Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 9727
C16
M6
X0
LargestM5.62001-12-12
Span11 days
Flares by day
2
2
1
2
2
3
1
5
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2001-12-05 | 22:05 | 22:11 | 12 | C2.6 | S21E41 | 9727 |
| 2001-12-05 | 23:20 | 23:25 | 10 | C1.9 | S19E40 | 9727 |
| 2001-12-06 | 08:13 | 08:26 | 26 | M1.0 | S19E34 | 9727 |
| 2001-12-06 | 20:52 | 20:58 | 9 | C3.5 | – | 9727 |
| 2001-12-07 | 08:04 | 08:17 | 19 | C8.2 | S18E22 | 9727 |
| 2001-12-08 | 21:35 | 21:43 | 18 | C4.2 | S21W01 | 9727 |
| 2001-12-08 | 22:11 | 22:21 | 19 | C5.3 | – | 9727 |
| 2001-12-09 | 15:33 | 15:41 | 21 | C6.8 | – | 9727 |
| 2001-12-09 | 20:27 | 20:34 | 18 | C4.5 | S21W09 | 9727 |
| 2001-12-10 | 09:31 | 09:38 | 12 | C8.6 | S25W19 | 9727 |
| 2001-12-10 | 12:08 | 12:24 | 32 | C2.3 | S20W19 | 9727 |
| 2001-12-10 | 17:48 | 17:52 | 12 | C4.2 | – | 9727 |
| 2001-12-11 | 14:42 | 14:51 | 15 | M1.3 | S26W35 | 9727 |
| 2001-12-12 | 03:36 | 03:50 | 28 | C3.4 | S16W42 | 9727 |
| 2001-12-12 | 08:45 | 08:53 | 14 | C3.2 | S26W44 | 9727 |
| 2001-12-12 | 20:20 | 20:24 | 8 | C9.3 | – | 9727 |
| 2001-12-12 | 21:41 | 22:00 | 37 | M5.6 | – | 9727 |
| 2001-12-12 | 23:13 | 23:22 | 15 | M4.8 | S19W55 | 9727 |
| 2001-12-13 | 06:32 | 06:40 | 28 | M1.8 | S20W58 | 9727 |
| 2001-12-13 | 22:44 | 23:07 | 33 | M1.4 | S18W67 | 9727 |
| 2001-12-14 | 06:45 | 06:52 | 12 | C5.9 | S20W70 | 9727 |
| 2001-12-15 | 00:51 | 01:01 | 24 | C8.3 | S19W90 | 9727 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
NOAA active region 9727 produced 22 C+ flares between 2001-12-05 and 2001-12-15.