(meteorobs) Obs: 10/11 August 2011

pmartsching at mchsi.com pmartsching at mchsi.com
Thu Aug 11 12:38:42 EDT 2011


I went out again to try my luck in the bright Moon light.  I saw several nice Kappa Cygnids and several late S D Aquarids.  

11 August 2011 06:30 - 10:00 UT

McFarland Park 4 miles NE of Ames, Story County, Iowa, USA

Showers looked for:
Antihelion
Capricornids: none seen
S Delta Aquarids
Kappa Cygnids
Eridanids: none seen
Perseids

06:30-07:30 UT 56 deg F; dew pt 54 deg F; wind West 3 mph; clear; gibbous Moon in South; average LM 5.0; facing ENE 50 deg; total teff 1.0 hour.
Perseids: seven: -2; +1; +2(2); +3(3) (brightest - yellow with 2 second train)
Sporadics: four: +2; +3(3)
Total meteors: eleven

07:30-08:30 UT 56 deg F; dew pt 54 deg F; wind calm; clear; gibbous Moon; average LM 5.3; facing ENE 50 deg; total teff 1.0 hour.
ANT: one: +1
KCG: one: -1 (yellow)
SDA: two: +1; +3
PER: five: +1; +3(3); +4
Sporadics: three: +3(3)
Total meteors: twelve

08:30-09:30 UT 55 deg F; dew pt 54 deg F; wind calm; clear; gibbous Moon set about 09:00 UT; average LM 5.6; facing ENE 50 deg; total teff 1.0 hour; 08:57 - 09:18 long lull when LM was best!  I saw one faint satellite and eight planes during the lull.
KCG: one: -3 (yellow)
SDA: one: +2
PER: nine: -3; 0(2); +1(3); +2; +3; +4 (brightest - yellow with 2 second train)
Sporadics: four: +3(3); +4
Total meteors: fifteen

09:30-10:00 UT 53 deg F; dew pt 53 deg F; wind SW 3 mph; clear; average LM 5.5; facing NW 50 deg to avoid morning twilight; total teff 0.5 hour (30 minutes)
KCG: one: -2 (yellow)
PER: nine: -1; 0; +1; +2; +3(4); +4
Sporadics: four: +1; +3(3)
Total meteors: fourteen (30 minutes)

Total Perseids last hour (09:00 - 10:00) only eleven because of long lull.


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