(meteorobs) Obs: 19/20 Oct 2007

[pmartsching at mchsi.com]

20 October 2007 06:00-10:45 UT (CDST 19/20 Oct 1:00-5:45am)

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

EGE = Epsilon Geminids
ORI = Orionids
NTA = North Taurids
STA = South Taurids
Spor = Sporadics

06:00-07:00; 43 deg F; wind SW 6 mph; clear; aver.lim.mag. 6.1; facing ESE 45
deg; total teff 1.0 hour
EGE: none
ORI: seven: 0; +1(2); +2(2); +3; +4
NTA: none
STA: two: +2; +3
Sporadics: four: +2(3); +3
Total meteors: thirteen

07:00-08:00; 42 deg F; wind calm; clear; aver.lim.mag. 6.0; facing ESE 45 deg;
total teff 1.0 hour
EGE: none
ORI: eight: +1(2); +2(3); +3; +4; +5
NTA: none
STA: none
Sporadics: four: -2; -1; +3, +4
Total meteors: twelve

08:00-09:00; 40 deg F; wind calm; clear; aver.lim.mag. 6.0; facing ESE 45 deg;
total teff 1.0 hour
EGE: none
ORI: nine: -4; -3; +1; +2(2); +3(3); +4
NTA: one: +1
STA: two: +1; +2
Sporadics: five: -1; +1; +2; +3(2)
Total meteors: seventeen

09:00-10:00; 39 deg F; wind calm; clear; aver.lim.mag. 6.0; facing ESE 45 deg;
total teff 1.0 hour
EGE: none
ORI: sixteen: -1; -1; 0(3); +1(4); +2(3); +3(2); +4; +5
NTA: one: +1
STA: none
Sporadics: ten: +1(3); +2(2); +3; +4(4)
Total meteors: twenty-seven

10:00-10:45; 40 deg F; wind calm; clear; aver.lim.mag. 5.9; some twilight
noticeable in East by 10:45; facing ESE 45 deg; total teff 0.75 hour
EGE: none
ORI: eleven: -2; -1; 0; +1; +2(2); +3(3); +4(2)
NTA: none
STA: one: +2
Sporadics: six: 0; +2(2); +3; +4(2)
Total meteors: eighteen (forty-five minutes)

Magnitude distribution for entire session (4.75 hours):

EGE: none
ORI: fifty-one: -4(2); -3; -2; -1(2); 0(5); +1(10); +2(12); +3(10); +4(6); +5(2)
NTA: two: +1(2)
STA: five: +1; +2(3); +3
Spor: twenty-nine: -2; -1(2); 0; +1(4); +2(8); +3(6); +4(7)
Total meteors: eighty-seven