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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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