SOHO/LASCO CME Catalog

CME heights (with respect to the disk center) are measured at the fastest segment of the leading edge.

PA= Position Angle measured from Solar North in degrees (counter-clockwise)

Halo CMEs are indicated in the "Central PA" column. The letters ("S", "BA", "OA") in the brackets show type of halo CMEs. See examples.

Click on date to view Java script movie of the CME.

Click on time to see height-time measurements as a text file.

Click on speed to view height-time plots of the CME.

Beware of data gaps. Check for LASCO/C2 data gaps here.

A complete description of the catalog

Click here to search the entire catalog.

First C2 Appearance
Date Time [UT] Central
PA
[deg] Angular
Width [deg] Linear
Speed [km/s] 2nd-order Speed at final height [km/s] 2nd-order Speed at 20 Rs [km/s] Accel
[m/s²] Mass
[gram] Kinetic
Energy
[erg] MPA [deg] Movies, plots, & links Remarks

2010/01/01 06:54:03 354 6 330 396 959 35.5^*1 ---- ---- 355 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2010/01/01 08:30:03 248 75 148 244 220 1.9^*1 4.2e+14 4.6e+28 253 C2 C3 195 PHTX DST Java Movie Poor Event

2010/01/01 17:06:03 49 21 729 694 700 -3.9 4.0e+14 1.1e+30 52 C2 C3 195 PHTX DST Java Movie

2010/01/02 07:31:38 100 14 141 159 176 0.8^*1 ---- ---- 106 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/03 05:30:03 267 50 219 375 385 5.9^*1 6.3e+14 1.5e+29 261 C2 C3 195 PHTX DST Java Movie

2010/01/03 17:30:03 105 27 56 53 0 -0.9^*1 8.4e+13 1.3e+27 102 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/04 02:54:03 192 7 591 549 0 -40.4^*1 ---- ---- 197 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2010/01/04 22:06:03 255 49 270 311 331 2.4^*1 1.2e+14 4.4e+28 253 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/05 10:30:25 264 52 193 222 468 8.1^*1 2.2e+13 4.2e+27 262 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/05 18:30:03 71 112 289 188 226 -3.6 1.6e+15 6.6e+29 101 C2 C3 195 PHTX DST Java Movie

2010/01/06 06:54:03 236 14 322 292 170 -4.0^*1 ---- ---- 245 C2 C3 195 PHTX DST Java Movie

2010/01/06 10:30:23 121 15 577 684 711 11.7 ---- ---- 120 C2 C3 195 PHTX DST Java Movie

2010/01/09 04:54:03 49 9 220 224 229 0.3^*1 ---- ---- 57 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/09 15:30:03 242 13 153 167 199 0.9^*1 ---- ---- 246 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/09 20:58:39 51 16 195 218 256 1.5^*1 ---- ---- 57 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/10 03:54:03 79 90 171 360 369 5.7^*1 1.3e+15 2.0e+29 67 C2 C3 195 PHTX DST Java Movie

2010/01/11 00:19:37 247 43 229 271 277 2.1^*1 3.7e+14 9.8e+28 245 C2 C3 195 PHTX DST Java Movie Revised on 2010/11/22

2010/01/11 03:06:09 76 15 178 177 175 -0.1^*1 ---- ---- 79 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Poor Event

2010/01/11 17:06:05 111 23 362 439 530 8.2^*1 8.6e+13 5.6e+28 107 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Poor Event

2010/01/12 11:19:37 344 9 285 174 0 -14.0^*1 ---- ---- 347 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Poor Event

2010/01/12 14:06:07 21 38 265 208 0 -13.0^*1 1.3e+14 4.4e+28 22 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Poor Event; Only C2

2010/01/12 16:29:08 75 6 174 192 237 1.4^*1 ---- ---- 77 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Very Poor Event

2010/01/13 05:28:35 72 6 180 219 273 2.3^*1 ---- ---- 76 C2 C3 195 PHTX DST Java Movie Revised on 2010/11/22; Very Poor Event

2010/01/13 13:49:08 316 8 442 471 747 16.5^*1 ---- ---- 313 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Very Poor Event; Only C2

2010/01/13 14:28:38 173 6 522 669 1575 95.6^*1 ---- ---- 177 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Very Poor Event; Only C2

2010/01/14 22:42:13 86 62 203 377 327 5.7^*1 2.6e+15 5.4e+29 87 C2 C3 195 PHTX DST Java Movie Revised on 2010/11/22; Only C3

2010/01/15 09:28:35 337 5 475 683 1671 112.5^*1 ---- ---- 337 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Very Poor Event; Only C2

2010/01/15 16:19:39 241 17 237 293 391 5.0^*1 ---- ---- 245 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Very Poor Event

2010/01/16 06:15:04 254 5 203 273 305 3.7^*1 ---- ---- 253 C2 C3 195 PHTX DST Java Movie Revised on 2010/11/22; Very Poor Event

2010/01/17 04:50:07 114 126 350 255 298 -4.1 4.0e+15^*2 2.5e+30^*2 76 C2 C3 195 PHTX DST Java Movie Revised on 2010/11/22; Partial Halo

2010/01/18 07:27:03 109 34 76 43 0 -8.0^*1 8.1e+13 2.3e+27 110 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Poor Event; Only C2

2010/01/18 20:49:07 10 6 444 644 2228 214.0^*1 ---- ---- 16 C2 C3 195 PHTX DST Java Movie Newly inserted on 2010/11/22; Very Poor Event; Only 3 points; Only C2

2010/01/18 20:49:07 101 83 382 333 280 -4.4 9.6e+14 7.0e+29 118 C2 C3 195 PHTX DST Java Movie Revised on 2010/11/22

2010/01/19 14:06:03 102 44 153 190 433 7.1^*1 1.3e+12 1.6e+26 101 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/19 17:54:03 276 67 208 252 536 10.7^*1 1.1e+14 2.3e+28 282 C2 C3 195 PHTX DST Java Movie Only C2

2010/01/19 18:30:03 111 34 199 165 0 -3.0^*1 6.5e+13 1.3e+28 108 C2 C3 195 PHTX DST Java Movie Poor Event

2010/01/19 20:58:38 255 41 253 270 447 6.1^*1 3.6e+13 1.2e+28 255 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2

2010/01/20 04:54:03 243 11 232 220 0 -3.5^*1 ---- ---- 244 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/20 05:30:03 105 10 241 214 184 -1.7^*1 ---- ---- 104 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/20 11:30:03 105 46 101 84 0 -2.5^*1 2.3e+14 1.2e+28 99 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/20 12:06:03 15 4 309 220 0 -35.9^*1 ---- ---- 18 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/20 20:30:03 325 9 740 744 768 2.0^*1 ---- ---- 319 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/20 23:06:03 276 81 229 269 566 11.9^*1 6.7e+13 1.8e+28 276 C2 C3 195 PHTX DST Java Movie Only C2

2010/01/22 02:30:03 314 18 220 317 736 21.5^*1 ---- ---- 312 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/22 04:06:03 95 80 330 317 285 -1.6^*1 3.4e+14 1.9e+29 119 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/22 09:30:03 95 68 343 369 380 1.9^*1 2.6e+14 1.5e+29 121 C2 C3 195 PHTX DST Java Movie

2010/01/23 04:32:14 306 34 60 94 235 2.3^*1 2.6e+14 4.6e+27 305 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2

2010/01/23 05:26:53 73 8 237 199 0 -8.6^*1 ---- ---- 73 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2

2010/01/24 01:31:38 310 22 378 381 383 0.3^*1 9.6e+13 6.9e+28 302 C2 C3 195 PHTX DST Java Movie Poor Event

2010/01/24 14:30:03 308 12 187 188 200 0.2^*1 ---- ---- 307 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/25 05:54:03 158 7 379 356 0 -22.4^*1 ---- ---- 154 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2010/01/25 15:30:03 157 8 356 529 1930 153.0^*1 ---- ---- 152 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2010/01/26 11:54:03 351 8 336 211 0 -66.9^*1 ---- ---- 352 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/26 17:54:03 271 8 228 214 0 -3.2^*1 ---- ---- 274 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/26 20:58:38 354 7 300 409 1114 50.9^*1 ---- ---- 349 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/26 21:30:06 239 10 443 438 371 -2.7^*1 ---- ---- 245 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/27 15:30:03 298 22 209 259 380 5.9^*1 1.1e+13 2.3e+27 300 C2 C3 195 PHTX DST Java Movie Very Poor Event

2010/01/27 21:35:28 6 6 634 649 841 13.6^*1 ---- ---- 7 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/28 23:10:03 325 25 252 241 0 -4.3^*1 5.9e+12 1.9e+27 321 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/29 01:20:03 37 92 237 212 0 -4.1^*1 1.8e+14 5.1e+28 40 PHTX DST Java Movie Poor Event

2010/01/30 13:05:03 273 20 306 374 883 31.5^*1 1.2e+12 5.4e+26 276 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/30 14:35:03 276 47 219 197 0 -7.0^*1 3.6e+13 8.7e+27 284 PHTX DST Java Movie Poor Event; Only C2

2010/01/31 03:10:07 276 45 186 188 219 0.6^*1 7.1e+13 1.2e+28 289 PHTX DST Java Movie Very Poor Event; Only C2

2010/01/31 13:40:05 278 52 188 122 0 -21.9^*1 5.9e+13 1.0e+28 285 PHTX DST Java Movie Very Poor Event; Only C2

First C2 Appearance Date Time [UT]	Central PA [deg]	Angular Width [deg]	Linear Speed [km/s]	2nd-order Speed at final height [km/s]	2nd-order Speed at 20 Rs [km/s]	Accel [m/s²]	Mass [gram]	Kinetic Energy [erg]	MPA [deg]	Movies, plots, & links	Remarks
2010/01/01	06:54:03	354	6	330	396	959	35.5^*1	----	----	355	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2010/01/01	08:30:03	248	75	148	244	220	1.9^*1	4.2e+14	4.6e+28	253	C2 C3 195 PHTX DST Java Movie	Poor Event
2010/01/01	17:06:03	49	21	729	694	700	-3.9	4.0e+14	1.1e+30	52	C2 C3 195 PHTX DST Java Movie
2010/01/02	07:31:38	100	14	141	159	176	0.8^*1	----	----	106	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/03	05:30:03	267	50	219	375	385	5.9^*1	6.3e+14	1.5e+29	261	C2 C3 195 PHTX DST Java Movie
2010/01/03	17:30:03	105	27	56	53	0	-0.9^*1	8.4e+13	1.3e+27	102	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/04	02:54:03	192	7	591	549	0	-40.4^*1	----	----	197	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2010/01/04	22:06:03	255	49	270	311	331	2.4^*1	1.2e+14	4.4e+28	253	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/05	10:30:25	264	52	193	222	468	8.1^*1	2.2e+13	4.2e+27	262	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/05	18:30:03	71	112	289	188	226	-3.6	1.6e+15	6.6e+29	101	C2 C3 195 PHTX DST Java Movie
2010/01/06	06:54:03	236	14	322	292	170	-4.0^*1	----	----	245	C2 C3 195 PHTX DST Java Movie
2010/01/06	10:30:23	121	15	577	684	711	11.7	----	----	120	C2 C3 195 PHTX DST Java Movie
2010/01/09	04:54:03	49	9	220	224	229	0.3^*1	----	----	57	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/09	15:30:03	242	13	153	167	199	0.9^*1	----	----	246	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/09	20:58:39	51	16	195	218	256	1.5^*1	----	----	57	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/10	03:54:03	79	90	171	360	369	5.7^*1	1.3e+15	2.0e+29	67	C2 C3 195 PHTX DST Java Movie
2010/01/11	00:19:37	247	43	229	271	277	2.1^*1	3.7e+14	9.8e+28	245	C2 C3 195 PHTX DST Java Movie	Revised on 2010/11/22
2010/01/11	03:06:09	76	15	178	177	175	-0.1^*1	----	----	79	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Poor Event
2010/01/11	17:06:05	111	23	362	439	530	8.2^*1	8.6e+13	5.6e+28	107	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Poor Event
2010/01/12	11:19:37	344	9	285	174	0	-14.0^*1	----	----	347	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Poor Event
2010/01/12	14:06:07	21	38	265	208	0	-13.0^*1	1.3e+14	4.4e+28	22	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Poor Event; Only C2
2010/01/12	16:29:08	75	6	174	192	237	1.4^*1	----	----	77	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Very Poor Event
2010/01/13	05:28:35	72	6	180	219	273	2.3^*1	----	----	76	C2 C3 195 PHTX DST Java Movie	Revised on 2010/11/22; Very Poor Event
2010/01/13	13:49:08	316	8	442	471	747	16.5^*1	----	----	313	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Very Poor Event; Only C2
2010/01/13	14:28:38	173	6	522	669	1575	95.6^*1	----	----	177	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Very Poor Event; Only C2
2010/01/14	22:42:13	86	62	203	377	327	5.7^*1	2.6e+15	5.4e+29	87	C2 C3 195 PHTX DST Java Movie	Revised on 2010/11/22; Only C3
2010/01/15	09:28:35	337	5	475	683	1671	112.5^*1	----	----	337	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Very Poor Event; Only C2
2010/01/15	16:19:39	241	17	237	293	391	5.0^*1	----	----	245	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Very Poor Event
2010/01/16	06:15:04	254	5	203	273	305	3.7^*1	----	----	253	C2 C3 195 PHTX DST Java Movie	Revised on 2010/11/22; Very Poor Event
2010/01/17	04:50:07	114	126	350	255	298	-4.1	4.0e+15^*2	2.5e+30^*2	76	C2 C3 195 PHTX DST Java Movie	Revised on 2010/11/22; Partial Halo
2010/01/18	07:27:03	109	34	76	43	0	-8.0^*1	8.1e+13	2.3e+27	110	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Poor Event; Only C2
2010/01/18	20:49:07	10	6	444	644	2228	214.0^*1	----	----	16	C2 C3 195 PHTX DST Java Movie	Newly inserted on 2010/11/22; Very Poor Event; Only 3 points; Only C2
2010/01/18	20:49:07	101	83	382	333	280	-4.4	9.6e+14	7.0e+29	118	C2 C3 195 PHTX DST Java Movie	Revised on 2010/11/22
2010/01/19	14:06:03	102	44	153	190	433	7.1^*1	1.3e+12	1.6e+26	101	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/19	17:54:03	276	67	208	252	536	10.7^*1	1.1e+14	2.3e+28	282	C2 C3 195 PHTX DST Java Movie	Only C2
2010/01/19	18:30:03	111	34	199	165	0	-3.0^*1	6.5e+13	1.3e+28	108	C2 C3 195 PHTX DST Java Movie	Poor Event
2010/01/19	20:58:38	255	41	253	270	447	6.1^*1	3.6e+13	1.2e+28	255	C2 C3 195 PHTX DST Java Movie	Poor Event; Only C2
2010/01/20	04:54:03	243	11	232	220	0	-3.5^*1	----	----	244	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/20	05:30:03	105	10	241	214	184	-1.7^*1	----	----	104	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/20	11:30:03	105	46	101	84	0	-2.5^*1	2.3e+14	1.2e+28	99	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/20	12:06:03	15	4	309	220	0	-35.9^*1	----	----	18	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/20	20:30:03	325	9	740	744	768	2.0^*1	----	----	319	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/20	23:06:03	276	81	229	269	566	11.9^*1	6.7e+13	1.8e+28	276	C2 C3 195 PHTX DST Java Movie	Only C2
2010/01/22	02:30:03	314	18	220	317	736	21.5^*1	----	----	312	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/22	04:06:03	95	80	330	317	285	-1.6^*1	3.4e+14	1.9e+29	119	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/22	09:30:03	95	68	343	369	380	1.9^*1	2.6e+14	1.5e+29	121	C2 C3 195 PHTX DST Java Movie
2010/01/23	04:32:14	306	34	60	94	235	2.3^*1	2.6e+14	4.6e+27	305	C2 C3 195 PHTX DST Java Movie	Poor Event; Only C2
2010/01/23	05:26:53	73	8	237	199	0	-8.6^*1	----	----	73	C2 C3 195 PHTX DST Java Movie	Poor Event; Only C2
2010/01/24	01:31:38	310	22	378	381	383	0.3^*1	9.6e+13	6.9e+28	302	C2 C3 195 PHTX DST Java Movie	Poor Event
2010/01/24	14:30:03	308	12	187	188	200	0.2^*1	----	----	307	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/25	05:54:03	158	7	379	356	0	-22.4^*1	----	----	154	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2010/01/25	15:30:03	157	8	356	529	1930	153.0^*1	----	----	152	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2010/01/26	11:54:03	351	8	336	211	0	-66.9^*1	----	----	352	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/26	17:54:03	271	8	228	214	0	-3.2^*1	----	----	274	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/26	20:58:38	354	7	300	409	1114	50.9^*1	----	----	349	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/26	21:30:06	239	10	443	438	371	-2.7^*1	----	----	245	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/27	15:30:03	298	22	209	259	380	5.9^*1	1.1e+13	2.3e+27	300	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2010/01/27	21:35:28	6	6	634	649	841	13.6^*1	----	----	7	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/28	23:10:03	325	25	252	241	0	-4.3^*1	5.9e+12	1.9e+27	321	C2 C3 PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/29	01:20:03	37	92	237	212	0	-4.1^*1	1.8e+14	5.1e+28	40	PHTX DST Java Movie	Poor Event
2010/01/30	13:05:03	273	20	306	374	883	31.5^*1	1.2e+12	5.4e+26	276	PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/30	14:35:03	276	47	219	197	0	-7.0^*1	3.6e+13	8.7e+27	284	PHTX DST Java Movie	Poor Event; Only C2
2010/01/31	03:10:07	276	45	186	188	219	0.6^*1	7.1e+13	1.2e+28	289	PHTX DST Java Movie	Very Poor Event; Only C2
2010/01/31	13:40:05	278	52	188	122	0	-21.9^*1	5.9e+13	1.0e+28	285	PHTX DST Java Movie	Very Poor Event; Only C2

*1 Acceleration is uncertain due to either poor height measurement or a small number of height-time measurements (See Section 3.4 of Yashiro et al. 2004 for details).
*2 Mass and Kinetic Energy are uncertain due to poor mass estimate. Mass measurement assumes that the CME material is in the sky-plane. Kinetic Energy is obtained from the mass and linear speed (see Vourlidas et al. 2000 for details).