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Old June 22nd 05, 05:02 PM posted to uk.sci.weather
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Default An unusual moon tonight

Jim wrote:

It's the most southerly rising it will do. It also won't rise very
high in the sky. Apart from that it's still a ******* full moon and I
hate it. Why can't it be full during cloudy weather?


There really is no pleasing some people. What on earth can you find wrong
with a full moon?



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Old June 22nd 05, 05:04 PM posted to uk.sci.weather
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Default An unusual moon tonight

Stuart wrote:
i noticed this last night at about 21:50, the moon was low to the
south and it looked maasive, i was going to stop and take a photo,
but i would have been late for work, didnt want the hassle of that!
But it was a lovely sight!


Funny thing is, if you had taken a photo the enlarged effect would have been
lost as it's an optical illusion.


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Old June 22nd 05, 05:17 PM posted to uk.sci.weather
Jim Jim is offline
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Default An unusual moon tonight

In article , Simonb wrote:
Jim wrote:

It's the most southerly rising it will do. It also won't rise very
high in the sky. Apart from that it's still a ******* full moon and I
hate it. Why can't it be full during cloudy weather?


There really is no pleasing some people. What on earth can you find wrong
with a full moon?


I'm an astronomer. Full moon means I can't view anything very dim (insert
obligatory neighbour joke here).

Viewing the full moon itself is also unsatisfying as there are no shadows
to give you perspective. Best you can observe are planets and the brighter
clusters. Oh, and some double/multiple stars.

Hates it, we do :-)

Jim
--
Find me at http://www.ursaMinorBeta.co.uk
"The voices that control me from inside my head
Say I shouldn't kill you yet." - Jonathan Coulton, 'Skullcrusher Mountain'
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Old June 22nd 05, 05:21 PM posted to uk.sci.weather
Col Col is offline
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Default An unusual moon tonight


"Simonb" wrote in message
.. .
Jim wrote:

It's the most southerly rising it will do. It also won't rise very
high in the sky. Apart from that it's still a ******* full moon and I
hate it. Why can't it be full during cloudy weather?


There really is no pleasing some people. What on earth can you find wrong
with a full moon?


Astronomers hate them

A full moon, in all it's icy glory is always spectacular in mid-winter.
Which has got me thinking, if we can have this effect in midsummer
when the moon is a few degrees lower than you might expect,
wouldn't you ocaisionally get the converse effect at a full moon at the
winter solstice when the moon would be a few degrees *higher* than
otherwise expected. Certainly higher than the sun could ever get for
your own particular latitude at the summer solstice.
Although of course it would be a lot less noticeable......

Col
--
Bolton, Lancashire.
160m asl.
http://www.reddwarfer.btinternet.co.uk
http://www.reddwarfer.btinternet.co....rPictures.html



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Old June 22nd 05, 06:08 PM posted to uk.sci.weather
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Default An unusual moon tonight


"Col" wrote in message
...

"Simonb" wrote in message
.. .
Jim wrote:

It's the most southerly rising it will do. It also won't rise very
high in the sky. Apart from that it's still a ******* full moon and I
hate it. Why can't it be full during cloudy weather?


There really is no pleasing some people. What on earth can you find wrong
with a full moon?


Astronomers hate them

A full moon, in all it's icy glory is always spectacular in mid-winter.
Which has got me thinking, if we can have this effect in midsummer
when the moon is a few degrees lower than you might expect,
wouldn't you ocaisionally get the converse effect at a full moon at the
winter solstice when the moon would be a few degrees *higher* than
otherwise expected. Certainly higher than the sun could ever get for
your own particular latitude at the summer solstice.
Although of course it would be a lot less noticeable......

Col
--
Bolton, Lancashire.
160m asl.
http://www.reddwarfer.btinternet.co.uk
http://www.reddwarfer.btinternet.co....rPictures.html



Precisely - think the full moon near the winter solstice this coming
December/January will peak at something like 67/68° above the horizon in the
South of England.

Jim, Bournemouth.




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Old June 22nd 05, 06:39 PM posted to uk.sci.weather
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Default An unusual moon tonight

In article ,
Jim Smith writes:
think the full moon near the winter solstice this coming
December/January will peak at something like 67/68° above the horizon in the
South of England.


In the unlikely event of a full snow cover it would be really
spectacular.
--
John Hall

"Whenever people agree with me I always feel I must be wrong."
Oscar Wilde
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Old June 22nd 05, 09:14 PM posted to uk.sci.weather
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Default An unusual moon tonight

Jim wrote:
In article , Simonb
wrote:
Jim wrote:

It's the most southerly rising it will do. It also won't rise very
high in the sky. Apart from that it's still a ******* full moon and
I hate it. Why can't it be full during cloudy weather?


There really is no pleasing some people. What on earth can you find
wrong with a full moon?


I'm an astronomer. Full moon means I can't view anything very dim
(insert obligatory neighbour joke here).

Viewing the full moon itself is also unsatisfying as there are no
shadows to give you perspective. Best you can observe are planets and
the brighter clusters. Oh, and some double/multiple stars.

Hates it, we do :-)

Jim


I give it up from late May to late July...
--
Rob Overfield
Hull & East Riding AS
http://www.heras.org.uk




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Old June 22nd 05, 09:38 PM posted to uk.sci.weather
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Default An unusual moon tonight


"Dave Liquorice" wrote in message
ll.com...
On Wed, 22 Jun 2005 15:16:04 +0100, Gavin Staples wrote:

Does anyone have anything on this?


It's very low, so will look big:

http://science.nasa.gov/headlines/y2...onillusion.htm

--
Cheers
Dave. pam is missing e-mail




So why doesn't the moon appear huge EVERY time it rises?



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Old June 22nd 05, 10:32 PM posted to uk.sci.weather
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Default An unusual moon tonight

On Wed, 22 Jun 2005 17:04:23 +0100, "Simonb"
wrote:

Stuart wrote:
i noticed this last night at about 21:50, the moon was low to the
south and it looked maasive, i was going to stop and take a photo,
but i would have been late for work, didnt want the hassle of that!
But it was a lovely sight!


Funny thing is, if you had taken a photo the enlarged effect would have been
lost as it's an optical illusion.

The same optical illusion will be present near moonrise and moonset at
every other full moon in every year, will it not?

--
Dave
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Old June 22nd 05, 11:36 PM posted to uk.sci.weather
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Default An unusual moon tonight


"Dave Ludlow" wrote in message
...
On Wed, 22 Jun 2005 17:04:23 +0100, "Simonb"
wrote:

Stuart wrote:
i noticed this last night at about 21:50, the moon was low to the
south and it looked maasive, i was going to stop and take a photo,
but i would have been late for work, didnt want the hassle of that!
But it was a lovely sight!


Funny thing is, if you had taken a photo the enlarged effect would have
been
lost as it's an optical illusion.

The same optical illusion will be present near moonrise and moonset at
every other full moon in every year, will it not?

--
Dave


Of course it will, Dave, but that is not news.

The particular characteristic about this full moon is that the moon has an
exceptionally high southern declination of -28d 40m, due to the position of
the moon's nodes along the ecliptic in its 18 year cycle. As a result, at
this latitude (Farnborough, Hants) it only remains above the horizon for 6h
48m and its maximum altitude is just over 10 degrees.

It so happens also that the moon is at the closest point to the earth in its
elliptical orbit tomorrow (23rd) so its apparent diameter is about 12%
greater than it was near new moon two weeks ago.

The optical illusion that occurs at moonrise and moonset will be no
different from usual however.

Regards, Roger




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