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

2009/01/01 00:30:03 269 12 250 328 332 3.9^*1 ---- ---- 274 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/01 05:06:03 287 18 302 481 498 10.0^*1 ---- ---- 285 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/01 20:30:04 250 17 244 249 264 0.5^*1 ---- ---- 260 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/02 00:30:03 66 7 359 275 0 -20.3^*1 ---- ---- 71 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/02 13:31:37 26 4 201 378 1971 163.6^*1 ---- ---- 34 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/02 15:06:03 30 8 204 113 0 -34.3^*1 ---- ---- 34 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/02 17:54:03 29 8 291 413 1179 56.3^*1 ---- ---- 33 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/02 21:08:02 32 7 483 609 1329 69.6^*1 ---- ---- 40 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/03 06:30:03 3 6 284 444 1158 55.1^*1 ---- ---- 5 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/03 11:54:03 63 29 302 278 0 -4.5^*1 7.2e+13 3.3e+28 65 C2 C3 195 PHTX DST Java Movie Poor Event

2009/01/04 15:54:03 178 8 453 413 0 -22.8^*1 ---- ---- 176 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/04 20:30:03 274 38 247 276 391 4.4^*1 8.1e+13 2.5e+28 278 C2 C3 195 PHTX DST Java Movie Poor Event

2009/01/05 15:30:03 271 13 187 196 201 0.4^*1 ---- ---- 279 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/05 20:30:03 261 13 290 295 369 2.3^*1 ---- ---- 262 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/06 01:31:39 195 10 497 694 2105 182.3^*1 ---- ---- 195 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/06 05:30:27 2 8 188 276 902 33.9^*1 ---- ---- 5 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/06 08:30:03 270 24 166 203 354 4.4^*1 1.1e+14 1.6e+28 269 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/06 15:06:03 4 8 230 147 0 -57.1^*1 ---- ---- 7 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/08 15:30:03 9 7 241 208 0 -9.3^*1 ---- ---- 13 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/08 22:30:03 105 87 146 193 240 2.1^*1 1.5e+14 1.6e+28 102 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/10 01:54:03 59 9 249 116 0 -39.0^*1 ---- ---- 65 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/10 06:54:03 191 10 586 388 0 -192.4^*1 ---- ---- 192 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/10 07:30:03 148 6 409 301 0 -58.2^*1 ---- ---- 143 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/11 05:30:03 263 36 331 392 475 6.4^*1 1.5e+14 8.1e+28 263 C2 C3 195 PHTX DST Java Movie

2009/01/11 08:30:04 264 21 205 279 367 5.2^*1 7.1e+13 1.5e+28 273 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/11 14:30:03 105 29 128 114 0 -2.5^*1 3.5e+13 2.9e+27 103 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/11 22:30:03 260 18 177 128 0 -5.5^*1 ---- ---- 259 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/11 23:30:03 344 9 428 292 0 -78.4^*1 ---- ---- 342 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/12 06:54:03 256 21 178 167 137 -0.7^*1 1.1e+14 1.8e+28 261 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/14 05:54:04 179 4 439 313 0 -69.6^*1 ---- ---- 179 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/14 06:06:03 74 104 298 377 358 3.3 2.8e+15 1.2e+30 76 C2 C3 195 PHTX DST Java Movie

2009/01/15 12:06:03 278 58 266 560 537 11.7^*1 1.9e+15 6.8e+29 279 C2 C3 195 PHTX DST Java Movie

2009/01/16 01:54:03 272 10 260 240 245 -0.7^*1 ---- ---- 262 C2 C3 195 PHTX DST Java Movie

2009/01/16 02:06:03 161 9 337 463 1114 49.4^*1 ---- ---- 159 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/16 04:54:03 161 5 186 206 534 10.8^*1 ---- ---- 159 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/16 22:30:03 276 40 251 370 380 5.2^*1 8.0e+14 2.5e+29 274 C2 C3 195 PHTX DST Java Movie

2009/01/17 04:30:03 92 84 85 217 247 2.5^*1 1.8e+15 6.6e+28 76 C2 C3 195 PHTX DST Java Movie

2009/01/18 16:30:03 280 36 320 515 722 20.7^*1 1.3e+14 6.8e+28 276 C2 C3 195 PHTX DST Java Movie Poor Event

2009/01/18 20:58:38 23 11 448 528 1100 46.9^*1 ---- ---- 35 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/19 13:31:42 225 11 339 541 2101 187.7^*1 ---- ---- 233 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/20 05:06:03 256 55 149 355 346 5.0 4.2e+15 4.7e+29 254 C2 C3 195 PHTX DST Java Movie

2009/01/20 18:30:03 198 5 426 279 0 -82.7^*1 ---- ---- 202 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/20 21:30:06 140 11 343 462 1595 105.8^*1 ---- ---- 135 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/21 18:54:03 253 73 220 352 348 4.5^*1 1.6e+15 4.0e+29 261 C2 C3 195 PHTX DST Java Movie

2009/01/22 18:06:03 255 10 304 332 366 2.4^*1 ---- ---- 261 C2 C3 195 PHTX DST Java Movie Poor Event

2009/01/23 18:30:03 248 5 254 434 845 34.5^*1 ---- ---- 251 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/23 20:54:05 165 3 504 350 0 -147.5^*1 ---- ---- 163 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/24 12:30:03 67 13 145 174 246 1.9^*1 ---- ---- 75 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/25 02:30:03 70 26 268 439 553 12.4^*1 7.6e+13 2.7e+28 73 C2 C3 195 PHTX DST Java Movie

2009/01/25 06:30:03 174 9 527 507 185 -11.2^*1 ---- ---- 171 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/25 09:54:03 99 74 67 71 90 0.2^*1 3.6e+14 8.0e+27 94 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/26 06:54:03 171 7 308 353 802 24.2^*1 ---- ---- 167 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/26 07:31:39 3 6 329 749 3016 389.4^*1 ---- ---- 6 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

2009/01/26 12:30:03 108 21 190 146 0 -3.4^*1 2.2e+13 4.1e+27 110 C2 C3 195 PHTX DST Java Movie Poor Event

2009/01/26 22:30:03 141 8 121 110 0 -4.4^*1 ---- ---- 137 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/27 07:06:04 262 39 301 306 312 0.4^*1 4.0e+14 1.8e+29 268 C2 C3 195 PHTX DST Java Movie Poor Event

2009/01/28 20:54:03 22 10 275 173 0 -57.8^*1 ---- ---- 26 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/29 10:30:42 60 9 341 231 0 -45.2^*1 ---- ---- 67 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2

2009/01/29 19:30:03 103 15 194 234 331 3.7^*1 ---- ---- 100 C2 C3 195 PHTX DST Java Movie Very Poor Event

2009/01/30 16:00:38 252 11 190 228 506 9.7^*1 ---- ---- 256 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2

2009/01/30 23:06:04 308 7 102 252 246 2.7^*1 ---- ---- 282 C2 C3 195 PHTX DST Java Movie

2009/01/31 02:30:03 81 38 268 296 302 1.5 7.6e+14 2.7e+29 91 C2 C3 195 PHTX DST Java Movie

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
2009/01/01	00:30:03	269	12	250	328	332	3.9^*1	----	----	274	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/01	05:06:03	287	18	302	481	498	10.0^*1	----	----	285	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/01	20:30:04	250	17	244	249	264	0.5^*1	----	----	260	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/02	00:30:03	66	7	359	275	0	-20.3^*1	----	----	71	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/02	13:31:37	26	4	201	378	1971	163.6^*1	----	----	34	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/02	15:06:03	30	8	204	113	0	-34.3^*1	----	----	34	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/02	17:54:03	29	8	291	413	1179	56.3^*1	----	----	33	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/02	21:08:02	32	7	483	609	1329	69.6^*1	----	----	40	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/03	06:30:03	3	6	284	444	1158	55.1^*1	----	----	5	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/03	11:54:03	63	29	302	278	0	-4.5^*1	7.2e+13	3.3e+28	65	C2 C3 195 PHTX DST Java Movie	Poor Event
2009/01/04	15:54:03	178	8	453	413	0	-22.8^*1	----	----	176	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/04	20:30:03	274	38	247	276	391	4.4^*1	8.1e+13	2.5e+28	278	C2 C3 195 PHTX DST Java Movie	Poor Event
2009/01/05	15:30:03	271	13	187	196	201	0.4^*1	----	----	279	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/05	20:30:03	261	13	290	295	369	2.3^*1	----	----	262	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/06	01:31:39	195	10	497	694	2105	182.3^*1	----	----	195	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/06	05:30:27	2	8	188	276	902	33.9^*1	----	----	5	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/06	08:30:03	270	24	166	203	354	4.4^*1	1.1e+14	1.6e+28	269	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/06	15:06:03	4	8	230	147	0	-57.1^*1	----	----	7	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/08	15:30:03	9	7	241	208	0	-9.3^*1	----	----	13	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/08	22:30:03	105	87	146	193	240	2.1^*1	1.5e+14	1.6e+28	102	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/10	01:54:03	59	9	249	116	0	-39.0^*1	----	----	65	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/10	06:54:03	191	10	586	388	0	-192.4^*1	----	----	192	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/10	07:30:03	148	6	409	301	0	-58.2^*1	----	----	143	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/11	05:30:03	263	36	331	392	475	6.4^*1	1.5e+14	8.1e+28	263	C2 C3 195 PHTX DST Java Movie
2009/01/11	08:30:04	264	21	205	279	367	5.2^*1	7.1e+13	1.5e+28	273	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/11	14:30:03	105	29	128	114	0	-2.5^*1	3.5e+13	2.9e+27	103	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/11	22:30:03	260	18	177	128	0	-5.5^*1	----	----	259	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/11	23:30:03	344	9	428	292	0	-78.4^*1	----	----	342	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/12	06:54:03	256	21	178	167	137	-0.7^*1	1.1e+14	1.8e+28	261	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/14	05:54:04	179	4	439	313	0	-69.6^*1	----	----	179	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/14	06:06:03	74	104	298	377	358	3.3	2.8e+15	1.2e+30	76	C2 C3 195 PHTX DST Java Movie
2009/01/15	12:06:03	278	58	266	560	537	11.7^*1	1.9e+15	6.8e+29	279	C2 C3 195 PHTX DST Java Movie
2009/01/16	01:54:03	272	10	260	240	245	-0.7^*1	----	----	262	C2 C3 195 PHTX DST Java Movie
2009/01/16	02:06:03	161	9	337	463	1114	49.4^*1	----	----	159	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/16	04:54:03	161	5	186	206	534	10.8^*1	----	----	159	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/16	22:30:03	276	40	251	370	380	5.2^*1	8.0e+14	2.5e+29	274	C2 C3 195 PHTX DST Java Movie
2009/01/17	04:30:03	92	84	85	217	247	2.5^*1	1.8e+15	6.6e+28	76	C2 C3 195 PHTX DST Java Movie
2009/01/18	16:30:03	280	36	320	515	722	20.7^*1	1.3e+14	6.8e+28	276	C2 C3 195 PHTX DST Java Movie	Poor Event
2009/01/18	20:58:38	23	11	448	528	1100	46.9^*1	----	----	35	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/19	13:31:42	225	11	339	541	2101	187.7^*1	----	----	233	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/20	05:06:03	256	55	149	355	346	5.0	4.2e+15	4.7e+29	254	C2 C3 195 PHTX DST Java Movie
2009/01/20	18:30:03	198	5	426	279	0	-82.7^*1	----	----	202	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/20	21:30:06	140	11	343	462	1595	105.8^*1	----	----	135	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/21	18:54:03	253	73	220	352	348	4.5^*1	1.6e+15	4.0e+29	261	C2 C3 195 PHTX DST Java Movie
2009/01/22	18:06:03	255	10	304	332	366	2.4^*1	----	----	261	C2 C3 195 PHTX DST Java Movie	Poor Event
2009/01/23	18:30:03	248	5	254	434	845	34.5^*1	----	----	251	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/23	20:54:05	165	3	504	350	0	-147.5^*1	----	----	163	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/24	12:30:03	67	13	145	174	246	1.9^*1	----	----	75	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/25	02:30:03	70	26	268	439	553	12.4^*1	7.6e+13	2.7e+28	73	C2 C3 195 PHTX DST Java Movie
2009/01/25	06:30:03	174	9	527	507	185	-11.2^*1	----	----	171	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/25	09:54:03	99	74	67	71	90	0.2^*1	3.6e+14	8.0e+27	94	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/26	06:54:03	171	7	308	353	802	24.2^*1	----	----	167	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/26	07:31:39	3	6	329	749	3016	389.4^*1	----	----	6	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only 3 points; Only C2
2009/01/26	12:30:03	108	21	190	146	0	-3.4^*1	2.2e+13	4.1e+27	110	C2 C3 195 PHTX DST Java Movie	Poor Event
2009/01/26	22:30:03	141	8	121	110	0	-4.4^*1	----	----	137	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/27	07:06:04	262	39	301	306	312	0.4^*1	4.0e+14	1.8e+29	268	C2 C3 195 PHTX DST Java Movie	Poor Event
2009/01/28	20:54:03	22	10	275	173	0	-57.8^*1	----	----	26	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/29	10:30:42	60	9	341	231	0	-45.2^*1	----	----	67	C2 C3 195 PHTX DST Java Movie	Poor Event; Only C2
2009/01/29	19:30:03	103	15	194	234	331	3.7^*1	----	----	100	C2 C3 195 PHTX DST Java Movie	Very Poor Event
2009/01/30	16:00:38	252	11	190	228	506	9.7^*1	----	----	256	C2 C3 195 PHTX DST Java Movie	Very Poor Event; Only C2
2009/01/30	23:06:04	308	7	102	252	246	2.7^*1	----	----	282	C2 C3 195 PHTX DST Java Movie
2009/01/31	02:30:03	81	38	268	296	302	1.5	7.6e+14	2.7e+29	91	C2 C3 195 PHTX DST Java Movie

*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).