| Date | Start | End | GOES | AR* | Other | PA | Description |
|---|---|---|---|---|---|---|---|
| 2003/11/18 | 05:36 | 06:12 | C4 | 10501 | Sigmoidal brightening visible in 195A; material ejected to SW. Ejecta appears to pass under filament just to W of AR. | ||
| 2003/11/18 | 07:36 | + | M2 | 10501 | Two M-class flares in quick succession in AR10501. First is almost a repeat of 05:36 event. Filament channel to E of AR energises at 08:12; wave propagates all the way to SW limb. Nice arcade. Full Halo CME. | ||
| 2003/11/18 | 09:24 | Loops overlying new AR on E limb (old AR10486) open. | |||||
| 2003/11/18 | 09:48 | + | M4 | Flare in new AR on E limb. Data gap (currently) from 10:14 to 12:48 hides evolution. Arcade at South end of AR; big bright loop at North end. | |||
See note on active region numbers.