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(meteorobs) NAMN Report 1999 AUG 6/7 HALWA
NAMN METEOR REPORT
DATE 1999 AUG 6/7
Time (UT) Start 0655 UT End 0855 UT
OBSERVER: Wayne T Hally (HALWA)
LOCATION: NJAA OBSERVATORY, HIGH BRIDGE, NJ USA (25186)
COORDINATES: 74d 53' 54" West 40d 40' 52" North
ELEVATION: 830 feet (253 Meters)
Recording Method- Tape recorder
All but 1 meteor plotted (47 sec per plot)
TIME CALCULATIONS
TOTAL TIME 2:00
Break Time 0:02 0800 to 0802
Dead Time 0:24
Net Time 1:34
----------------
Teff 1.57 Hours
SKY OBSCURED- NONE
OBSERVED SHOWERS
Shwr RA DEC
-----------
IMO ACtive
-----------
PER 039 +57 (Also inludes DMS Per)
KCG 283 +58 (DMS kCy 281 +48)
SDA 347 -14
PAU 350 -27
CAP 315 -07
SIA 336 -15
NDA 325 -11
-------------
ALPO/AMS/Kronk
SCP 325 -11
AH 329 -12 (Anti Helion)
METEORS OBSERVED
Time FOV Teff F LM PER NDA CAP KCG SDA PAU SIA SPO Tot
0655-0855 360 +25 1.57 1.00 +5.14 11 4 1 0 0 0 0 16 32
FOV: Azi 145 Elev +70
MAGNITUDE DISTRIBUTIONS
Mag -3 -2 -1 0 +1 +2 +3 +4 +5 Tot Mean
PER 0 0 2 3 0 0 3 2.5 0.5 11 +1.77
NDA 0 0 0 1 0 1 2 0 0 4 +2.0
CAP 0 0 1 0 0 0 0 0 0 1 -1
SPO 1 1 0 0 4 2 1.5 6 0.5 16 +2.13
LIMITING MAGNITUDE
LM Summary
Time LM
0700 +5.10
0730 +5.20
0800 +5.10
0830 +5.20
0855 +5.10
-----------
Mean LM +5.14
LM Data
Time Area Cnt LM Time Area Cnt LM Time Area Cnt LM
0700 6 5 5.4 0700 18 7 5.0 0700 2 4 4.9
0730 6 6 5.5 0730 18 8 5.0 0730 2 5 5.1
0800 6 5 5.3 0800 18 8 5.0 0800 2 5 5.0
0830 6 6 5.5 0830 18 9 5.1 0830 2 5 5.0
0855 6 6 5.5 0855 18 8 5.0 0855 2 4 4.8
METEOR DATA
Num Time Mag Spd Train Shwr Map Acc Notes
1 0656 +2 3 - NDA 6 1
2 0659 -1 3 1.0 CAP 1 1
3 0706 +4 4 - SPO 6 1
4 0713 +1 4 - SPO 6 1
5 0716 +3 4 - SPO 6 1
6 0720 +4 4 - PER 7 1
7 0725 +4 5 - SPO 1 1
8 0730 0 3 1.0 PER 1 1
9 0732 +4 4 - PER 1 1
10 0736 +4.5 5 - PER 1 1
11 0743 +3 5 - PER 7 2
12 0747 0 4 1.0 NDA 1 1 SCP
13 0750 +3 3 - PER 1 1
14 0752 +4 1 - SPO 1 1
15 0756 +3 3 - PER 1 1
16 0757 +2 3 - SPO 1 1
-------------0:02 BREAK 0800-0802-------
17 0805 -2 4 2.0 SPO 1 1 Note
18 0806 +4 5 - SPO 1 1
19 0810 +3 3 - NDA 7 1
20 0814 -3 5 4.0 SPO 6 1
21 0816 +4.5 4 - SPO 7 1
22 0819 0 3 - PER 1 1
23 0819 +1 3 - SPO 1 2
24 0822 -1 4 1.0 PER 7 1
25 0828 +1 3 - SPO 1 1
26 0828 +4 4 - SPO Not Plotted
27 0837 0 4 1.0 PER 1 1
28 0842 -1 4 Wk PER 4 1
29 0845 +2 4 - SPO 7 2
30 0846 +3 3 - NDA 7 1
31 0849 +3.5 4 - SPO 7 2
32 0854 +1 2 - SPO 7 1 Long
------------------------------------------
0855 Session ended due to deteriorating LM and rising Moon
SESSION NOTES
General Notes
1. All Times UT
2. Speed 1=very slow 2=slow 3=Medium 4=fast 5=very fast
3. Train is measured in seconds; Wk=Wake (<0.5sec)
4. Plot Accuracy 1=very accurate 2=medium 3=poor
5. In notes Column, 3 or 4 letter codes are for Non-IMO associations.
These include Old IMO showers, ALPO, DMS, Cook, and Kronk lists.
6. Meteor 17 was one of several VERY Perseid like meteors
noted during the Aug 6-10 period that were
almost close enough to be counted as Perseids; however, all of the
projected radiants would have been on the other side of CAS,
at least 15 but less than 20 degrees away from the Perseid radiant.
7. Observing session was limited by slowly clearing conditions
(decreasing haze) during the night. LM was marginal, but since Perseid
rate was increasing, I did observe.
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`
end
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