(meteorobs) Obs: 31 July 2009

[pmartsching at mchsi.com]

31 July 2009 06:00-09:30 UT (CDST 30/31 July 01:00 - 04:30 am)

Paul Martsching
McFarland Park 4 miles NE of Ames, Story County, Iowa, USA
Long: 93 deg 34 min W  Lat: 42 deg 05 min N  Elevation: 318 meters
Method: Visual; paper, pencil and talking clock

Observed showers: only listed in the hourly summaries if meteors from that shower were seen during that hour.
Antihelions
A Capricornids
Perseids
Piscis Austrinids
S Delta Aquarids
Sporadics

No fireflies; no mosquitoes; heavy dew; Moon set by 06:00 UT.

06:00-07:00; 57 deg F; dew point 55 deg F; wind West 8 mph; clear; aver.lim.mag. 5.6; facing ESE 50 deg; total teff 1.0 hour
Time    mag    type    comment
06:01   +3       Spor
06:02   +1       SDA
06:12    -1       ANT  yellow
06:15    -1       SDA  orange; brief train
06:16   +3       Spor
06:46   +1       SDA  yellow
06:47     0       SDA
06:50    -5       SDA  yellow; one second train; ended ~5 degrees SE of Algol
06:54   +1       PER   orange
06:57   +3       Spor
Antihelion: one: -1
Perseid: one: +1
S Delta Aquarids: five: -5; -1; 0; -1(2)
Sporadics: three: +3(3)
Total meteors: ten

07:00-08:00; 55 deg F; dew pt 54 deg F; wind West 7 mph; clear; aver.lim.mag. 5.6; facing ESE 50 deg; total teff 1.0 hour
Time    mag    type    comment
07:02   +3       SDA
07:02   +2       CAP
07:05     0       PAU
07:33   +3       Spor
07:35   +3       SDA
07:37    -1       PER   yellow; brief train
07:39   +2       Spor
07:40   +2       Spor   brief train
07:46   +1       SDA
07:50   +4       PER
07:51   +2       SDA   yellow
A Capricornid: one: +2
Perseids: two: -1; +4
Piscis Austrinid: one: 0
S Delta Aquarids: four: +1; +2; +3(2)
Sporadics: three: +2(2); +3
Total meteors: eleven

08:00-09:00; 55 deg F; dew pt 54 deg F; wind West 5 mph; clear; aver.lim.mag. 5.6; facing ESE 50 deg; total teff 1.0 hour
Time    mag    type    comment
08:03   +2       PER
08:04    -2       PER   yellow; one second train
08:10   +3       PER
08:12   +1       Spor
08:16   +3       SDA
08:21    -2       PER   yellow; two second train
08:23   +3       Spor
08:24   +2       Spor
08:26     0       Spor   yellow; brief train; (N Apex)
08:26   +4       PER
08:30   +3       SDA
08:33   +4       Spor
08:33   +3       Spor
08:34   +2       PER   yellow
08:35   +3       SDA
08:44   +4       Spor   (N Apex)
08:48   +3       Spor
08:53   +1       Spor
08:55     0       Spor   brief train
08:57   +2       SDA
Perseids: six: -2(2); +2(2); +3; +4
S Delta Aquarids: four: +2; +3(3)
Sporadics: ten: 0(2); +1(2); +2; +3(3); +4(2)
Total meteors: twenty

09:00-09:30; 54 deg F; dew pt 52 deg F; wind West 3 mph; clear; aver.lim.mag. 5.4; morning twilight increasing in NE from 09:15 onward; facing ESE 50 deg; total teff 0.5 hour
Time    mag     type    comment
09:00    -1       SDA   yellow
09:14   +4       Spor
09:15   +2       SDA
09:18   +4       PER
09:18   +3       SDA
09:22   +2       PER   brief train
09:24   +2       Spor
09:29   +2       SDA
Perseids: two: +2; +4
S Delta Aquarids: four: -1; +2(2); +3
Sporadics: two: +2; +4
Total meteors: eight (half hour)