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(meteorobs) Pre-Dawn Rates July 19/20
After eight days of rain and overcast skies, the clouds fled from
approaching high pressure Tuesday morning allowing me a good 2+ hrs of
teff just before dawn. Rates were definitely higher than the last time I
observed, well over a week ago. In fact, I saw 11 meteors in the 25
minutes between 07:04 and 07.29 UT.
At 08:45 UT I punctuated the silence of the piney woods with a loud
"Whoop!" as twin Perseids appeared simultaneously (less than .5 seconds
apart - Zip! Zip!) barely 10 degrees apart from each other, with long
trains. While they were not that bright (I gave them both +3's) the
sight of the two of them zooming along, one racing beside and behind the
other, was truly impressive!
As a new observer, with so many radiants active at once, I had
prepared myself to observe for CAP's, PAU's, and of course, PER's. I
overlooked the SDA's, but will atone for this on my next session. I did
not identify any PAU's but a prime CAP candidate appeared at 7:17 UT. I
have listed this meteor as is, rather than SPO....I wonder if that's
okay for the meteor count method?
OBSERVER: Kim S. Youmans (YOUKI)
DATE: 07-19/20-99
BEGIN: 06:49 UT END 09:15 UT LOCATION: Treutlen Co, Ga.
82. 24' 25" W; 32. 24' 45" N
METHOD: Tape Elev 240 ft
Facing SSE 2 periods
Sky 0% obscured both periods
Period 1 06:49 - 07:55 UT PAU(0) CAP(1) PER(2) SPO(13) Teff = 1.0
Period 2 08:00 - 09:15 UT PAU(0) CAP(0) PER(3) SPO(11) Teff = 1.18
Center FOV
07:00 22hr -5 deg
08:00 23hr20min +4 deg
09:00 0hr +7 deg
Dead time p1-06min; p2 - 4min 1 break=5min
LM's 6:55 UT +6.31 (IMO 5); +6.44 (IMO 6)
7:30 UT +6.31 (IMO 5); +6.47 (IMO 6)
8:00 UT +6.02 (IMO 5); +6.25 (IMO 6)
8:30 UT +5.98 (IMO 5) +6.17 (IMO 6)
9:00 UT +5.53 (IMO 5); +5.80 (IMO 6)
Mag Distribution
CAP +2(1)
PER +3(4) +4(1)
SPO 0(1) +1(3) +2(6) +3(5) +4(3) +5(6)
Period 1 (Time, Shower, Mag, Speed)
1 06:52 SPO +2 3
2 07:04:12 SPO +3 3
3 07:04:30 SPO +3 4
4 07:10 SPO +3 2
5 07:12 PER +3 4 very brief train
6 07:17 CAP +2 2 yellow
7 07:18 SPO +3 5
8 07:20 SPO +2 3
9 07:21 SPO +5 3
10 07:22 SPO +1 3
11 07:25 SPO +5 4
12 07:29 SPO +2 3 very brief
13 07:39:40 SPO +2 3
14 07:39:55 SPO +1 3
15 07:49 PER +2 5
16 07:53 SPO +2 5
Period 2 (Time, Shower, Magnitude, Speed)
17 08:01 SPO +3 4
18 08:13 SPO +5 4
19 08:14 PER +4 5
20 08:28:10 SPO 0 4 train
21 08:28:42 SPO +1 3 train
22 08:34 SPO +4 3
23 08:39 SPO +5 5
24 08:45:25 PER +3 5 Twin; train
25 08:45:25 PER +3 5 Twin; train
26 08:55 SPO +5 4
27 09:00 SPO +4 4
28 09:01 SPO +5 4
29 09:02 SPO +4 4
30 09:07 SPO +2 3 very brief
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