Solar flares on July 19, 2002
The most powerful solar flare in 24 hours
C4.0 (normal) flare - July 19 at 11:00 PM
Solar activity index
Value as of the end of the day on July 19, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 18, 2002 to July 19, 2002
Time zone — UTC-04 (Providence) — summer time
List of solar flares for July 19, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.0 | 22:50 | 23:00 | 23:10 | — |
| C3.9 | 12:46 | 14:53 | 16:37 | 30 |
| C1.2 | 08:45 | 08:48 | 08:51 | 30 |
| C1.7 | 06:15 | 06:20 | 06:27 | 35 |
| C1.3 | 05:15 | 05:19 | 05:23 | — |
| C1.0 | 04:37 | 04:40 | 04:44 | — |
| C1.2 | 01:06 | 01:09 | 01:12 | 30 |