Viewing archive of Monday, 20 December 2004 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 30 1 | 0 | B1.3 | B3.93 |
Sunspot regions
Region 10712 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 10 -20 | BXO | S11E24 | |
Region 10713 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 120 20 | CSO | S10E46 | |
Latest news
Tuesday, 10 December 2019 - 18:50 UTC
Official Solar Cycle 25 Forecast Update
Monday, 9 December 2019 - 21:40 UTC
Welcome GOES-16!
Monday, 18 November 2019 - 20:12 UTC
Coronal hole faces Earth
Latest forum messages
- Stretch of Spotless Days 3
- Strange "Wave" Phenomenon on the Sun 11
- Ap & aa Indices and Solar Minimum 56
- New Goes-16 readings 9
- Spotless Days 2
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2019/10/26 | Kp5 (G1) |
| Number of spotless days in 2019: | 267 | |
| Current stretch spotless days: | 41 | |