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Re: (meteorobs) Geminid Meteors
Mr. Lunsford,
Where in the Mojave were you trying to go? Is this a favorite location for
you to go to?
Robert Warren
>From: Robert Lunsford <lunro.imo.usa@home.com>
>Reply-To: meteorobs@atmob.org
>To: undisclosed-recipients: ;
>Subject: (meteorobs) Geminid Meteors
>Date: Fri, 14 Dec 2001 15:38:27 -0800
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>From owner-meteorobs-outgooing@atmob.org Fri, 14 Dec 2001 15:47:17 -0800
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>My expedition to the Mojave Desert to view the Geminids was canceled due
>to the flu bug. Skies were clear here on Dec. 12/13 but I was still
>running a fever so I decided to save all my efforts for the night of
>maximum activity. Thursday was mostly clear except for small strands of
>cirrus here and there. I had planned to watch from 10pm to 6am from Jim
>Foster's house out past Jamul. To make sure I stayed awake late tonight
>I took a good nap from 4 to 8pm. Before leaving I checked the satellite
>picture which revealed a fast moving cloud bank headed my way. I figured
>it would not arrive until midnight so I decided to still go for it.
>
>I arrived under good but cool conditions as ice soon formed on the
>sleeping bag. There must have been a thin layer of cirrus as I was only
>getting a limiting magnitude in the 6.1-6.2 range. Meteor activity was
>seen driving to to Jim's house and was producing a meteor every 45
>seconds or so when I started counting at 10pm. At 1030 it seemed to
>slack a bit as there were now longer gaps between meteors. The rates
>were still climbing though as the activity became more clustered.
>Clustered meaning 5 meteors would be seen one minute and then none for
>the next minute or two. I was facing east and there was a constant
>volley of Geminid activity between Leo and the Big Dipper. Many of these
>were quite bright up to magnitude -5. A couple of the brightest Gems
>even had trains. While most of the Geminids were pure white there where
>many notable meteors with yellow and orange hues. Yellow is not a good
>description for some of these as several were beyond yellow exhibiting a
>distinct golden color. Perhaps this is a mix of yellow and orange? I was
>also surprised on how many Geminids appeared close to the radiant, much
>more than usual it seemed.
>
>The expected clouds appeared on the scene at 1230 but were thin enough
>to allow observations to continue. Rates peaked between midnight and one
>o'clock. Observations continued until 0200 but the last hour saw
>thickening clouds which prevented me from seeing the fainter meteors.
>The limiting magnitude fell below +5.0 at 0200 so I suspended recording
>and just relaxed. By 0245 it was apparent the conditions would not
>improve so I then headed for home. Had I been in the desert I would not
>have seen a thing as the entire night was overcast there. It's raining
>right now so it appears this is all of the Geminids I will be seeing
>this year.
>
>U.T. TIME TeFF F L.M. GEMS ANT NPX SPX SPO TOTAL
>
>0600-0700 1.00 1.00 +6.09 57 0 0 0 2 59
>
>0700-0800 1.00 1.00 +6.07 69 1 0 0 5 75
>
>0800-0900 1.00 1.00 +5.85 77 1 1 0 5 84
>
>0900-1000 1.00 1.00 +5.37 54 3 1 2 3 63
>
>TOTALS 4.00 1.00 +5.84 257 5 2 2 15 281
>
>Magnitudes:
>
>GEM: -5 (2) -4 (3) -3 (6) -2 (7) -1 (29) 0 (51) +1 (56)
> +2 (50) +3 (42) +4 (27) +5 (8) +6 (0) AVE: +1.23
>
>ANT: 0 (1) +1 (3) +2 (0) +3 (1) +4 (0) +5 (0) +6 (0) AVE: +1.20
>NPX: 0 (1) +1 (1) +2 (0) +3 (0) +4 (1) +5 (0) +6 (0) AVE: +2.50
>SPX: 0 (0) +1 (0) +2 (1) +3 (1) +4 (0) +5 (0) +6 (0) AVE: +2.50
>SPO: 0 (3) +1 (0) +2 (1) +3 (4) +4 (5) +5 (2) +6 (0) AVE: +2.93
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>If you are interested in complete links on the 2001 LEONIDS, see:
>http://www.meteorobs.org/storms.html
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