(meteorobs) Preliminary Report: Nov 16/17, 1997

• To: 100114.1361@compuserve.com
• Subject: (meteorobs) Preliminary Report: Nov 16/17, 1997
• From: Mark Davis <MeteorObs@Charlestondot net>
• Date: Mon, 17 Nov 1997 10:01:29 -0500
• Cc: PETER@danlon.physics.uwodot ca, MeteorObs@Charlestondot net, peter@max.arc.nasadot gov, meteorobs@latrade.com, jrendtel@aipdot de
• Reply-To: meteorobs@latrade.com
• Sender: owner-meteorobs

Upon waking to a clear but freezing night, I decided to head for a local
island as the temperatures there are usually a couple of degrees warmer.
Even so, it was just plain cold. A steady wind blowing out across the ocean
and "variable" meteor rates did not help matters.

I was able to observe for four hours beginning at 0100 EST (0600 UT). With
only four minutes left in my initial hour, the first Leonid appeared, a +1.0
magnitude with a 1 second train (0156 EST/0656 UT).

The next hour seven Leonids were observed, three sporting trains. The rate
at which meteors were appearing (both Leonid and sporadics) seemed to "cut
off" after a 15 minute break at 0300 EST/0800 UT. During that third hour
only five Leonids and two sporadics were observed, resembling the first hour
of the night when the radiant was lower. The best Leonid rate did pick up my
last hour when nine were observed during the period 0415-0515 EST/0915-1015
UT. The raw counts follow:

0600-0700     (LEO)1     (SPO)4
0700-0800     (LEO)7     (SPO)5
0815-0915     (LEO)5     (SPO)2
0915-1015     (LEO)9     (SPO)3

The sky was clear the entire session, but my location did suffer from a 10
percent obstruction the entire session (F=1.11). Limiting magnitudes
fluctuated in the +4's. A full report will be sent as usual.

-Mark Davis

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