geosat obs
Rainer Kracht (r.kracht@elmshorn.netsurf.de)
Thu, 21 Oct 1999 14:51:52 +2
Observations with 4" telescope from 9.6626 east, 53.7695 north
geostationary belt at delta = -7.6 to -7.5 (2000.0)
1999 Oct 12 Sun delta -7.49
mag limit 10.0
obs at RA 0h14.5m 20 minutes before shadow ingress
21:56 UTC two satellites from the Hot Bird cluster: mag 9.0 and 9.5
there are five Hot Birds at lambda = +13 deg
1999 Oct 15 Sun delta -8.60 to -8.63
mag limit 10.1
obs at RA 1h13.9m 11 to 2 minutes before shadow ingress
21:24.5 UTC Turksat 1B (94-49B, +31.3): mag 9
21:27.9 Arabsat 2B (96-63A, +30.5): mag 9.5
DFS 2 (90-63B, +28.5): not seen
Astra 2A (98-50A, +28.2): not seen
21:39.7 Sirius 3 (98-56B, +27.9): mag 9.5
21:47.6 Arabsat 3A (99- 9A, +26.0): mag 9.5
21:48.1 Arabsat 2A (96-40A, +26.0): mag 9.5
DFS 3 (92-66A, +23.6): not seen
22:09.5 Afristar (98-63A, +21.0): mag 8
22:17.5 six satellites from the Astra cluster (+19.25)
two sats mag 6, four sats mag 8
a magnificent sight with 10x50 binoculars!
22:30.0 Italsat 2 (96-44A, +16.4): mag 8.5
22:31.4 Eutelsat W2 (98-56A, +16.0): mag 9.5
22:44.5 four satellites from the Hot Bird cluster (+13.0)
two sats mag 8, two sats mag 9
Eutelsat 2F-4 (92-41B, +10.0): not seen
23:10.8 Eutelsat W3 (99-18A, + 7.0): mag 9.5
1999 Oct 16 Sun delta -8.99
mag limit 10.6
22:15 UTC brightest Astra sat mag 6.5 (10x50)
22:44.0 Italsat 1 (91- 3A, +13.1): mag 9
RA 1h18.0m, Decl -9.63 deg
1999 Oct 17 Sun delta -9.36 to -9.37
mag limit 10.3
22:15 UTC brightest Astra sat mag 7.0 (10x50)
Italsat 1 (91- 3A, +13.1)
22:40.1 RA 1h18.0m, Decl -9.63 deg mag 9.8
22:44.7 1 22.7 -9.58 9.5
22:53.4 1 31.4 -9.54 8.8
23:09.5 1 47.5 -9.49 8.0
23:22.9 2 01.0 -9.40 8.4
23:43.8 2 21.9 -9.31 10.1
Italsat 1 passed south of the Earth's shadow
closest approach was about 22:53
Rainer
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