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(meteorobs) Aug 10-11 Perseid count (from Vancouver Washington)
Perseid report:
Spent great evening looking through GoTo telescope belonging Rose City
Astronomer member Steve Mauvais
Spent early morning hour doing visual counts on Perseids, see the
following:
................................................................................................................................
DATE: 08/10-11/2002 BEGIN: 8:08 UT END: 9:10 UT
OBSERVER: Dustin Brown
LOCATION: Long: 122.66 West; Lat: 45.67 North
City & State: Vancouver WA Elevation: 50Meters
RECORDING METHOD: Manual: Talking watch/paper/pencil
Kept dead time/ to 2 minutes/hour (1
minute recording time + 1 minute mosquito slapping)
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OBSERVED SHOWERS: (Use 3 letter Codes)
PER
SPO (note: I lumped all non-Perseids as "SPO")
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OBSERVING PERIODS:
(On average, 3 sec/meteor was subtracted for recording purposes.)
0 = None seen; / = shower not watched.
PERIOD(UT) FIELD Teff F LM PER SPO
08:08-09:10 22h +55 1.0 1.11 4.9 10 7
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MAGNITUDE DISTRIBUTIONS: Mags 5 and 6 are n/a since LM was 4.9
-3 -2 -1 0 +1 +2 +3 +4 +5 +6 TOTAL
PER 0 0 1 0 3 2 2 2 n/a n/a 10
---
SPO 0 0 0 0 0 1 3 3 n/a n/a 7
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SKY OBSCURED:
10% from trees. (calculated into F value above)
no clouds
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DEAD TIME:
2 minutes / 1hour-2minute period = 1.00 TEFF
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LIMITING MAGNITUDE:
1st TEFF 4.9
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METEOR DATA:
# TIME(UT) SHOWER MAG (1-5) TRAIN(SEC)
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1 8:14 PER 2
2 8:17 PER 1
3 8:25 SPO 3
4 8:35 SPO 4
5 8:37 PER 4
6 8:38 SPO 4
7 8:39 PER 1
8 8:40 PER 3
9 8:42 SPO 3
10 8:45 SPO 4
11 8:48 PER 3
12 8:50 SPO 3
13 8:59 SPO 2
14 9:02 PER 4
15 9:03 PER 1
16 9:06 PER -1
17 9:10 PER 2
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