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
2022/06/01	16:12:12	67	24	318	374	479	6.5^*1	----	----	71	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/02	06:12:09	280	168	497	493	494	-0.3	----	----	238	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Partial Halo
2022/06/02	06:48:05	98	85	581	629	717	9.7^*1	----	----	92	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/02	21:49:25	102	24	225	221	180	-0.8^*1	----	----	106	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/03	11:48:05	63	18	223	154	0	-12.2^*1	----	----	67	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event
2022/06/04	02:12:10	290	76	98	194	228	2.3^*1	----	----	285	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/04	03:36:10	36	93	518	624	602	7.8	----	----	42	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/04	06:12:09	108	33	189	140	0	-8.0^*1	----	----	114	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/04	16:12:10	167	22	310	209	0	-34.5^*1	----	----	167	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/05	13:16:58	135	75	764	637	679	-17.4	----	----	131	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/05	14:12:09	257	70	550	450	469	-8.9^*1	----	----	247	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/06	02:24:05	158	41	168	245	579	13.6^*1	----	----	155	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/07	03:36:05	333	240	617	365	0	-33.4^*1	----	----	350	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Partial Halo
2022/06/07	14:36:05	327	48	398	476	550	8.9^*1	----	----	325	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/07	21:36:05	152	128	900	572	700	-38.2	----	----	152	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Partial Halo
2022/06/07	23:12:10	6	76	261	251	215	-1.3^*1	----	----	12	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/08	05:48:05	281	45	244	397	1014	41.8^*1	----	----	278	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/08	16:00:05	292	79	232	417	364	5.5	----	----	286	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/08	20:24:05	41	119	211	218	300	2.0^*1	----	----	54	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/09	19:00:05	167	147	296	702	998	42.4^*1	----	----	147	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Partial Halo
2022/06/10	06:12:11	69	82	256	266	309	1.5^*1	----	----	72	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/10	09:12:10	63	81	267	301	515	8.8^*1	----	----	64	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/11	15:36:05	133	15	400	511	1047	42.4^*1	----	----	134	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/11	16:36:05	267	14	339	461	1081	46.5^*1	----	----	272	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/11	19:00:05	125	10	361	331	0	-20.8^*1	----	----	130	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/12	18:00:05	144	11	349	417	984	37.5^*1	----	----	146	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/12	20:12:05	224	72	204	161	0	-15.7^*1	----	----	230	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/13	01:48:05	70	82	186	165	0	-7.6^*1	----	----	61	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/13	03:12:11	Halo	360	1150	1282	1218	17.5	----	----	113	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/13	10:24:05	236	85	708	623	509	-15.1^*1	----	----	221	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/13	11:48:05	93	48	351	399	407	3.1^*1	----	----	115	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/13	16:36:05	70	30	638	513	505	-13.1	----	----	66	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/13	18:24:05	248	73	596	622	633	3.2^*1	----	----	253	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/14	01:25:48	Halo	360	662	457	401	-27.5^*1	----	----	21	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/14	08:12:05	355	46	317	333	345	1.2	----	----	359	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/14	09:12:12	120	51	162	194	366	5.0^*1	----	----	129	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Only C2
2022/06/14	20:24:06	109	15	383	382	378	-0.2^*1	----	----	114	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/15	20:56:53	229	122	288	317	349	2.6^*1	----	----	214	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Partial Halo
2022/06/15	23:12:11	70	28	506	523	539	2.1^*1	----	----	69	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/16	04:00:06	203	38	405	490	960	34.4^*1	----	----	201	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/17	05:00:05	333	58	516	743	937	32.6^*1	----	----	324	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/17	13:36:25	200	103	882	744	791	-15.8^*1	----	----	221	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/18	00:00:05	33	49	227	340	609	17.2^*1	----	----	42	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/18	04:36:05	324	18	619	707	967	27.5^*1	----	----	331	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/18	10:24:05	78	24	364	416	742	19.0^*1	----	----	83	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/19	00:12:05	66	28	760	709	708	-6.7	----	----	68	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/19	05:00:05	55	52	154	246	331	4.2^*1	----	----	63	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/19	07:00:05	186	65	413	621	852	30.1^*1	----	----	180	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/19	22:24:05	84	52	660	560	437	-16.4	----	----	78	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/20	15:24:05	302	67	520	479	423	-5.7^*1	----	----	300	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/21	00:36:05	221	49	464	474	496	1.7^*1	----	----	222	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/21	12:12:05	336	21	276	360	392	4.8^*1	----	----	343	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/21	19:48:06	304	20	309	347	604	12.1^*1	----	----	304	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/22	00:00:05	286	92	238	444	1107	51.0^*1	----	----	294	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/22	05:48:05	73	56	228	315	681	18.2^*1	----	----	73	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/22	11:24:05	105	30	478	524	593	6.6^*1	----	----	101	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/22	14:24:05	92	54	227	225	203	-0.5^*1	----	----	87	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/22	16:12:06	26	39	329	435	486	8.4^*1	----	----	36	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/22	23:48:05	208	31	488	532	601	6.7^*1	----	----	208	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/23	04:00:05	301	12	271	193	0	-35.8^*1	----	----	294	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/23	06:00:05	103	104	695	912	1039	34.7^*1	----	----	108	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/23	08:48:05	221	17	526	533	612	4.4^*1	----	----	217	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/23	13:25:46	330	40	453	517	571	8.4^*1	----	----	337	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/23	17:36:07	323	26	413	487	519	6.6^*1	----	----	329	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/24	09:12:09	213	13	512	462	0	-33.8^*1	----	----	209	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/24	10:24:05	66	52	340	287	0	-12.4^*1	----	----	72	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/24	17:12:05	254	55	504	543	576	5.0^*1	----	----	244	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/24	19:36:05	88	71	287	341	597	12.6^*1	----	----	84	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/25	06:00:06	164	13	662	623	0	-25.2^*1	----	----	163	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/25	10:36:05	290	58	231	176	0	-9.4^*1	----	----	288	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/26	02:48:05	205	19	811	1011	1449	73.8^*1	----	----	208	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event
2022/06/26	03:36:05	Halo	360	980	991	984	1.2	----	----	216	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/26	11:24:05	326	60	616	602	604	-1.4^*1	----	----	322	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/26	12:00:05	186	63	367	468	464	7.1^*1	----	----	183	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/26	13:48:06	217	40	379	423	483	5.1^*1	----	----	213	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/26	19:48:05	87	190	200	249	388	5.4^*1	----	----	53	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Partial Halo
2022/06/26	20:00:06	223	20	367	359	331	-1.3^*1	----	----	221	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event
2022/06/27	18:36:05	270	78	258	325	618	14.2^*1	----	----	258	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Only C2
2022/06/27	22:24:05	285	121	296	279	199	-2.5^*1	----	----	310	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event; Partial Halo
2022/06/28	04:12:05	263	17	1260	1161	1030	-33.7^*1	----	----	259	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/28	06:36:05	257	8	529	787	1869	143.4^*1	----	----	259	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/28	08:00:05	263	15	746	1010	1657	104.4^*1	----	----	258	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event
2022/06/28	09:12:09	259	15	1127	844	0	-194.3^*1	----	----	263	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event
2022/06/28	11:12:05	264	17	648	579	0	-46.0^*1	----	----	261	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/28	12:12:05	227	22	153	241	578	14.0^*1	----	----	225	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/28	13:48:05	271	17	560	254	0	-128.1^*1	----	----	267	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/28	18:36:05	273	18	1562	1616	1748	34.3^*1	----	----	276	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event
2022/06/28	23:06:13	271	20	940	652	564	-53.7^*1	----	----	274	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Poor Event
2022/06/29	00:48:05	225	42	151	149	123	-0.3^*1	----	----	228	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Very Poor Event; Only C2
2022/06/29	10:36:05	222	129	665	687	686	2.3	----	----	231	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Partial Halo
2022/06/29	14:36:05	287	97	303	396	413	5.2	----	----	266	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/29	22:36:05	294	25	1070	1057	1060	-2.4	----	----	294	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30
2022/06/30	03:12:11	303	252	554	539	545	-1.2	----	----	337	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; Partial Halo
2022/06/30	22:36:06	105	46	344	321	0	-7.8^*1	----	----	103	C2 C3 PHTX DST Java Movie	Fixed the PA issue on 2026-01-30; 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).