Daily Sunspot Evaluation
Observation Details Saturday, 23 October 2021
- No
- 19305
- Date
- 2021 / 10 / 23,499
- Time
- 11:58 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 23
- Relative number (R)
- 73
- Lf
- 0
- P0
- 25.59°
- B0
- 5.19°
- L0
- 338.56°
- Observer
- Özgecan ÖNALTAŞ
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 24 | 21.2E | 317 | 21.2E | 2.1 | |
| 2 | HS_ – 1 | -18 | 05.8E | 333 | 05.8E | 1.7 | |
| 3 | AX_ – 4 | -26 | 31.1E | 308 | 31.1E | 2.2 | |
| 4 | CSI – 8 | -21 | 59.1E | 280 | 59.1E | 9.4 | |
| 5 | DSI – 8 | -26 | 59.2E | 279 | 59.2E | 7.0 |
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