Obs september 10, 11, 12
Barhorst L.J.C. (L.J.C.Barhorst@arcadis.nl)
Wed, 15 Sep 1999 09:22:49 +0200
It seems that this message didn't get through to the seesat-l list.
Sorry if you recieve it more than once.
It was send twice on the 13th and now on the 15th.
Leo
A nice septembersummer gave clear nights in the weekend.
It was possible to do some nice observing.
Sunday evening before clouds came in 99- 34 B made a beautiful
pass; 50 minutes later I could observe 99- 39 B between clouds.
76- 67 B 99-09-11 03:05:35 LB 48.0 0.5 4 12.0 AA, 6->7
Slow variations
78- 18 B 99-09-10 20:59:28 LB 12.6 0.2 4 3.2 FF, 6->inv
Sometimes dtm; just a few flashes visible
81- 59 A 99-09-10 20:50:23 LB 54.2 0.2 10 5.42 'Ffff'F, 4(5)->inv
81- 59 A 99-09-11 20:35:05 LB 54.0 0.2 40 1.35 FfffF, 3(5)->inv
The first obs was on the bright flashes, every fourth; in the second obs
every flash was measured
87- 11 A 99-09-11 02:10:18 LB 64.8 0.5 10 6.48 AA, 5->7
87- 11 A 99-09-11 20:24:48 LB 65.0 0.5 4 16.2 AA, 4->6
The obs was difficult; normally the period is around 6.5 sec
87- 49 B 99-09-11 02:57:32 LB 95.2 0.5 4 23.8 AA, 4->6
87- 74 G 99-09-10 20:46:19 LB 50.1 0.5 4 12.5 AA, 6->inv
Both sats seems to have accelerated; to be checked
90-111 B 99-09-11 19:35:04 LB 90.7 1.0 2 45.3 MM, 4->7
Slowly going up
92- 12 B 99-09-10 20:26:50 LB 64.8 0.5 4 16.2 AA, 5->inv
Slowly going up
92- 20 B 99-09-10 20:30 LB almost S, 4
Still (almost) S
93- 8 B 99-09-11 02:21:54 LB 141.8 0.5 4 35.5 AA, 4->inv
After two almost S obs; this one fits the regression line
93- 36 B 99-09-10 20:17 LB var, 5->6
Stays dtm
93- 61 A 99-09-10 20:53:36 LB 90.5 0.2 11 8.23 FF, 3->inv, sm, 4
In july 16 sec; in august 4 sec and now 8 sec; looks like double and
half periods
94- 77 B 99-09-10 20:24 LB S, 6
Remains (almost) S
94- 85 B 99-09-10 21:30:59 LB 116.2 0.5 4 29.1 AA, 6->inv
Keeps on going up and down a bit; but generally going up
95- 2 D 99-09-11 03:02 LB almost S, 5
Remains (almost) S
96- 4 B 99-09-10 20:20:48 LB 63.5 0.5 6 10.6 AA, 5->inv
Going up slowly
96- 71 B 99-09-11 02:28:22 LB 62.6 0.5 2 31.3 AA, 6->inv
To be watched; seems to accelerate slowly
97- 28 C 99-09-11 02:46:24 LB 78.8 1.0 2 39.4 MM, 6->inv
97- 28 C 99-09-11 19:48:22 LB 155.2 1.0 3 51.7 MM, 6->7
Dtm
97- 77 B 99-09-11 20:09 LB S, 6
98- 7 D 99-09-10 21:35:36 LB 123.8 0.5 4 31.0 MM, 5->inv
Was measurable this obs
98- 43 G 99-09-10 21:22:31 LB 168.6 2.0 3 56 MM, 3->inv
Due to the long period dtm
98- 76 B 99-09-11 02:03:07 LB 117.4 0.5 13 9.03 AA, 5->inv
Going up slowly
99- 19 E 99-09-11 19:23:01 LB 75.7 0.2 10 7.57 AA, 3->inv
Going up normally
99- 22 A 99-09-11 19:16 LB var, 7->8
Not measurable
99- 22 C 99-09-11 19:43:33 LB 12.7 0.2 40 0.32 FF, 4->4.5, dtm
Was very dtm; brightness change just faintly visible
99- 25 C 99-09-11 19:39:37 LB 120.2 0.2 30 4.01 AA, 4->inv
Going up slowly
99- 34 B 99-09-12 19:02:06 LB 105.7 0.5 10 10.57 AA, 3->inv
Going up slowly
99- 39 B 99-09-10 20:37:20 LB 292.4 0.2 400 0.731 FF, 3->inv
99- 39 B 99-09-11 19:26:23 LB 117.6 0.2 172 0.684 FF, 3->inv
99- 39 B 99-09-12 21:52:32 LB 153.2 0.2 224 0.684 FF, 3->inv
First obs was along almost the whole pass; period influenced by
the synodic effect
99- 43 E 99-09-11 19:53 LB S, 5.5
Remains S
Greetings and clear, dark skies
Leo Barhorst, Medemblik 768 obs in 1999
52.767 N 5.09 E 2 m ASL