Obs 970321-22

Leo Barhorst (leobarhorst@pi.net)
Sat, 22 Mar 1997 12:14:15 +0100

Last evening it was almost unclouded for half an hour; I made 4 nice obs.
This morning it was cristal clear with temperatures at the freezing point.
Hale-Bopp was spectacular to view; the coma very bright, mag 1 and a nice tail.

I saw some 'unID' satellites. Using Skymap and the 8000+ Alldat tle file from
Mike McCant it was easy to identify all four unid's: 90-114 F, 94- 78 B, 83- 31 B
and 72- 49 B. When observing I mark some stars the unid is passing and so I can
adjust the FOV (field of view) in Skymap. Entering the obs date and time and about 5 
minutes later the whole alldat tle file is scanned. Unless it is a very recently 
catalogued object the unid can be identified by comparing the plotted tracks on the 
screen with the one observed.
It takes some time to get used to Skymap, but all is very well documented and the
menus are straight foreward.
I like it quite a lot.

The obs:

70- 25CD 97-03-21 19:55:46   LB   50.2 0.1  50  1.003 FF, mag 5->inv
Nice flasher

72- 49 B 97-03-22 03:49      LB                       S, mag 4
76-118 J 97-03-22 02:33:11   LB   52.9 1.0   1 53     MM, mag 6->inv
78- 18 B 97-03-22 02:04:59   LB   62.0 0.2  20  3.10  FF, mag 6->inv
Is going up again after a slight accelerating

83- 31 B 97-03-22 03:41:10   LB                       S, RA=14h40 d=+30
86- 19BJ 97-03-22 03:59:05   LB   56.4 0.1  20  2.82  FF, mag 3->inv
Still going down slowly

86- 37 B 97-03-22 03:16      LB                       slowly var, mag 5->7
88-102 A 97-03-22 04:25:47   LB  110.7 1.0   2 55.3   MM, mag 3->6
89- 17 B 97-03-22 03:11:47   LB   88.9 0.2   4 22.2   AA, mag 5->inv
90-  4 B 97-03-22 03:56:27   LB   51.5 0.5   4 12.9   AA, mag 5->inv
90-114 F 97-03-13 04:48:00   LB                       S, mag 6
92- 30 J 97-03-22 02:45:28   LB   99.1 0.2   6 16.52  FF, mag 5->inv
Going up slowly

93- 50 A 97-03-22 03:08:03   LB   35.5 0.2   4  8.9   FF, mag 4->inv
94- 24 B 97-03-22 02:17:19   LB  118.2 0.5   2 59.1   AA, mag 4->inv
94- 74 B 97-03-21 20:05:40   LB  241.2 0.5   4 60.3   AA, mag 4->6
94- 78 B 97-03-22 03:33      LB                       S, mag 5
96- 46 C 97-03-21 20:15      LB                       almost S, mag 4
96- 51 A 97-03-22 04:03      LB                       S, mag 5
96- 51 B 97-03-21 19:45:20   LB   85.4 0.1 100  0.854 FF, mag 3->inv
96- 51 B 97-03-22 04:34:59   LB  222.6 0.1 260  0.856 FF, mag 3->inv
Nice flasher, is going up slightly

96- 52 A 97-03-22 02:55      LB                       almost S, mag 5
96- 52 C 97-03-22 03:39      LB                       almost S, mag 5
97-  6 D 97-03-22 02:24      LB                       var, mag 7->8
97-  6 F 97-03-22 03:22      LB                       slowly var, mag 5->6
97-  6 G 97-03-22 02:29      LB                       S, mag 5
I tried, but didn't succeed in observing 97- 06 A, B and E

-- 
Greetings and clear skies

Leo Barhorst		Alkmaar			The Netherlands
52.65 North		4.767 East		1 m ASL
Member of Seesat-L
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Every day I wonder about the things I see in the (night)sky