(meteorobs) Obs: 12 Aug 2008

[David Oesper]

12 August 2008 0645 - 0943 UT (CDT 12 Aug 1:45 – 4:43 a.m.)

David Oesper
NE of Dodgeville, Wisconsin
43 02 04.3 N, 90 05 24.5 W, ~977 ft.
Method: Visual, digital voice recorder, talking clock
Method: Car radio, meteor skip, 88.5 MHz

Zenithal Sky Brightness: 20.95 mag./sq." @ 0643 UT
Limiting Magnitude: 6.1 [(SQM-8.89)/2]+ 0.04
SQM = Sky Quality Meter
Sky Conditions: 95% cloudy

Sky 70% clear from 0827-0850 UT, observed visual Perseid rate 31
meteors/hr

0645 - 0943
Perseids: 31
Other: 2
Total Visual Meteors: 33

Total Radio Meteors: 36

0645 start of session
RAD = radio meteor
visual meteor magnitude omitted when too cloudy to estimate
0647 PER, PER
0649 RAD
0656 RAD
0657 RAD
0658 RAD

0700 RAD
0701 RAD
0702 PER, RAD
0706 RAD, RAD
0707 RAD, RAD
0724 RAD, RAD
0725 PER, PER, RAD
0726 PER
0729 RAD
0730 RAD
0733 RAD
0736 RAD
0740 RAD
0746 RAD
0749 RAD
0759 RAD

0810 PER, RAD
0812 RAD
0813 RAD
0826 RAD
sky conditions greatly improved--large clear area around Summer Triangle
0827 +1 PER
0832 +2 PER, RAD
0833 RAD
0834 +0 PER, +1 PER, RAD
0835 +1 PER, +2 SPO
0838 +0 PER
0839 +1 SPO slow
0840 RAD
0844 +2 PER, +3 PER
0845 +2 PER
0849 +2 PER, +3 PER, RAD
0850 +2 PER
clouds worsening again
0857 PER, PER, PER
0901 RAD
0901 PER
0905 PER
0911 PER
0912 PER
0915 PER, RAD
0919 RAD
0923 PER, RAD
0924 RAD
0925 PER
0931 PER
0936 PER
0943 end of session

Zenithal Sky Brightness: 20.17 mag./sq." @ 0944 UT
Limiting Magnitude: 5.7 [(SQM-8.89)/2]+ 0.04
Sky Conditions: 95% cloudy, twilight