(meteorobs) Obs: 17/18 August 2007
pmartsching at mchsi.com
pmartsching at mchsi.com
Sun Aug 19 15:04:58 EDT 2007
18 August 2007 03:30-07:15 UT (CDST 17/18 August 10:30pm - 2:15am)
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 & talking clock
03:30-04:30; 80 deg F; wind South 10 mph; at 03:30 limiting mag. 5.7 and 20%
cloud cover, but conditions rapidly improved; average limiting magnitude 5.9 and
average cloud cover 5%; facing East 50 degrees; total teff 1.0 hour
Time mag. type comment
03:35 +1 KCG
03:43 +3 KCG
03:48 +2 KCG
03:58 +2 PER brief train
04:02 +2 Spor brief train
04:03 +3 Spor
04:25 0 Spor orange
Antihelion: none
Kappa Cygnids: three: +1, +2, +3
Perseids: one: +1
Sporadics: three: 0, +3(2)
Total Meteors: seven
04:30-05:30; 78 deg F; wind South 8 mph; clear; average limiting magnitude 6.0;
facing East 50 degrees; total teff 1.0 hour
Time mag. type comment
04:31 -1 KCG orange; brief train
04:44 +5 Spor
04:52 +3 Spor
05:02 +1 KCG yellow
05:08 +3 Spor
05:09 +4 KCG
05:10 -2 ANT yellow
05:15 +2 Spor yellow
05:26 +4 Spor
Antihelion: one: -2
Kappa Cygnids: three: -1, +1, +4
Perseids: none
Sporadics: +2, +3(2), +4, +5
Total meteors: nine
05:30-06:30; 77 deg F; wind SW 10 mph; clear; average limiting mag. 6.0; facing
East 50 deg; total teff 1.0 hour
Time mag. type comment
05:40 +2 KCG
05:42 +1 Spor
05:47 +2 Spor
05:49 +1 KCG yellow
05:52 -1 KCG
05:55 +3 Spor
06:01 -3 KCG yellow
06:20 +3 Spor
06:27 +4 Spor
06:28 +3 ANT
Antihelion: one: +3
Kappa Cygnids: four: -3, -1, +1, +2
Perseids: none
Sporadics: five: +1, +2, +3(2), +4
Total meteors: ten
06:30-07:15; 45 minutes; 76 deg F; wind SW 10 mph; clear 06:30-07:00; becoming
cloudy 07:00-07:15; average limiting magnitude 5.7; average cloud cover 5%;
facing North 50 degrees; total teff 0.75 hour
Time mag. type comment
06:42 0 ANT yellow
06:46 +4 PER
06:48 +3 Spor
06:53 +3 Spor
07:03 +3 KCG
07:13 +1 KCG
Antihelion: one: 0
Kappa Cygnids: two: +1, +3
Perseid: one +4
Sporadics: two: +3(2)
Total meteors: six
Quit because sky becoming overcast.
Magnitude distribution for entire session (03:30-07:15) 4.75 hours:
Antihelion: three: -2, 0, +3
Kappa Cygnids: twelve: -3, -1(2), +1(4), +2(2), +3(2), +4
Perseids: two: +1, +4
Sporadics: fifteen: 0, +1, +2(2), +3(8), +4(2), +5
Total meteors: thirty-two
The Kappa Cygnids did not seem abnormally bright this night.
More information about the Meteorobs
mailing list