(meteorobs) Obs HALWA 2007 Sep 23-24 (2 mornings)

[meteoreye at comcast.net]

My final 2 mornings of the month of September.
Note Fireball on second night with FORTY second train!!!
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Observer Wayne T Hally
Location NJAA Observatory, High Bridge, NJ
74d53m54s W, 40d40m52s N, 253M elev
F=1.00 all periods
Almost all meteors plotted, plot times measured from audio tape to derive Teff.
FOV SSE @ 65d elevation


UT Date 2007 Sept 23
UT Time 0730-0938

Shower RA Dec
ANT 012 +06
DAU 075 +49
KAQ 344 +07

Time      Teff      LM    ANT DAU KAQ SPO TOT Met/Hr
0730-0835  1.008  +5.60   1      2      0      5      8      7.9
0835-0938  1.022  +5.73   1      1      0      0      2      2.0

Totals 
Avg LM +5.65
ANT   2   1.0/Hr   (Avg Mag +4.0)
DAU   3   1.5/Hr   (Avg Mag +1.83)
KAQ  0
SPO    5   2.5/Hr  (Avg Mag +3.28)

Total meteors 10   4.9/Hr   (Avg Mag +2.70)

 Ugly second hour, only 2 meteors, no SPO's.

Examined DAUs for current IMO and SM radiants (075,+49), (067,+33).
1 aligned better with each radiant, the other was a tossup.

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UT Date 2007 Sept 24
UT Time 0736-0942

Shower RA Dec
ANT  013  +07
DAU  076  +49
KAQ  345  +07

Time Teff LM  ANT DAU KAQ SPO TOT Met/Hr
0736-0839  0.952  +5.57   1      1      1      5      8     8.4
0839-0942  0.977  +5.80   2      4      1      4      11   11.3

Totals
Avg LM  +5.66

ANT  3  1.6/Hr  (Avg Mag +2.7)
DAU  5   2.6/Hr  (Avg Mag +2.9)
KAQ  2   1.0/Hr  (Avg Mag +1.8)
SPO   9   4.7/Hr  (Avg Mag +3.10)

Total Meteors  19   9.9/Hr  (Avg Mag  +2.84)

Examined current IMO DAU radiant (076,+49) vs Sirko Molau's video radiant 
(070,+34). All 5 DAUs aligned with IMO radiant.

Highlight of month (revised) was Fireball -4 SPO at 09:18:10 +/- 10 sec.

Varied between -1 and -4 over path , 40 (that's FORTY) second train!!!

Path start RA 092, Dec +4; end 107,-2.

5 casual Satellites during last period.

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It was a fun month blessed by superb weather.
I logged 194 meteors in 25.23 Hours Teff.

Wayne