LASCO Activity Report for
May 25, 2004 SOHO Science Daily Meeting

Event times are first frame seen in C2 camera unless otherwise noted.
These are preliminary observations for the daily SOHO science discussions.
Final analysis is reported on the Lasco CME list.
An archive of these reports is available.

Points Of Interest

SOHO Telemetry Submode changed to Submode 5 on 2004/04/13 at 16:00 UT 
(SUMER began observing on 2004/04/14). SUMER campaign runs until 2004/06/17.
In other words, LASCO synoptic observation plan cadence remains the same
but the EIT CME watch images will be reduced to half-resolution (512x512)
during that period.

2004/05/24 (Monday)

05:06 UT  W Limb        Very narrow ragged front. It is followed by several 
			similar faint fronts, in particular at: 09:26, 14:26, 
			and 17:50 UT. They all fade throughout C2.

07:27 UT  S East        Ragged and diffuse loop front. It fades throughout C3.
			Extremely faint extensions over the S Pole (in fact
			barely visible); not possible to discern whether they 
			are part of the same event or not.

21:26 UT  N Pole	Bright front (1) and structured interior, followed at
			23:17 UT by an elongated loop-like front at roughly
			the PA of the leg on the NE Limb. At ~01:27 UT on the
			the next day, another elongated loop-like front at 
			roughly the PA of the leg on the NW Limb. The 'complex' 
			event ('complex' as seen in the FOV of the coronagraphs) 
			spans ~115 deg in C3 FOV by 06:18 UT (on next day), 
			from PA 300 - 055. The mean plane-of-sky speed of
			the LE of (1) was ~344 km/s at PA 11 deg (based on C3
			data). EIT Fe XII shows a filament eruption across the
			central meridian in the northern hemisphere starting 
			at around 18:00 UT.

2004/05/25 (Tuesday)

01:27 UT  N West	Elongated loop front and apparently twisted trailing
			material. Gusty outflow follows.

02:26 UT  W Limb	Fan-like front.

05:50 UT  N Pole	Elongated loop fronts.