Daily Sunspot Evaluation
Observation Details Sunday, 17 September 2023
- No
- 19824
- Date
- 2023 / 09 / 17,475
- Time
- 11:24 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 38
- Relative number (R)
- 98
- Lf
- 0
- P0
- 24.38°
- B0
- 7.17°
- L0
- 178.76°
- Observer
- Başar COŞKUNOĞLU
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 5 | 23 | 57.1W | 236 | 57.1W | 4.9 | |
| 2 | CSI – 15 | 12 | 27W | 206 | 27W | 8.7 | |
| 3 | AX_ – 5 | 21 | 13.2W | 192 | 13.2W | 2.6 | |
| 4 | CSI – 8 | 28 | 07.8E | 171 | 07.8E | 4.9 | |
| 5 | CHO – 4 | 9 | 79.5E | 99 | 79.5E | 14.1 | |
| 6 | AX_ – 1 | -13 | 27.1W | 206 | 27.1W | - |
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