(meteorobs) Obs: 14/15 Sept 2007

[pmartsching at mchsi.com]

15 September 2007 05:30-10:00 UT (CDST 14/15 Sept 2007 12:30-5:00am)

Paul Martsching
McFarland Park 4 miles NE of Ames, Story County, IA
Long: 93 deg 34 min W  Lat: 42 deg 05 min N  Elevation: ~1,040 feet
Method: Visual; paper, pencil & talking clock

05:30-06:30; 39 deg F; wind NW 5 mph; clear; average limiting magnitude 6.0;
facing East 50 degrees; total teff 1.0 hour
Time   mag.  type   comment
05:41  +3    SPE
05:47  +5    Spor
05:55  +2    Spor
05:56   0    ANT    orange
06:14  +1    Spor
06:17  +2    KAQ    orange; much slower than ANT with similar length path
06:27  +2    Spor
Antihelion: one: 0
Kappa Aquarid: one: +2
September Perseid: one: +3
Sporadics: four: +1, +2(2) +5
Total meteors: seven

06:30-07:30; 38 deg F; wind N 3 mph; clear; ave.lim.mag. 6.0; facing E 50 deg;
total teff 1.0 hour
Time   mag.   type   comment
06:33  +3     Spor
06:35   0     Spor
06:36  +3     Spor
06:48   0     Spor   1 second train
06:56  +1     ANT
07:15  +3     Spor
07:19   0     ANT
Antihelion: two: 0, +1
Kappa Aquarid: none
September Perseid: none
Sporadics: five: 0(2), +3(3)
Total meteors: seven

Break: 07:30-08:00

08:00-09:00; 34 deg F; calm; clear; ave.lim.mag. 6.0; facing E 50 deg; total
teff 1.0 hour
Time   mag.   type   comment
08:01  -2     Spor   orange, fast; 1 second train; path: began very near Capella
                     > between Hyades and Pleiades > well into Cetus.
08:02  +1     Spor   1 second train
08:11  +1     SPE    1 second train
08:12  +1     Spor   yellow
08:19  +5     Spor
08:29  +3     Spor
08:31  +3     Spor   S Apex; brief train
08:47  +3     Spor
08:50  +1     Spor
Antihelion: none
Kappa Aquarid: none
September Perseid: one: +1
Sporadics: eight: -2, +1(3), +3(3), +5
Total meteors: nine  

09:00-10:00; 32 deg F; calm; clear; ave.lim.mag. 6.0; facing E 50 deg; last part
of hour used knee to block annoyingly bright Venus; total teff 1.0 hour
Time   mag.  type   comment
09:06  -3    Spor   orange; fast; 2 second train; path: southern Cetus > very
                    near Hamal > thru Triangulum > across arcs of Andromeda >
                    Cassiopeia; ended 5 degrees beyond "W" of Cass.
09:12  +2    Spor
09:20  +2    Spor
09:23   0    SPE    yellow; brief train
09:29  +3    Spor
09:29  -2    SPE    yellow; brief train
09:32   0    Spor   orange
09:33  +2    Spor
09:34  +1    SPE    0.5 second train
09:43  +1    Spor
09:54  +3    Spor
Antihelion: none
Kappa Aquarid: none
September Perseids: three: -2, 0, +1
Sporadics: eight: -3, 0, +1, +2(3), +3(2)
No Pi Eridanid meteors were seen. 
Total meteors: eleven: 

Magnitude distribution:

Antihelion: three: 0(2), +1
Kappa Aquarid: one: +2
September Perseids: five: -2, 0, +1(2), +3
Sporadics: twenty-five: -3, -2, 0(3), +1(5), +2(5), +3(8), +5(2)
Total meteors: thirty-four