Obs 980201 evening
Leo Barhorst (leobarha@wxs.nl)
Sun, 01 Feb 1998 22:11:29 +0100
After a cloudy day, it cleared in the afternoon and it became
very clear in a cold winterevening.
63- 30 A 98-02-01 18:37:56 LB 129.8 0.5 2 64.9 AA, mag 7->8
72- 89 A 98-02-01 19:16:11 LB 96.8 0.2 2 48.4 FF, mag 5->inv
Showed flashes inbetween at irregular intervalls
74- 48 B 98-02-01 19:21:35 LB 15.7 0.5 4 3.9 AA, mag 5->inv
78- 18 B 98-02-01 18:06:14 LB 65.3 0.2 20 3.27 FF, mag 4->inv,
sm, mag 7
78- 42 A 98-02-01 19:18:55 LB 50.9 0.5 4 12.7 AA, mag 4->inv,
sm, mag 6
80- 3 B 98-02-01 18:43:13 LB 94.1 1.0 1 94 MM, mag 5->inv
80- 87 B 98-02-01 19:47:57.2 LB 1183.2 0.2 145 8.160 FF,mag 6->inv
Not observed continuously, but in three parts. Total time is between the
start of the first observation and the end of the last. Each period had
a
maesuered of 8.161 8.156 and 8.160 sec over 10, 10 and 6 periods. The
Fleetsatcom 4 rocket was at a height of 6800 km.
82- 30 B 98-02-01 18:20 LB S, mag 4
83- 4 A 98-02-01 17:37 LB S, mag 4
84- 65 C 98-02-01 19:01:22 LB 36.0 0.2 30 1.20 FF, mag 5->inv
85- 94 G 98-02-01 20:10:14 LB 132.0 0.5 10 13.20 aA, mag (6)5->inv
86- 61 A 98-02-01 18:00:47 LB 24.4 0.2 14 1.74 'FFF-'FFF, mag
4->inv
86- 61 A 98-02-01 19:59:08 LB 35.2 0.2 20 1.76 'FFF-'FFF, mag
4->inv
Easy to time in the beginning of the pass as after the third flash there
a gap
of one flash. Later in the pass Ajisai flashes continuously.
86-100 B 98-02-01 18:27 LB almost S, mag 5
89- 89 A 98-02-01 17:54 LB S, mag 7
96- 14 B 98-02-01 18:46:48 LB 76.9 0.5 8 9.6 a'AF-a'AF,
(6)5(4)->inv
Complex pattern. The maximum consists of three flashes. Measured on the
second
flash as this one stayed almost the same during the pass. The first and
third
flash changed in time with respect to the second.
97- 20 F 98-02-01 17:52 LB S, mag 4
The delta rocket of the first Iridiumlaunch. Also saw Iridium 7, 97- 20
B at
17:41; it was S, mag 7
97- 48 A 98-02-01 18:50 LB almost S, mag 7
--
Greetings and clear skies
Leo Barhorst Alkmaar The Netherlands
52.65 N 4.767 E 3 m a.s.l.