Subject: SOHO/LASCO Partial HALO CME 110619 UCMEO 93001 10620 2013/ 10619 61636 80130 0021/ 216// 323// 40567 10619 61548 81657 24115 11237 1112/ 99999 PLAIN SOHO/LASCO observed a Partial HALO CME on June 19, 2011. Event is first seen in C2 at 16:36 UT as bright loop at PA 123 degrees with cavity and core. The front expands with extensions PA 002-216 degrees for a total coverage of 216 degrees over the East hemisphere. The event continues into the C3 field beginning 17:18 to 01:30 UT out to 26.2 Rsun where it dissipates. Time/height measurements were marked at 7 points in C2 with speeds of 664.0 Km/sec at position angle 119 degrees. The event is marked to 15 points in C3 where it slightly decelerates. Speeds average through both fields to 566.8 Km/sec at PA 117 degrees. Acceleration of -8.64 m/sec^s. SDO/AIA 193 shows a cme begin from AR 11237 approximately 15:48 UT with a wave expanding prior to a long duration flare of the AR 11237 16:36-16:57 UT. STEREO EUVI B beacon data shows dimming beginning at 15:55-16:35 UT in the SW field. COR2 B cme beginning 17:39 UT with emission expanding over the west hemispheres. NOAA reports a long duration C1.5 xray flare of AR 11237 16:03-16:53 UT. This is most probably the cause of the Partial HALO event seen in LASCO. The observation of this event is considered 'GOOD'. This CME is determined a FRONTSIDED event. Images and movies and time/height information for this event is available on the web at: http://umbra.nascom.nasa.gov/lasco/observations/halo/2011/110619/ Best regards, Kevin Schenk Solar Heliospheric Observatory EIT and LASCO Operations NASA-Goddard Space Flight Center, USA BT