Full, at Perigee, and 'Blue'!
> Date: Fri, 29 Jan 2010 09:32:06 -0500
> From: Paige Andrew <[log in to unmask]>
> To: Maps, Air Photo, GIS Forum - Map Librarianship
> <[log in to unmask]>
> References: <[log in to unmask]>
>
>
>
> We had a very cold, and very clear winter night
> here last night with a huge, nearly-full moon. I
> was up earlier than normal (kind parent that I
> am, drove my youngest to a breakfast meeting
> across town at 6:45 a.m.) and as I got out of my
> car to go in the house caught a "moonset" that
> was awesome. Tomorrow's blue moon should be spectacular!
>
> Paige
>
> At 09:00 AM 1/29/2010, you wrote:
>> Nothing like some blue moon news. He's talking about ice cream, right?
>>
>> ;-)
>>
>> Angie
>>
>> forwarded by the way ...
>>
>> -------- Original Message --------
>> Subject: Tomorrow Night's Moon - Full, at Perigee, and 'Blue'!
>> Date: Fri, 29 Jan 2010 16:33:04 +1100
>> From: Greg and Joanna Eccleston <[log in to unmask]>
>> Reply-To: [log in to unmask]
>> To:
>>
>> For those who are interested in things
>> astronomical, tomorrow night's full moon will be of special interest!
>>
>> Full moons occur in mean periods of 29.53059
>> days, consequently there can never be more than
>> one full moon in the month of February. The
>> second full moon in any other month is an
>> unusual occurrence, and is nowadays described as
>> a 'blue moon'; Perry Vlahos in today's /Age/
>> explains the origin of this expression. This
>> year, there will be two full moons (and hence
>> 'blue moons') in both January and March!
>>
>> In its elliptical path around the Earth, the
>> Moon comes closest at perigee. The Moon returns
>> to perigee in mean periods of 27.55455 days.
>> Amazingly, 14 returns to full moon almost
>> exactly equal 15 returns to perigee: 14 ×
>> 29.53059 = 413.428 days; 15 × 27.55455 = 413.318 days.
>>
>> Using Australian Eastern Daylight Saving Time
>> (EDST), the relevant moon events for early 2010 are as follows:
>>
>> *January 2010:*
>> Full Moon 0614 hours 1/1/10
>> Full Moon ('blue moon') 1718 hours 30/1/10
>> Perigee 2004 hours 30/1/10 - distance = 356592 km.
>> (For Melbourne viewers, the Moon will rise at
>> about 2029 hours on 30/1/10). At moonrise, the
>> Moon will appear larger than normal, due to the
>> usual illusion when it appears close to the
>> horizon, but also because it is closer than normal to Earth, being at
>> perigee.
>>
>> *March 2010:*
>> Full Moon 0338 hours 1/3/10
>> Full Moon ('blue moon') 1326 hours 30/3/10.
>>
>> Greg Eccleston
>> __._,_.___
>>
>> __,_._,___
>
>
David J. Bertuca, Map Librarian
225 Capen Hall
University at Buffalo
Buffalo, NY 14260-1672
716-645-1332
716-645-3710 (fax)
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