(meteorobs) Perseid meteors from So. California

Gural, Peter S. PETER.S.GURAL at saic.com
Sun Aug 21 17:00:16 EDT 2005


Hi all;

Here is my report for visual observations in southern California on August
13, 2005. A third great night in a row with Bob Lunsford and Joe Assmus. I
am just about finished processing the 18 hours of tape collected on August
12 using MeteorScan.  Still no obvious enhancement of Perseid activity
around 8-9 UT. Should know for sure in a few days. 

Pete Gural
Sterling, VA
=====================================================================

Observer: Peter Gural (GURPE) 
Date: 05-Aug-13 Mean Solar Long: 140.660 
Begin Time (UT) 745 End Time (UT) 1145 

LOCATION: Japatul Helipad, USA 
LONG: 116 40' 04" W LAT: 32 44' 52" N 
Elevation: 753 m (2472 ft) 
METHOD: Visual/Cassette Recorder 

Showers Observed 
PER   03:08 (047) +59, 19-20-31-36  106 Total 
SPO                              6-12-13-19  50  Total 
Hourly Counts              25-32-44-55  156 Total 
--------------------------- 
Period 1  0745-0845 UT 
Weather: 58F (14C) 86% Humidity 
F = 1.00 (0% Clouds) Mean LM 6.4 
FOV 340d +70   TOTAL TeFF: 0.95 
Mean Solar Long: 140.608 

Magnitude Distribution 
PER -1 (1), 0 (4), +1 (6), +2 (3), 
       +3 (2), +4 (3), +5 (0)  Mean +1.53  Total 19 
SPO +1 (2), +2 (0), +3 (3), +4 (1), +5 (0)  Mean + 2.17  Total 6 
Meteors Observed: 25 
---------------------------- 
Period 2  0845-0945 UT 
Weather: 58F (14C) 89% Humidity 
F = 1.00 (0% Clouds) Mean LM 6.4 
FOV 355d +70   TOTAL TeFF: 0.92 
Mean Solar Long: 140.648 

Magnitude Distribution 

PER -4 (1), -3 (1), -2 (0), -1 (0), 0 (2), +1 (5), +2 (3), 
       +3 (6), +4 (1), +5 (1)  Mean +1.55  Total 20 
SPO -1 (1), 0 (0), +1 (2), +2 (2), +3 (6), 
       +4 (1), +5 (0)  Mean + 2.73  Total 12 
Meteors Observed: 32 
--------------------------- 
Period 3  0945-1045 UT 
Weather: 59F (15C) 82% Humidity 
F = 1.00 (0% Clouds) Mean LM 6.4 
FOV 010d +70   TOTAL TeFF: 1.00 
Mean Solar Long: 140.688 

Magnitude Distribution 

PER -2 (1), -1 (3), 0 (8), +1 (7), 
       +2 (5), +3 (6), +4 (1), +5 (0)  Mean +1.10  Total 31 
SPO 0 (1), +1 (2), +2 (3), +3 (4), +4 (3), +5 (0)  Mean +2.46  Total 13 
Meteors Observed: 44 
--------------------------- 
Period 4  1045-1145 UT 
Weather: 58F (14C) 85% Humidity 
F = 1.00 (0% Clouds) Mean LM 6.4 
FOV 025d +70   TOTAL TeFF: 0.97 
Mean Solar Long: 140.728 

Magnitude Distribution 

PER -5 (1), -4 (0), -3 (0), -2 (0), -1 (4), 0 (4), +1 (10), 
       +2 (6), +3 (8), +4 (2), +5 (1)  Mean +1.39  Total 36
SPO 0 (2), +1 (0), +2 (6), +3 (6), +4 (2), +5 (3)  Mean +2.79  Total 19
Meteors Observed: 55
----------------------- 
Total Magnitude Distribution 
PER -5 (1), -4 (1), -3 (1), -2 (1), -1 (8), 0 (18), +1 (28), 
       +2 (17), +3 (22), +4 (7), +5 (2)  Mean +1.36  Total 106 
SPO -1 (1), 0 (3), +1 (6), +2 (11), +3 (19), 
       +4 (7), +5 (3)  Mean +2.54  Total 50 
Meteors Observed: 156 






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