Halo CME Mail

Date: Sat, 2 Feb 2002 18:06

From: Gareth Lawrence

Subject: Partial Halo CME on 2002/02/02, most probably backsided

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LASCO observed a wide partial halo CME on 2002/02/02. A bright front was
first seen in C2 in the NE at 14:54 UT and this front spanned ~220 deg
from PA 320 to 180, crossing both poles, by 15:30 UT.

GOES and EIT data show that the frontsided disk was extremely quiet
during this time. This event has therefore been determined backsided.
Movies of this event may be found at

http://lasco-www.nrl.navy.mil/rtmovies.html

Please note also that a sizeable coronal hole is about to rotate onto
the sun-earth line, so some geomagnetic disturbances may be recorded
in the near future.

Best wishes,
        Gareth Lawrence.

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| Gareth Lawrence,                   E-mail:grl@kreutz.nascom.nasa.gov |
| SOHO-LASCO Operations Scientist,                                     |
| CUA, Mail Code 682.3,                                                |
| NASA Goddard Space Flight Center,      Phone:  +1-301-286-2941       |
| Building 26, Room G-1,                         +1-301-286-3447       |
| Greenbelt, MD 20771.                   Fax:    +1-301-286-0264       |
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