Number	Baseline Start	Baseline End	Onset date	Onset time	Comments
73	2021-10-28 14:00:00	2021-10-28 15:00:00	2021-10-28	15:50:00	preliminary baseline and onset time values
72	2017-09-10 14:00:00	2017-09-10 16:00:00	2017-09-10	16:08:00	Onset time from N. Gopalswamy et al 2018 ApJL 863 L39
71	2012-05-16 23:00:00	2012-05-17 01:00:00	2012-05-17	01:43:00	Onset time from N. Gopalswamy et al 2013 ApJL 765 L30
70	2006-12-13 01:00:00	2006-12-13 02:00:00	2006-12-13	02:45:00	Onset time from Gopalswamy et al., Space Science Reviews 171 (2012)
69	2005-01-20 05:00:00	2005-01-20 06:00:00	2005-01-20	06:51:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
68	2005-01-17 07:00:00	2005-01-17 09:00:00	2005-01-17	09:55:00	Onset time from N. Gopalswamy et al, Space Science Reviews 171 (2012)
67	2003-11-02 16:00:00	2003-11-02 17:00:00	2003-11-02	17:30:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
66	2003-10-29 19:00:00	2003-10-29 20:00:00	2003-10-29	21:30:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
65	2003-10-28 10:00:00	2003-10-28 11:00:00	2003-10-28	11:22:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
64	2002-08-24 00:00:00	2002-08-24 01:00:00	2002-08-24	01:18:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
63	2001-12-26 04:00:00	2001-12-26 05:00:00	2001-12-26	05:30:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
62	2001-11-04 15:00:00	2001-11-04 16:00:00	2001-11-04	17:00:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
61	2001-04-18 01:00:00	2001-04-18 02:00:00	2001-04-18	02:35:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
60	2001-04-15 12:00:00	2001-04-15 13:00:00	2001-04-15	14:00:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
59	2000-07-14 09:00:00	2000-07-14 10:00:00	2000-07-14	10:30:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
58	1998-08-24 20:00:00	1998-08-24 21:00:00	1998-08-24	22:50:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
57	1998-05-06 07:00:00	1998-05-06 08:00:00	1998-05-06	08:25:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
56	1998-05-02 12:00:00	1998-05-02 13:00:00	1998-05-02	13:55:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
55	1997-11-06 11:00:00	1997-11-06 12:00:00	1997-11-06	12:10:00	Onset time from Gopalswamy et al., Proceedings of 29th ICRC, 2005.
54	1992-11-02 02:00:00	1992-11-02 03:00:00	1992-11-02	03:50:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
53	1992-06-25 18:00:00	1992-06-25 19:00:00	1992-06-25	20:15:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
52	1991-06-15 07:00:00	1991-06-15 08:00:00	1991-06-15	08:35:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
51	1991-06-11 00:00:00	1991-06-11 01:00:00	1991-06-11	02:30:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
50	1990-05-28 03:00:00	1990-05-28 04:00:00	1990-05-28	05:34:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
49	1990-05-26 19:00:00	1990-05-26 20:00:00	1990-05-26	20:55:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
48	1990-05-24 19:00:00	1990-05-24 20:00:00	1990-05-24	20:49:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
47	1990-05-21 21:00:00	1990-05-21 22:00:00	1990-05-21	22:29:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
46	1989-11-15 05:00:00	1989-11-15 06:00:00	1989-11-15	07:00:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
45	1989-10-24 16:00:00	1989-10-24 17:00:00	1989-10-24	18:18:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
44	1989-10-22 16:00:00	1989-10-22 17:00:00	1989-10-22	17:55:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
43	1989-10-19 11:00:00	1989-10-19 12:00:00	1989-10-19	13:00:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
42	1989-09-29 10:00:00	1989-09-29 11:00:00	1989-09-29	11:40:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
41	1989-08-15 23:00:00	1989-08-16 00:00:00	1989-08-16	01:25:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
40	1989-07-25 07:00:00	1989-07-25 08:00:00	1989-07-25	08:50:00	Onset time from Shea et al., Proceedings of 24th ICRC, 1995.
39	1984-02-16 08:00:00	1984-02-16 09:00:00	1984-02-16	09:00:00	Onset time inferred from NMDB data
38	1982-12-07 22:00:00	1982-12-07 23:00:00	1982-12-07	23:45:00	Onset time inferred from NMDB data
37	1982-11-26 02:00:00	1982-11-26 03:00:00	1982-11-26	03:05:00	Onset time inferred from NMDB data
36	1981-10-12 05:00:00	1981-10-12 06:00:00	1981-10-12	06:45:00	Onset time inferred from NMDB data
35	1981-05-10 06:00:00	1981-05-10 07:00:00	1981-05-10	00:00:00
34	1981-04-10 15:00:00	1981-04-10 16:00:00	1981-04-10	00:00:00
33	1979-08-21 05:00:00	1979-08-21 06:00:00	1979-08-21	00:00:00
32	1978-09-23 09:00:00	1978-09-23 10:00:00	1978-09-23	10:28:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
31	1978-05-07 02:00:00	1978-05-07 03:00:00	1978-05-07	03:36:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
30	1977-11-22 09:00:00	1977-11-22 10:00:00	1977-11-22	10:13:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
29	1977-09-24 05:00:00	1977-09-24 06:00:00	1977-09-24	06:08:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
28	1977-09-19 09:00:00	1977-09-19 10:00:00	1977-09-19	11:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
27	1976-04-30 20:00:00	1976-04-30 21:00:00	1976-04-30	21:23:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
26	1973-04-29 20:00:00	1973-04-29 21:00:00	1973-04-29	21:43:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
25	1972-08-07 14:00:00	1972-08-07 15:00:00	1972-08-07	15:28:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
24	1972-08-04 11:00:00	1972-08-04 12:00:00	1972-08-04	13:30:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
23	1971-09-01 18:00:00	1971-09-01 19:00:00	1971-09-01	20:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
22	1971-01-24 22:00:00	1971-01-24 23:00:00	1971-01-24	23:28:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
21	1969-03-30 02:00:00	1969-03-30 03:00:00	1969-03-30	04:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
20	1969-02-25 08:00:00	1969-02-25 09:00:00	1969-02-25	09:15:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
19	1968-11-18 09:00:00	1968-11-18 10:00:00	1968-11-18	10:38:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
18	1968-09-29 15:00:00	1968-09-29 16:00:00	1968-09-29	17:10:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
17	1967-01-28 06:00:00	1967-01-28 07:00:00	1967-01-28	08:10:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
16	1967-01-28 01:00:00	1967-01-28 02:00:00	1967-01-28	03:02:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
15	1966-07-06 23:00:00	1966-07-07 00:00:00	1966-07-07	00:55:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
14	1961-07-20 15:00:00	1961-07-20 16:00:00	1961-07-20	16:15:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
13	1961-07-18 09:00:00	1961-07-18 10:00:00	1961-07-18	10:15:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
12	1960-11-20 19:00:00	1960-11-20 20:00:00	1960-11-20	20:58:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
11	1960-11-15 01:00:00	1960-11-15 02:00:00	1960-11-15	02:30:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
10	1960-11-12 12:00:00	1960-11-12 13:00:00	1960-11-12	13:35:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
9	1960-09-02 23:00:00	1960-09-03 00:00:00	1960-09-03	02:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
8	1960-05-04 09:00:00	1960-05-04 10:00:00	1960-05-04	10:30:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
7	1959-07-16 22:00:00	1959-07-17 00:00:00	1959-07-17	01:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
6	1956-08-31 11:00:00	1956-08-31 12:00:00	1956-08-31	12:50:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
5	1956-02-23 02:00:00	1956-02-23 03:00:00	1956-02-23	03:43:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
4	1949-11-19 00:00:00	1949-11-19 00:00:00	1949-11-19	10:44:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
3	1946-07-25 00:00:00	1946-07-25 00:00:00	1946-07-25	16:45:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
2	1942-03-07 00:00:00	1942-03-07 00:00:00	1942-03-07	05:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.
1	1942-02-28 00:00:00	1942-02-28 00:00:00	1942-02-28	12:00:00	Onset time from Cliver et al., Proceedings of 17th ICRC, 1981.