Re: UNID

Ed Cannon (edcannonutaustin@netscape.net)
9 Sep 99 04:42:49 CDT

This has been an interesting week....

We had another evening with relatively favorable weather, and the UNID was
observed once again.  It seems to me that it has arrived approximately 11
minutes earlier each night on a similar track.  The most definite "landmark"
for me all three nights has been a star labeled "1" at about RA 21:20, Dec.
+19.5 in Tirion's Bright Star Atlas 2000.  On 7 Sept. the UNID went a couple
of degrees above (west of) that star at about 2:26:45.  On 8 Sept. it was
already north of that star when acquired at about 2:20.  On 9 Sept. it again
went west of that star, but at about 2:04:52.  

I believe that my huge error on my first reported "position" was that the
position was near where I first saw it, but the time was wrong.  So here are
somewhat corrected but still ROUGH positions:

1999-09-07, _______, RA 20:30-50, Dec +10 - +11
1999-09-07, 2:22:08, RA 21:00, Dec +16.8 
1999-09-07, 2:26:45, RA 21:10-15, Dec +21

1999-09-08, 2:20 - RA 21:10, Dec +25.5
1999-09-08, 2:37 - RA 21:40, Dec +39.7

1999-09-09, 2:04:52 - RA 21:10, Dec. 21 (or maybe a bit more to the west)

I really don't want to present them in a scientific-looking format, since they
are not truly scientific.  Maybe tonight (local, 1999 Sept 10 UTC), if we get
one more favorable night it will be at about RA 21:10, Dec. 21 at about 1:54
from the same location:  30.314N, 97.866W, 280m.  (I'd like to hope to find it
somewhat earlier, when it's a little  brighter.)
Wednesday evening Mike got some more good data.

On the way to the observing site, from the side of the road, we observed an
easy one-power pass of the tumbling QuickScat Titan rk. (25790, 99-34B).  A
minute later Globalstar 45 Soyuz rk. (25680, 99-19E) went tumbling west of the
zenith.  Then back into the car and on to BCRC.

Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA


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