(meteorobs) Obs: 21 October 2007

[David Oesper]

21 October 2007 0656 - 0900 UT (CDT 21 Oct 1:56 – 4:00 a.m.)

David Oesper
NW of Dodgeville, Wisconsin
43 00 39.5 N, 90 16 05.4 W, ~1110 ft.
Method: Visual, digital voice recorder, talking clock

Zenithal Sky Brightness: 21.25 mag./sq. " @ 0653 UT
Limiting Magnitude: 6.2 [(SQM-8.89)/2]+ 0.04
SQM = Sky Quality Meter
Sky Conditions: Clear

0700 - 0800
Orionids: 14
Other: 4
Total Meteors: 18

0800 - 0900
Orionids: 15
Other: 7
Total Meteors: 22

0701 +1 ORI
0704 +2 ORI
0707 +0 ORI, +3 ORI
0715 +2 ORI
0716 +3 Spo
0717 +3 Spo
0718 +2 ORI
0721 +2 ORI
0732 +2 ORI
0735 +5 ORI, -1 ORI, +2 Spo
0739 +3 ORI
0743 cloud cover 5%
0744 +2 Spo
0748 cloud cover 10%
0750 +3 ORI
0754 +4 ORI
0755 +4 ORI

0800 broken cloud cover 30%
0801 +2 ORI
0804 +3 Spo
0804 broken cloud cover 40%
0810 +4 ORI
0815 broken cloud cover 30%
0816 +1 ORI, +2 ORI, +3 Spo (all 3 within 3 seconds!)
0817 +3 Spo, +2 ORI
0821 +2 Spo
0825 +1 ORI, +1 ORI
0826 +2 Spo
0827 +1 ORI
0829 +1 ORI
0832 cloud cover < 5%
0833 +2 Spo, +2 Spo
0835 +1 ORI, +0 ORI (2 seconds apart)
0836 +1 ORI
0840 +1 ORI
0841 +1 ORI
0842 +4 ORI
0900 End of session

Zenithal Sky Brightness: 21.23 mag./sq. " @ 0903 UT
Limiting Magnitude: 6.2 [(SQM-8.89)/2]+ 0.04