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2010 Perseid shower



 
 
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  #1  
Old August 2nd 10, 05:37 PM posted to uk.sci.astronomy
CJ
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Posts: 21
Default 2010 Perseid shower

Hi all,
Now is the time to start thinking about the Perseid meteor shower. It will
be visible under UK clear skies from now up to its predicted peak on August
12 th. You should be able to see a few per hour from now and with the Moon
rising after midnight on the 5 th August and rising later on each morning
after and waning all the time so only your site light pollution will hinder
you. The number will gradually increase as the max approaches. To find the
radiant go outside at 2 30 pm BST and stand with your back to the Sun. The
shadow cast by your body points in the azimuth direction of radiant at 10 30
pm BST. The altitude of the radiant is 30 degrees at this time , so 1/3 from
horizon to your overhead point..

You will not see the trails start from this point but about 30 degrees away
from this point. Remember where they started and where they finished and
then draw an imaginary line from the end of the trail to the beginning and
extend it further back. You will find that the different trails cross a
single point. You will also see some sporadic meteors which are not related
to the shower and will appear to come from a different point than the
radiant you are watching.

Do not forget that over a few hours viewing the radiant moves just as a star
does For further help may I suggest you visit cloudbait.com for information
of 2009 sightings and other useful points about the Perseid shower. Get well
wrapped up it will get chilly laid out on a deckchair etc. All you need is
to be comfortable and in a dark location. Perhaps the photographers in the
newsgroup could give advise on how to capture on a DSLR camera the trails of
them!



  #2  
Old August 2nd 10, 09:02 PM posted to uk.sci.astronomy
James Harris
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Posts: 46
Default 2010 Perseid shower

On 2 Aug, 17:37, "CJ" wrote:

.... (Perseids)

Many thanks for posting the reminder. It's prompted me to as a couple
of questions.

1. Any recommendations for the best lightweight fold-flat chair for
meteor watching? I'd like something that's both light and flat for
taking in a motorhome or caravan where weight and storage space are
both at a premium. Apart from being too heavy deckchairs are not ideal
unless augmented with a pillow, IMHO! I've seen some very lightweight
foldable chairs that were much lighter than deckchairs but their
backrests don't go back far enough and they had nothing to support a
person's head. Anyone found the ideal chair?

Perhaps the photographers in the
newsgroup could give advise on how to capture on a DSLR camera the trails of
them!


2. Some time ago on TSAN they showed a bit of electronics which
emitted a sound as a meteor burned up in the atmosphere. Something to
do with reflected TV station signals. Anyone know of a prebuilt unit
or a good kit to do that?

James
  #3  
Old August 3rd 10, 07:59 AM posted to uk.sci.astronomy
David Entwistle[_4_]
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Posts: 12
Default 2010 Perseid shower

In message 1uC5o.3773$Ra3.3114@hurricane, CJ
writes
Perhaps the photographers in the newsgroup could give advise on how to
capture on a DSLR camera the trails of them!


There's some advice regarding imaging meteors he

http://www.popastro.com/sections/met...teorphotv1.htm

Good luck,
--
David Entwistle
  #4  
Old August 3rd 10, 08:03 AM posted to uk.sci.astronomy
David Entwistle[_4_]
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Posts: 12
Default 2010 Perseid shower

In message
,
James Harris writes
2. Some time ago on TSAN they showed a bit of electronics which
emitted a sound as a meteor burned up in the atmosphere. Something to
do with reflected TV station signals. Anyone know of a prebuilt unit
or a good kit to do that?


There are some notes regarding radio meteor observation he

http://www.popastro.com/sections/meteor/2009/radio.htm

There are may types of suitable radio equipment - I use an Icom PCR1000.
The analogue TV transmitters used as the targets are getting fewer and
fewer, but there are lower power alternatives.

See also he

http://www.rmob.org/livedata/main.php

and he

http://www.imo.net/radio

Good luck,
--
David Entwistle
  #5  
Old August 3rd 10, 02:45 PM posted to uk.sci.astronomy
James Harris
external usenet poster
 
Posts: 46
Default 2010 Perseid shower

On 3 Aug, 08:03, David Entwistle wrote:
In message
,
James Harris writes

2. Some time ago on TSAN they showed a bit of electronics which
emitted a sound as a meteor burned up in the atmosphere. Something to
do with reflected TV station signals. Anyone know of a prebuilt unit
or a good kit to do that?


There are some notes regarding radio meteor observation he

http://www.popastro.com/sections/meteor/2009/radio.htm

There are may types of suitable radio equipment - I use an Icom PCR1000.
The analogue TV transmitters used as the targets are getting fewer and
fewer, but there are lower power alternatives.

See also he

http://www.rmob.org/livedata/main.php

and he

http://www.imo.net/radio


Great links, thanks.

James
 




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