LASCO Activity Report for
April 18, 2001 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.

Points Of Interest

Proton fluxes in C2 and C3 have returned to high levels 
following this morning's proton event.
Mercury presently in C3's field of view, moving right to left
Details of C3 transits are available at D. Biesecker's 
SOHO comet website. 

2001/04/17

08:06 UT  N East	Ragged front along narrow streamer widens in C2.
			Very faint slow loops follow, brighter front
			follows at 13:31

08:30 UT  W Limb	Faint spray, also very faint narrow front 
			somewhat to N.

12:30 UT  S West	Faint spray

16:30 UT  N East	Another front/blob along same streamer as
			08:06 and 13:31 events

21:54 UT  N East	Faint amorphous front somewhat to S of streamer.
			Brighter core follows but fabes in C2. Very faint
			narrow loop fronts follow

2001/04/18

02:30 UT  S West	Very fast bright front fills quadrant and disrupts
			streamers to N and S. N East streamer also disrupted.
			By 03:30 very faint extensions visible around entire 
			C2 occultor. 1388 km/s, proton event. Major flare
			from AR 9415? Large loops in S West vanish at 02:36,
			followed by EIT wave/dimming. Cavity and loop core
			follow in S West, gusty outflow along N West streamer.
	C2 Running Difference movie.
	C3 Running Difference movie.