Halo CME Mail

Date: Tue, 5 Sep 2000 15:26:17 +0000 (GMT)

From: Simon Plunkett

Subject: Partial halo CME on 2000/09/04

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LASCO and EIT observed a partial halo CME yesterday, 2000/09/04. The event
was first visible in C2 as a bright front over the NW limb at 06:06 UT. A
highly structured prominence core was seen behind the leading edge. The
CME extended from about PA 230 (SW limb) over the N pole to PA 25, a total
extent of about 155 degrees. The measured speed of the leading edge was
693 km/s at PA 320 (NW limb).

EIT observed the eruption of part of an extended filament, located on the
disk at about N26 W37. This eruption began at about 04:36 UT. The part of
the filament that erupted was oriented almost north-south.

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

ftp://ares.nrl.navy.mil/pub/lasco/halo/20000904.

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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