I tried sending this message to the list yesterday, but it did not appear to have arrived. Here is the message again. ---------------- Hi everyone, An interesting observing opportunity for european observers will present itself on the evening of Tuesday 14th December 1999. The bright flashing geostationary satellite Gorizont 23 will pass within 1/2 a degree of Raduga 27, which is also a bright geoflasher, as it drifts slowly westerwards. Closest approach will be around 18:30UT, 14th Dec 1999, although both satellites will be in the same low power field of view throughout the evening. Both satellites are currently flashing as brightly as mag+5 or mag+6, so may be visible in binoculars. Gorizont 23's period is currently around 51s and decreasing, whilsts Raduga 27's last reported period was 76s and increasing. I glimpsed Raduga 27's flashes using 10x50 binoculars from where I work last week, but did not manage to get a timing due to the sudden arrival of clouds. Here are recent elements for both satellites; Raduga 27 1 21132U 91014A 99340.92455549 +.00000115 +00000-0 +00000-0 0 02802 2 21132 005.5053 066.3636 0005340 200.0200 159.7175 01.00281209032154 Gorizont 23 1 21533U 91046A 99341.81964626 +.00000065 +00000-0 +10000-3 0 01922 2 21533 004.9808 064.0393 0006952 126.7859 233.0105 00.98906043024908 If you do manage to get timings of either satellites flash period please send your observations to the BWGS flash period database; ppas@lists.satellite.eu.org Best wishes & clear skies, Jason Jason P Hatton 06200 Nice France 43.692N, 7.246E,30M (43d41'29"N,7d14'47"E,30m) http://www.geocities.com/CapeCanaveral/Hangar/1668/high-alt.htm ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html