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(meteorobs) Observation June 15/16 1999
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To: "<<Meteorobs list>>" <meteorobs@jovian.com>, danko@norteldot ca, dlegault@dttus.com, meteorite@telusplanetdot net, jmainville@home.com, mwirths@superaje.com, adave@cyberusdot ca, rprevost@sympaticodot ca, paris.yves@sympaticodot ca, Patrick Marleau <Patrick.Marleau@wanadoo.fr>
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Subject: (meteorobs) Observation June 15/16 1999
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From: Pierre Martin <p.martin@cyberusdot ca>
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Date: Mon, 21 Jun 1999 23:58:19 -0400
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Reply-To: meteorobs@jovian.com
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Sender: owner-meteorobs@jovian.com
On the second night for June 15/16, I observed at Casselman under far
better conditions. The night had cooled down dramaticaly to a low of about
6C, and skies were crystal clear and beautiful. LM was 6.35, and remained
consistent during the entire session. I was facing south-east, and 12
meteors were plotted during the last 2 hours before morning twilight. Only
one Sagittarid appeared and it aligned perfectly with the IMO radiant. Once
again, I watched for possible XDR and JLY. The plots indicate one possible
JLY, one possible XDR and two other meteors aligned with both radiants. So,
a total of 4 suspect meteors for that night. They were medium or
medium-fast speed. No meteor got brighter than magn +2. No highlights were
seen.
Plots to be sent to Robert Lunsford. Here is the full report:
DATE: June 15/16 1999
BEGIN: 5:15 UT (1:15 EDT) END: 7:05 UT (3:05 EDT)
OBSERVER: Pierre Martin (MARPI)
LOCATION: Long: -75.063 West; Lat: 45.269 North Elevation:100m
City & Province: Casselman, Ontario, CANADA
RECORDING METHOD: talking watch/tape recorder
-----------------------------------------------------------------------
OBSERVED SHOWERS: 3-letter code; radiant position
SAG (Sagittarids) 270 -23
XDR (Xi Draconids) 268 +54
JLY (June Lyrids) 18:45 +36
-----------------------------------------------------------------------
OBSERVING PERIODS: 0 = none seen; / = shower not watched.
PERIOD(UT) FIELD Teff F LM SPO SAG
5:15-6:20 SE70 1.00 1.00 6.35 8 1
6:30-7:05 " 0.57 1.00 6.35 3 0
-------------------------------------------------
TOTALS: 1.57 11 1
-------------------------------------------------
MAGNITUDE DISTRIBUTIONS:
SHOWER +2 +3 +4 +5 +6
SPO 1 5 2 2 1
SAG 0 0 1 0 0
-------------------------
TOTALS: 1 5 3 2 1
-------------------------
SKY OBSCURED: none
---------------------------------
Total dead time: 5.73 minutes
Dead time plots: 12 plots --> total time plotting: 5.73 minutes
Breaks: 6:20-6:30
---------------------------------------------------------------------
LIMITING MAGNITUDE:
STAR STAR
TIME COUNT AREA LM
5:15 17 13 6.3
15 10 5 6.2
15 27 11 6.4
6:20 18 13 6.5
20 11 5 6.4
7:05 17 13 6.3
05 9 5 6.1
Mean limiting magnitude: 6.35
------------------------------------------------------------------------
METEOR DATA:
# TIME(UT) MAG VEL. COLOR SHOWER TRAIN REMARKS MAP ACCURACY
------------------------------------------------------------------------
1 5:18 2 4 blue SPO plot#1 3 2
2 25 4 3 SAG plot#2 9 2
3 38 3 3 SPO plot#3 9 2
4 38 4 3 " plot#4, JLY? 6 2
5 43 6 3 " plot#5 3 1
6 48 3 3 " plot#6, XDR? 3 2
7 58 3 4 " plot#7, XDR? JLY? 9 2
8 6:04 5 4 " plot#8 3 1
9 15 3 3 " plot#9, XDR? JLY? 6 2
10 35 3 4 " plot#10 3 1
11 40 4 4 " plot#11 3 1
12 59 5 4 " plot#12 9 2
(12 plots)
VELOCITY (VEL.) SCALE:
0 = Stationary
1 = Very Slow
2 = Slow
3 = Medium
4 = Fast
5 = Very Fast
PLOT ACCURACY:
1 = Very accurate plot
2 = Normal plot
3 = Generalized plot
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REMARKS
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<END OF REPORT>
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