Obs May 31

From: Leo Barhorst (leobarhorst@zonnet.nl)
Date: Sat Jun 01 2002 - 08:26:34 EDT


A splendid night for observing.
Venus and Jupiter shining bright in the west.
At 20:53 UT ISS made a nice pass. It was S, mag -1.
Saw it also on its next pass when it slowly faded in the earthshadow.
Observed till just after midnight (UT).

00- 42 B 02-05-31 22:59      LB                       almost S, 7

01- 56 F 02-05-31 22:09:52   LB  232.6 0.2 220  1.057 FF, 3->i
A nice high pass, With the period now above 1 sec it is easier to
measure. Timings at every 10th flash: 10.55 10.55 10.75 10.40 10.61
10.51 10.57 10.34 10.58 10.81 10.27 10.41 10.66 20.98 10.70 10.48
10.58 10.83 11.02 10.77 10.18 sec.

01- 56 F 02-05-31 23:51:38   LB  199.9 0.2 190  1.052 Ff, 5->i
Second pass low in the NW->W. Timings every 10th flash: 10.50 10.58
10.47 10.52 10.52 11.40(11) 9.60(9) 10.48 10.32 10.90 10.19 10.68 
10.60 10.53 10.54 10.32 10.64 10.43 10.71 sec. 

02-  5 B 02-05-31 23:18      LB                       almost S, 7
02-  5 C 02-05-31 21:56      LB                       S, 6
02-  5 E 02-05-31 23:55      LB                       S, 6
Three of the latest Iridiums, no flaring.

02-  9 B 02-05-31 21:30      LB                       S, 5

02- 21 B 02-05-31 21:38      LB                       S, 4
When first seeing this sat it was followed by another sat at about
8 degrees, just a bit more than the FOV in my 7x35 bino. The second
sat was also S, 4 at first but dimmed towards zenith and became inv
after zenith. 

76- 19 A 02-05-31 22:53:27   LB  148.5 0.2  30  4.95  FF, 4->i
Several flashes were almost inv. Later in the pass rapid trains of 
flashes were seen. Timings: 9.96 9.88 4.90 4.91 4.94 4.92 5.00 19.84
4.98 4.88 9.88 1.90 42.67(rapid flashes) 4.93 4.89 9.98 sec. 

82- 25 A 02-05-31 23:21      LB                       S, 4

90- 10 A 02-05-31 23:10      LB                       almost S, 5

90- 17 B 02-05-31 22:48:37   LB   94.2 0.5   4 23.6   AA, 5->i
Timings: 23.15 22.31 21.61 27.14 sec.

91- 68 G 02-05-31 21:48:14   LB  111.5 0.2  18  6.19  FF, 5->i
Nice flashing, but hard to get good timings: 6.42 5.66 5.14 6.21
4.18 4.74 6.08 6.45 5.80 13.76 5.71 5.86 6.29 6.36 4.88 3.10 2.61
2.72 3.07 6.47 sec.

92- 36 B 02-05-31 23:33      LB                       almost s, 7

92- 76 B 02-06-01 00:05      LB                       slowly var 4->5

93- 16 B 02-05-31 23:37      LB                       S, 4

96- 17 B 02-05-31 22:27      LB                       slowly var, 6->i

96- 52 B 02-05-31 22:36:57   LB  108.7 0.5   4 27.2   AA, 5->i
Timings: 27.34 26.71 54.64 sec.

98- 43 G 02-05-31 22:00      LB                       S, 3

2002: 351 observations
PPAS: 12222 observations

Greetings and clear, dark skies
Leo Barhorst Medemblik
52.76350 N  5.09114 E  2 m ASL
http://www.home.zonnet.nl/leobarhorst/index.html

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