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(meteorobs) Leonids 17/18 from Visnjan Observatory - Croatia
Visnjan Observatory, Croatia
Observing group: Tomislav Jurkic, Ana Bedalov, Mirela Orbic
Observer: Tomislav Jurkic
IMO Code: JURTO
LAMBDA 13deg 43min 44sec E
FI 45deg 16min 39sec N
h=246.5 m
Date: 17/18.11.2000.
UT LEO SPOR LM F ZHR
1:29-1:46 7 1 4.5 1.25 120
1:46-2:01 10 0 4.5 1.25 200
2:01-2:17 7 2 4.5 2.00 210
2:17-2:31 11 0 4.5 1.25 240
2:31-2:46 11 0 4.5 1.11 200
2:46-2:59 8 0 4.5 1.43 210
2:59-3:10 3 0 4.5 5.00 330
BRAKE
3:34-3:48 17 0 4.5 1.43 420
3:48-3:59 6 0 4.5 2.50 330
3:59-4:13 13 0 4.5 1.25 280
4:13-4:26 15 0 4.5 1.25 350
4:26-4:43 12 0 4.5 2.50 350
4:43-5:00 9 0 4.5 2.50 320
5:00-5:16 1 0 4.0 10.00 210
TOTAL 130 3
r=2
z=1
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 TOT
LEO 1 0 1 2 4 9 13 16 16 22 23 17 6 130
SPOR 0 0 0 0 0 0 0 0 0 1 1 1 0 3
Generally cloudy weather with low altitude clouds. Observations were made
through holes in clouds. Large oscillations in cloudiness during short
periods (from 10% cloud covers to 80% and back to 10% in 10 minutes period
was usual weather behavior). Due to the clouds moving fast across the sky,
it was necessary to change fields of view frequently. Until 3:34 field of
view centered between Orion and Auriga and between Cassiopea and Auriga.
From 3:34 field of view centered around Ursa Major. Break due to 100%
cloudiness between 3:10 and 3:34. Maximum ZHR observed between 3:34 and
3:48. ZHR is computed only as an approximate value, with r=2 and no
correction for radiant elevation. Observed meteor groupings of 3-4 meteors
within 10-20 seconds and large time gaps between.
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