(meteorobs) Obs: 11/12 Sept 2007

[pmartsching at mchsi.com]

12 September 2007 07:00-10:00 UT (CDST 11/12 Sept 2:00-5:00am)

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

07:00-08:00; 44 deg F; wind N 5 mph; clear; aver.lim.mag. 6.0; facing E 50 deg;
total teff 1.0 hour
Time   mag.  type   comment
07:07  +3    Spor
07:17  +3    Spor
07:21  +3    Spor
07:34  +4    Spor
07:49  +2    SPE
07:56  +1    Spor   S Apex sporadic; yellow; brief train
Antihelion: none
September Perseid: one: +2
Sporadics: five: +1, +3(3), +4
Total meteors: six

08:00-09:00; 42 deg F; calm; clear; aver.lim.mag. 6.0; facing E 50 deg; total
teff 1.0 hour
Time   mag.  type   comment
08:05  +3    SPE
08:13  +3    Spor
08:33  +3    Spor
08:36  +1    Spor   orange
08:37  +3    SPE
08:39   0    Spor   yellow; brief train
08:40  +3    Spor
08:50  +2    Spor
Antihelion: none
September Perseids: two: +3(2)
Sporadics: six: 0, +1, +2, +3(3)
Total meteors: eight

09:00-10:00; 39 deg F; calm; clear; a bit of haze/fog here and there on the way
home; aver.lim.mag. 5.8; facing E 50 deg; total teff 1.0 hour
Time   mag.   type   comment
09:03  +3     SPE
09:20  -2     ANT    yellow
09:31  +2     Spor
09:38  +1     Spor
09:44  +2     Spor   orange
09:45  -1     SPE    yellow; brief train
09:50  +3     Spor
Antihelion: one: -2
September Perseids: two: -1, +3
Sporadics: four: +1, +2(2), +3
Total meteors: seven
No Pi Eridanid meteors were seen