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(meteorobs) NAMN Meteor Report: Jul 29/30 (Hall)
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NAMN VISUAL SUMMARY REPORT
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DATE: 29/30 July 1997 BEGIN: 3.00 UT END: 8.30 UT
OBSERVER: Cathy Hall
LOCATION: Long: 76 10' 35" West; Lat: 45 18' 35" North
City & State: Almonte, Ontario, Canada Elevation: 400 ft.
RECORDING METHOD: tape recorder
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OBSERVED SHOWERS: 3-letter code; radiant position; radiant diameter
SAG 311 -19 (20h44m -19) diam. 15/10
CAP 308 -10 (20h32m -10) diam. 8
SDA 340 -16 (22h40m -16) diam. 5
NDA 327 -08 (21h48m -08) diam. 5
PAU 343 -29 (22h52m -29) diam. 5
PER 29 +55 (01h56m +55) diam. 5
SIA 328 -16 (21h52m -16) diam. 5
KCG 282 +57 (18h48m +57) diam. 6
NIA 306 -08 (20h24m -08 diam. 5
alpha CYG (ALPO) 20h46m +49
sigma CAP (ALPO) 21h 8m -14
upsilon PEG (ALPO) 22h54m +17
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OBSERVING PERIODS: 0 = none seen; / = shower not watched.
PERIOD(UT) FIELD Teff F LM
1. 3.00-4.30 21h30m +10 0.97 1.00 5.75
2. 4.30-5.40 22h20m +15 1.01 1.00 5.90
3. 5.40-7.00 23h20m +25 1.00 1.00 5.90
4. 7.00-8.30 00h20m +20 1.17 1.00 5.50
SAG CAP SDA NDA PAU PER SIA KCG NIA SPO
1. 0 0 1 0 1 3 0 0 0 17
2. 0 0 1 0 0 1 0 0 0 15
3. 1 0 1 0 0 7 1 0 0 13
4. 0 0 0 2 0 4 0 0 0 18
TOT: 1 0 3 2 1 15 1 0 0 63
TEFF: 4.15 hrs.
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MAGNITUDE DISTRIBUTIONS:
SHOWER -1 0 +1 +2 +3 +4 +5 TOTAL MEAN
SAG 0 .5 .5 0 0 0 0 1 0.50
CAP 0 0 0 0 0 0 0 0 n/a
SDA 0 0 0 0 .5 2.5 0 3 3.83
NDA 0 0 0 1 0 1 0 2 3.00
PAU 0 0 1 0 0 0 0 1 1.00
PER .5 1.5 .5 4.5 7 0 1 15 2.33
SIA 0 0 0 .5 .5 0 0 1 2.50
KCG 0 0 0 0 0 0 0 0 n/a
NIA 0 0 0 0 0 0 0 0 n/a
SPO 0 1 1 5.5 10 19 26.5 63 3.98
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SKY OBSCURED: n/a
DEAD TIME: 67.17 min.
BREAKS: 14 min. (3.40-3.54)
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LIMITING MAGNITUDE:
STAR STAR
TIME AREA COUNT LM
3.00 14 12 5.7
3.30 14 12 5.7
4.00 14 12 5.7
4.30 14 13 5.9
5.00 14 13 5.9
5.30 14 13 5.9
6.00 14 13 5.9
6.30 14 13 5.9
7.00 14 13 5.9
7.30 14 12 5.7
8.00 14 10 5.4
8.30 14 7 5.0
MEAN LIMITING MAGNITUDE: 5.7
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METEOR DATA:
# (UT) MAG VEL CLR SHR TRAIN MAP/ACC
1 3.05 4.0 3 W SPO
2 3.06 4.0 3 W SPO
3 3.06 4.5 3 W SPO
4 3.12 5.0 5 W SPO plot#1 6/2
5 3.17 3.0 4 W SPO plot#2 1/2
6 3.19 5.0 3 W SPO
7 3.27 1.5 2 W SPO plot#3 6/2
8 3.34 4.0 3 W SDA plot#4 6/1
9 3.37 3.0 3 W SPO plot#5 6/1
10 3.57 1.0 2 blue-wh. PAU plot#6 6/2
11 3.59 4.0 3 W SPO
12 4.01 2.0 4 W PER 15d,1sec plot#7 6/2
13 4.11 0.0 4 W PER 20d,1sec
14 4.12 4.0 4 W SPO
15 4.12 2.0 4 W PER
16 4.12 2.5 3 W SPO
17 4.17 4.0 3 W SPO
18 4.22 2.5 3 W SPO plot#8 6/2
19 4.26 5.0 3 W SPO
20 4.28 5.0 3 W SPO
21 4.28 5.0 4 W SPO
22 4.30 3.5 3 W SPO
23 4.43 0.0 3 W SPO plot#9 3/2
24 4.47 5.0 3 W SPO
25 4.48 5.0 3 W SPO
26 4.53 5.0 4 W SPO
27 4.55 2.0 3 W SPO plot#10 6/1
28 5.00 4.5 4 W SPO
29 5.00 4.0 4 W SPO
30 5.07 5.0 4 W PER plot#11 6/2
31 5.13 2.0 2 W SPO
32 5.14 3.5 3 W SDA
33 5.18 4.5 4 W SPO
34 5.25 5.0 4 W SPO
35 5.26 3.0 3 W SPO
36 5.37 5.0 2 W SPO
37 5.37 3.5 2 W SPO
38 5.37 5.0 3 W SPO
39 5.38 4.0 3 W SPO plot#12 6/2
40 5.42 4.0 3 W SPO plot#13 6/1
41 6.01 5.0 3 W SPO
42 6.01 3.0 4 W PER
43 6.03 2.5 2 W SIA plot#14 7/2
44 6.08 -0.5 4 W PER 20d,1sec
45 6.11 5.0 3 W SPO
46 6.11 3.0 3 W SPO
47 6.12 2.5 4 W PER 1sec
48 6.14 4.0 3 W SDA plot#15 6/2
49 6.14 3.0 2 orange SPO plot#16 6/3
50 6.20 5.0 4 W SPO
51 6.28 3.5 4 W SPO plot#17 7/1
52 6.29 2.0 3 W SPO
53 6.29 2.5 4 W PER 1sec
54 6.30 2.5 3 W SPO
55 6.37 1.5 3 W SPO plot#18 6/2
56 6.41 2.5 4 W PER 20d,1sec
57 6.44 3.0 3 W SPO plot#19 6/2
58 6.51 0.5 3 W SAG 20d,1sec plot#20 1/2
59 6.54 3.0 4 W PER plot#21 6/2
60 6.57 5.0 3 W SPO
61 7.00 5.0 3 W SPO
62 7.00 3.0 4 W PER
63 7.06 5.0 4 W SPO plot#22 6/2
64 7.11 3.0 4 W PER 15d,1sec
65 7.15 4.0 4 W SPO plot#23 6/1
66 7.20 4.5 4 W SPO
67 7.21 4.5 3 W SPO plot#24 6/2
68 7.24 4.5 4 W SPO plot#25 6/2
69 7.31 5.0 4 W SPO
70 7.33 2.5 4 W PER 12d,1sec
71 7.37 4.5 3 W SPO plot#26 6/2
72 7.40 4.5 3 W SPO
73 7.41 3.0 4 W PER
74 7.45 4.5 4 W SPO plot#27 1/2
75 7.48 5.0 3 W SPO
76 7.51 2.0 3 W NDA plot#28 7/2
77 7.57 5.0 5 W SPO
78 7.58 4.0 4 W SPO plot#29 6/3
79 8.02 4.5 3 W SPO
80 8.03 3.0 4 W SPO 1sec plot#30 7/2
81 8.07 5.0 3 W SPO
82 8.09 1.5 4 W PER
83 8.10 4.0 3 W NDA
84 8.12 4.5 4 W SPO
85 8.22 4.0 3 W SPO
86 8.28 4.0 4 W SPO
VELOCITY (VEL.) SCALE:
0 = Stationary
1 = Very Slow
2 = Slow
3 = Medium
4 = Fast
5 = Very Fast
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REMARKS:
Temperature: 10C (51F), no mosquitoes, beautiful night - M15 visible with
naked eye.
Recording time/meteor: 5 sec.
Plotting time/meteor: 2 min.
Observed shower positions extrapolated/interpolated from WGN 25-1
ALPO shower positions from ALPO meteors section newsletter #21, June 1997
Notes on Meteors:
- Meteor #4 (plot#1), Upsilon Peg (ALPO radiant)
- Meteor #7 (plot#3), Sigma Cap (ALPO radiant)
- Meteor #10 (plot#6), PAU, beautiful blue-white, teardrop shaped
- Meteor #18 (plot#8), 15 deg. long
- Meteor #23 (plot#9), 20 deg. long
- Meteor #27 (plot#10), 15 deg. long
- Meteor #48 (plot#15), SDA, allowing for length error
- Meteor #49 (plot#16), SPO, about 30 deg. long, orange, teardrop shaped,
beautiful!
- Meteor #55 (plot#18), Alpha Cyg (ALPO radiant)
- Meteor #63 (plot#22), possible Upsilon Peg (ALPO radiant), allowing for
length error
- Meteor #68 (plot#25), 15 deg. long
- Note that plots #2, #17, and #27, all fast meteors, 'seem' to come from
middle of Aquarius, about 23h25m -9
<END OF REPORT>