I was off work Monday morning so I thought I would take advantage of the clear skies and view some meteor activity. Despite the good sky I was a bit disappointed in the rates as I only counted 11 meteors during the 2 hour session. 9 of these meteors were sporadic, 1 Anthelion, and only 1 eta Aquariid were seen. I was especially disappointed in the ETA rates as I thought for sure that they would be in the 3-5 per hour range. The highlight of the session was the first meteor seen, a 1st magnitude sporadic that mimicked an ETA but was much too short and fast to be an ETA at that hour.

Observer: Robert Lunsford (LUNRO)
Date: 17-May 01 Mean Solar Long: 040.999
Beginning Time (UT) 0930 Ending Time (UT) 1130
Total TeFF: 2.00

LOCATION: Blossom Valley, CA, USA
LONG: 116 51' 37" W LAT: 32 51' 44" N
Elevation: 290 m Bortle Scale: Class 4: Rural/suburban transition
Beginning Temperature/Relative Humidity: 58F (14C) 28%
Ending Temperature/Relative Humidity: 58F (14C) 32%

METHOD: Visual Recording on Tape/Video Recording

Showers Observed
ANT 15:32 (233) –19 01-00 01 Total
ETA 22:20 (335) –02 00-01 01 Total
SPO 04-05 09 Total

Hourly Counts 05-06 11 Total

Period 1 0930-1030 UT
F = 1.00 (0% Clouds) Mean LM 6.13
FOV 285 +20 TOTAL TeFF: 1.00
Mean Solar Long: 040.987

METEOR DATA:

ANT 1, ETA 0, SPO 4 TOTAL 05

Magnitude Distribution
ANT +3 (1) Mean +3.00

SPO –1 (1) +1 (1) +2 (1) +4 (1) Mean + 1.50

Period 2 1030-1130 UT
F = 1.00 (0% Clouds) Mean LM 6.12
FOV 300 +20 TOTAL TeFF: 1.00
Mean Solar Long: 041.027

METEOR DATA:

ANT 0, ETA 1, SPO 5 TOTAL 06

Magnitude Distribution
ETA +3 (1) Mean + 3.00

SPO +1 (2) +2 (1) +3 (2) Mean + 2.00

Total Magnitude Distribution
ANT +3 (1) Mean +3.00
ETA +3 (1) Mean + 3.00
SPO -1 (1) 0 (0) +1 (3) +2 (2) +3 (2) +4 (1) Mean + 2.50

I was off work Monday morning so I thought I would take advantage of the clear skies and view some meteor activity. Despite the good sky I was a bit disappointed in the rates as I only counted 11 meteors during the 2 hour session. 9 of these meteors were sporadic, 1 Anthelion, and only 1 eta Aquariid were seen. I was especially disappointed in the ETA rates as I thought for sure that they would be in the 3-5 per hour range. The highlight of the session was the first meteor seen, a 1st magnitude sporadic that mimicked an ETA but was much too short and fast to be an ETA at that hour. ------------------------------------------------------- Observer: Robert Lunsford (LUNRO) Date: 17-May 01 Mean Solar Long: 040.999 Beginning Time (UT) 0930 Ending Time (UT) 1130 Total TeFF: 2.00 LOCATION: Blossom Valley, CA, USA LONG: 116 51' 37" W LAT: 32 51' 44" N Elevation: 290 m Bortle Scale: Class 4: Rural/suburban transition Beginning Temperature/Relative Humidity: 58F (14C) 28% Ending Temperature/Relative Humidity: 58F (14C) 32% METHOD: Visual Recording on Tape/Video Recording -------------------------- Showers Observed ANT 15:32 (233) –19 01-00 01 Total ETA 22:20 (335) –02 00-01 01 Total SPO 04-05 09 Total Hourly Counts 05-06 11 Total --------------------------- Period 1 0930-1030 UT F = 1.00 (0% Clouds) Mean LM 6.13 FOV 285 +20 TOTAL TeFF: 1.00 Mean Solar Long: 040.987 METEOR DATA: ANT 1, ETA 0, SPO 4 TOTAL 05 Magnitude Distribution ANT +3 (1) Mean +3.00 SPO –1 (1) +1 (1) +2 (1) +4 (1) Mean + 1.50 ---------------------------- Period 2 1030-1130 UT F = 1.00 (0% Clouds) Mean LM 6.12 FOV 300 +20 TOTAL TeFF: 1.00 Mean Solar Long: 041.027 METEOR DATA: ANT 0, ETA 1, SPO 5 TOTAL 06 Magnitude Distribution ETA +3 (1) Mean + 3.00 SPO +1 (2) +2 (1) +3 (2) Mean + 2.00 ---------------------------- Total Magnitude Distribution ANT +3 (1) Mean +3.00 ETA +3 (1) Mean + 3.00 SPO -1 (1) 0 (0) +1 (3) +2 (2) +3 (2) +4 (1) Mean + 2.50
Robert Lunsford - IMO Forum Administrator
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