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(meteorobs) NAMN VISUAL SUMMARY REPORT, Jul 10/11 1997, GRALE
NAMN VISUAL SUMMARY REPORT
DATE: Jul 10/11 1997 BEGIN: 0410UT END: 0600UT
OBSERVER : GRALE (Lewis J. Gramer)
LOCATION : Long: 71o 06' 24" W; Lat: 42o 25' 06" N
City & State: Medford, MA, USA; Elevation: 5 m
RECORDING METHOD: Plotting and Tape Recorder
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OBSERVED SHOWERS: Use 3 letter Code; position; name
SAG CAP SDA JPE
293 -22 289 -15 325 -19 341 +15
19:30-22 19:15-15 21:40-19 22:45+15
Sagittarids Alpha Cap S Delta Aqr July Pegasids
(Non-IMO: Alpha Lyrids 280+38 4, Omicron Draconids 284+57 5)
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OBSERVING PERIODS: (0 = none seen; / = shower not watched)
PERIOD(UT) FIELD Teff F LM SAG CAP SDA JPE SPOR
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0410-0600 18h+35 1.55h 1.11 5.46 0 0 0 0 10
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MAGNITUDE DISTRIBUTIONS:
SHOWER -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 TOTAL
SAG 0
CAP 0
SDA 0
JPE 0
SPOR 1 1 5 2.5 0.5 10
Total: 1 1 5 2.5 0.5 10
"SPORADIC" (SPOR + NON-IMO) MAGNITUDE DISTRIBUTION: (see Remarks)
SHOWER -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 TOTAL
"ALY" 0.5 1 0.5 2
"ODR" 0
SPOR 1 0.5 4 2 0.5 8
Total: 1 1 5 2.5 0.5 10
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SKY OBSCURED:
%10 FROM: 0410UT TO: 0600UT (Sky obstructed by buildings)
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DEAD TIME: 00h10m MEAN MAGNITUDES
BREAKS : 00h07m SPOR = +2.85
(0503-0510)
TOTAL : 00h17m
[Non-IMO:
SPOR = +2.81
"ALY" = +3.00 (sample of 2 meteors)
[
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LIMITING MAGNITUDE:
STAR STAR
TIME AREA COUNT LM (mins in effect)
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0410 13 7 5.5 15
0410 15 6 5.5 15
0440 13 7 5.5 37
0440 15 7 5.5 37
0525 13 7 5.5 40
0525 14 11 5.5 40
0600 13 6 5.0 18
0600 14 11 5.5 18
MEAN LIMITING MAGNITUDE: 5.46
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METEOR DATA
# TIME (UT) MAG SPEED COLOR SHWR TRAIN MAP# ACCU DCV (*)
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1 0429 3 3 Spor 3 1 10
2 0438 3.5 4 Spor 3 1 20 *
3 0446 -1 2 org-grn Spor 1.0 grn 3 1 30
4 0459 3 2.5 Spor 3 1 20
5 0501 2.5 3.5 Spor 3 2 30 *
6 0515 3 4 Spor 3 1 20
7 0531 3.5 3 Spor 3 1 10
8 0534 4 3.5 Spor 3 1 10
9 0538 4.5 3 Spor 3 1 0
10 0546 2.5 3.5 Spor 3 1 20
## 0600 ENDED SESSION
(*) - Meteors marked by asterisks have additional data under Remarks
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VELOCITY SCALE (SPEED): PLOTTING ACCURACY (ACCU):
0 = Stationary 1 = Begin and end points well seen
1 = Very Slow 2 = Less certain of meteor path
2 = Slow 3 = Very uncertain plot: general direction
3 = Medium
4 = Fast
5 = Very Fast
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REMARKS: Seeing throughout session was Medium (5 of 10).
Dead time of 60 seconds was deducted per recorded meteor.
(Higher dead time was deducted due to recent inactivity.)
Meteor #2 was noted as a possible member of the non-IMO shower ALY,
(Alpha Lyrids) based on projection, distance, and putative speed.
Meteor #5 was noted as a possible member of the non-IMO shower ALY,
(Alpha Lyrids) based on projection, distance, and putative speed.
<END OF REPORT>