Daily Sunspot Evaluation
Observation Details Thursday, 21 September 2023
- No
- 19828
- Date
- 2023 / 09 / 21,387
- Time
- 09:17 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 11
- Number of spots (f)
- 75
- Relative number (R)
- 185
- Lf
- 1
- P0
- 24.95°
- B0
- 7.09°
- L0
- 127.13°
- Observer
- Burçin TANIK
Remarks: Görüntü Titremesi, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 1 | 11 | 85.1W | 212 | 86.1W | - | |
| 2 | CSI – 7 | 21 | 67W | 194 | 68W | 9.9 | |
| 3 | HS_ – 1 | 28 | 43.4W | 171 | 44.4W | 2.2 | |
| 4 | DSC – 11 | 28 | 18.2W | 145 | 19.2W | 6.1 | |
| 5 | BXI – 10 | 8 | 06.4W | 134 | 07.4W | 3.5 | |
| 6 | DSI – 13 | 11 | 17E | 110 | 16E | 4.4 | |
| 7 | CKI – 13 | 9 | 25.8E | 101 | 24.8E | 5.1 | |
| 8 | HS_ – 1 | 18 | 43.3E | 84 | 42.3E | 1.3 | |
| 9 | ESI – 6 | -19 | 46.1W | 173 | 47.1W | 10.1 | |
| 10 | HS_ – 1 | -24 | 27.6E | 100 | 26.6E | 1.3 | |
| 11 | CSI – 11 | -12 | 55.4E | 72 | 54.4E | 15.7 |
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