Halo CME Mail

Date: Mon, 18 Dec 2000 17:25:30 +0000 (GMT)

From: Simon Plunkett

Subject: Full halo on 2000/12/18

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UCMEO 93001 01218 1720/
01218 61150 91542 0001/ 360// 723// 40345
01218 61112 81542 10314 09269 1112/
99999

PLAIN

BT

LASCO and EIT observed a full halo CME today, 2000/12/18. The event was
first visible in C2 as a bright front over the N pole at 11:50 UT. It
later extended over all PA, but remained faint in the S. The measured
speed in the plane of the sky was 345 km/s at PA 0 (N pole).

EIT observed a flare, with associated dimming and wave event, in AR 9269,
located at about N14 E03. The EIT event began at 11:12 UT. The flare was a
C7.0 X-ray event.

Images and movies of this event are available at the LASCO ftp server:

ftp://ares.nrl.navy.mil/pub/lasco/halo/20001218.

Best wishes,

Simon Plunkett.

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| Simon Plunkett,              E-mail: plunkett@kreutz.nascom.nasa.gov |
| USRA, Mail Code 682.3,                                               |
| NASA Goddard Space Flight Center,      Phone:  +1-301-286-2941       |
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