Halo CME Mail

Date: Sat, 25 Nov 2000 22:39:53 +0000 (GMT)

From: Simon Plunkett

Subject: Partial halo CME on 2000/11/23 (again)

  ------------------------------------------------------------------------

UCMEO 93001 01125 2230/
01123 62030 90218 0651/ 200// 133// 41059
01123 61926 82200 26321 09239 2212/
99999

PLAIN

BT

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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       |
| Building 26, Room G-1,                         +1-301-286-3447       |
| Greenbelt, MD 20771.                   Fax:    +1-301-286-0264       |
++

---------- Forwarded message ----------
Date: Sat, 25 Nov 2000 22:37:21 +0000 (GMT)
From: Simon Plunkett
To: 55SWXScrew@schriever.af.mil, alara@antique.gsfc.nasa.gov,
    alice@slug.hao.ucar.edu, Mike Andrews ,
    angela@uvcs14.nascom.nasa.gov, antti.pulkkinen@fmi.fi,
    ari.viljanen@fmi.fi, asfc@ips.gov.au,
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    Bill Murtagh , bothmer@kernphysik.uni-kiel.de,
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    Space@afwa.af.mil, Chris StCyr ,
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    sunbeams@ra.nascom.nasa.gov, svirani@head-cfa.harvard.edu,
    SWEN , SWO@sec.noaa.gov,
    swolk@head-cfa.harvard.edu,
    Barbara Thompson , tomita@crl.go.jp,
    turnerr@anser.org, vbalu@racooty.ernet.in, WEBB@plh.af.mil,
    William.courtney@schriever.af.mil, WMISH@ISTP1.gsfc.nasa.gov,
    wneupert@sec.noaa.gov, Wradasky@aol.com, yanli@ssl.berkeley.edu,
    yashiro@cdaw.gsfc.nasa.gov, ysmdd@lepmdd.gsfc.nasa.gov,
    zsmith@sec.noaa.gov
Subject: Partial halo CME on 2000/11/23

As reported yesterday, LASCO and EIt observed a partial halo CME on
2000/11/23. The event was first seen in C2 at 20:30 UT, as a bright loop
over the SE limb. It later extended over a range about 135 degrees, from
PA 65 (NE limb) to PA 200 (SW limb). The measured speed in the plane of
the sky was 1059 km/s at PA 125 (SE limb).

EIT observed a filament eruption and subsequent arcade formation in or
near AR 9239 (located at S21 E63), beginning at 19:26 UT. This activity
extends over the SE limb, and probably extends behind the limb as well.

Images and movies of this event can be found at the LASCO ftp server:

ftp://ares.nrl.navy.mil/pub/lasco/halo/20001123b.

Best wishes,

Simon Plunkett.

++
| Simon Plunkett,              E-mail: plunkett@kreutz.nascom.nasa.gov |
| USRA, 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       |
++