(meteorobs) Obs: 21/22 April 2007

[pmartsching at mchsi.com]

22 April 2007 03:30 - 09:15 UT (CDST 21/22 April 10:30pm - 04:15am)

Paul Martsching
McFarland Park Observatory 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; 66 degrees F; wind South 12 mph; clear; 30% lit Moon in West;
average limiting magnitude 5.5; facing East 50 degrees; Total teff 1.0 hour
Time   mag.   type   comment
03:31  +3     Spor
03:43  +1     ANT
03:51  +1     Spor
04:03  +3     Spor
04:27  +4     Spor
Antihelion: +1
Lyrids: none
Sporadics: +1, +3(2), +4
Total meteors: five

05:00-06:00; 62 degrees F; wind South 12 mph; clear; 30% lit Moon low in WNW;
average limiting magnitude 5.8; facing East 50 degrees; Total teff 1.0 hour
Time   mag.   type   comment
05:08  +3     Spor
05:13  -1     LYR    brief train
05:34  +4     Spor
05:36  +5     LYR
05:54  +2     Spor
05:56  +3     LYR
Antihelion: none
Lyrids: -1, +3, +5
Sporadics: +2, +3, +4
Total meteors: six

06:00-07:00; 59 degrees F; wind South 10 mph; clear; Moon set ~06:30; aver. lim.
magn. 5.9; facing East 50 deg; Total teff 1.0 hour
Time   mag.   type   comment 
06:10   0     ANT
06:12  +5     Spor
06:30  -2     LYR    yellow; brief train
Antihelion: 0
Lyrids: -2
Sporadics: +5
Total meteors: three

07:15-08:15; 55 degrees F; wind South 8 mph; clear; a bit of extremely thin
haze; aver. lim. magn. 5.8; facing East 50 deg; Total teff 1.0 hour
Time   mag.  type   comment
07:27  +3    Spor
07:33  +4    LYR
07:42  +3    LYR
07:45  +2    Spor
08:02  +4    Spor
08:09  +2    Spor
Antihelion: none
Lyrids: +3, +4
Sporadics: +2(2), +3, +4
Total meteors: six

08:15-09:15; 53 degrees; wind South 5 mph; clear; aver. lim. magn. 5.9; Total
teff 1.0 hour
Time   mag.  type   comment
08:29  +2    LYR
08:44  +4    LYR
08:50  +3    Spor
08:53  +1    LYR    yellow
09:02  +3    Spor
Antihelion: none
Lyrids: +1, +2, +4
Sporadics: +3(2)
Total meteors: five