LASCO Activity Report for June 18, 2010
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

EIT and LASCO annual telescope calibrations were taken.  These are the dates and
times of those calibration blocks which disrupted the normal synoptic programming.

	June 14, 2010	22:19 - 02:15 UT
	June 15, 2010	13:30 - 14:30 UT 19:40 - 00:50 UT
	June 16, 2010	22:50 - 04:20 UT

Kreutz family comets:

	June 14, 2010 Two comets in the field at the same time, this would make
	a second instance of "Twins" discovered in the SOHO mission.

		6/14/2010	01:31 UT Kreutz family comet in C2
		6/14/2010	03:30 UT Kreutz family comet in C2
	
		6/15/2010	09:54 UT Kreutz family comet in C2

2010/06/13 (Sunday)

06:30 UT  NNW@304°	Helmut front quickly develops a bright symmetric loop with
			cavity and core.  Twisted flux interior legs.  Outflows.
			20100613_1034_c2 diff image.
			Prominence related.

06:30 UT  SW@252°	Ragged burst under compression from the NW event.  Small core
			twisted structure.

16:30 UT  NW@290°	Small blob along outflows of NW 06:54 UT event.

21:54 UT  SW@244°	Very faint loop with southward shift. Expands 70 deg wide.

2010/06/14 (Monday)

01:31 UT  NW@294°	Rough LE front, spray. 75° wide.

	01:31 UT Kreutz family comet enters C2 field, bottom right.

	03:30 UT Kreutz family comet enters C2 field, bottom right.

08:06 UT  SSE@125°	Twisted outflowing along SE streamer.

18:54 UT  SSE@125°	Slow developing multiloop front brings bright dual
			core blowout.  Breaks free by 6/15 04:06 UT.

2010/06/15 (Tuesday)

00:55 UT  NE@65°		Impulsive narrow outflow, twisted structure.

	09:54 UT Kreutz family comet enters C2 field, bottom right.

2010/06/16 (Wednesday)

03:54 UT  SW@250°	Rough front with rotation of core.  Dissipates quickly.
			Outflows.

15:07 UT  NE@78°		Faint wide loop, symmetric.  103° wide.  
			As loop gets to 5.5Rsun, at 20:56 UT a second loop in 
			same PA follows with cavity and dense core with counter
			clockwise rotation.  Prominence related. 

2010/06/17 (Thursday)

05:30 UT  NW@299° 	Small puff, rough LE with small core.

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