Re: Observations Sun Evening: 3 Surprises

Tristan Cools (
Tue, 13 May 1997 22:00:58 +0200 (MET DST)

>> 04:52:05   Unexpected satellite moving northward through Bootes
>>            and Ursa Major. Glint at mag 0, then faded to 4.
>>            Believed to be #23233, DMSP B5D2-7. Predicted mag 5.
>This is fairly common for the DMSP's.  I've seen several passes especially
>near zenith that show a relatively long and bright 'glint'.  They are not
>short repeating flashes such as  SPOT 3  or  MOA 1A are showing at the

True, I have a picture here of 20978/90-105A showing two glints in the order
of mag +1.
Some B5D2-DMSP satellites and especially this one also shows(sometimes), at
low elevations, a flash period of exactly 1.9 seconds.  Does someone know
were those flashes come from ?

Tristan Cools
BWGS member(Belgian Working Group Satellites)

Damse Vaart:    3.2478E/51.2277N 3.75m
Rijckevelde:    3.2856E/51.2045N 6.25m
Brugge     :    3.2166E/51.2104N 5m