LASCO Activity Report for
April 18, 2005 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 is in telemetry Submode 5 (since 2005/03/11 @ 15:00 UT).

- EIT 195 CME watch at half-res (512x512).
 
- Venus entered the C3 FOV from the right on 2005/02/26 
  (by the end of the day). Still visible.

2005/04/15 (Friday)

04:50 UT  ES East	Faint and diffuse ragged front.

08:50 UT  N West	Very faint expanding loop front.

15:26 UT  E Limb	Faint ragged loop front. It fades throughout C2.
			Gusty outflow.

16:26 UT  N West	Jet-like front.

2005/04/16 (Saturday)

02:06 UT  E Limb	Ragged loop front. It fades close to the inner edge
			of C3.

08:06 UT  N West	Elongated and narrow loop front that fades close to
			the inner edge of C3.

04:26 UT  E Limb	Faint and elongated front developing slightly toward 
			ENE. It quickly fades.

09:06 UT  E Limb	Ragged loop front. It fades close to the inner edge
			of C3.

14:06 UT  S East	Extremely faint front expanding toward the S Pole. It
			fades throughout C2.

16:50 UT  E Limb	Another ragged loop front. It fades throughout C3.

22:06 UT  E Limb	Not well definded loop front. It fades throughout C2.

NOTE: 
E Limb activity related to B-class X-ray activity on E Limb during the day.

2005/04/17 (Sunday)

02:06 UT  E Limb	Bright ragged loop front. It fades throughout C3.
			GOES recorded a C3.3 X-ray flare on S12E86 between
			01:34 - 01:52 UT with peak emission at 01:44 UT.

06:50 UT  N East	Kind-of reconexion event: A faint loop front expanding
			out and corresponding infalling material. Difficult to
			give an exact time of first appearance.
	
10:26 UT  SS West	Very elongated, narrow and diffuse loop front. It 
			fades throughout C2.

11:26 UT  E Limb	Faint and diffuse front preceding at 13:27 UT a bright
			loop front on ESE. Some gusty outflow. GOES recorded
			a C1.2 X-ray flare on NOAA AR 10752 (N03E09) between
			12:12 - 12:33 UT with peak emission at 12:24 UT, and
			a C2.1 X-ray flare on S12E81 between 12:42 - 12:55 UT
			with peak emission at 12:49 UT.

18:50 UT  N West	Diffuse and elongated loop front. It fades throughout
			C3.

21:26 UT  ES East	Bright loop front and trailing material. GOES recorded
			a C4.6 X-ray flare on NOAA AR 10755 (S12E76) between
			20:46 - 21:15 UT with peak emission at 21:07 UT. Gusty
			outflow into next day.

22:06 UT  WS West	Faint and diffuse front that quickly fades.

2005/04/18 (Monday)

00:06 UT  N East	Kind-of reconexion event: a Faint asymmetric loop front
			coming out and corresponding infalling material. 
			Difficult to give an exact time of first appearance.

09:26 UT  NN East	Faint blob-like fronts.

Time of the last C2 image analyzed: 13:50 UT.