Daily Sunspot Evaluation
Observation Details Tuesday, 18 April 2023
- No
- 19692
- Date
- 2023 / 04 / 18,458
- Time
- 11:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 65
- Relative number (R)
- 135
- Lf
- 1
- P0
- -25.79°
- B0
- -5.38°
- L0
- 29.03°
- Observer
- Korhan YELKENCİ
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 19 | 33.1W | 62 | 34.1W | - | |
| 2 | FAC – 20 | 12 | 04.8E | 24 | 03.8E | 16.3 | |
| 3 | BXI – 3 | -24 | 67.7W | 97 | 68.7W | 3.4 | |
| 4 | FAI – 16 | -19 | 07.1W | 36 | 08.1W | 16.8 | |
| 5 | DAC – 17 | -24 | 12.7E | 16 | 11.7E | 11.4 | |
| 6 | CAI – 4 | -22 | 29.1E | 360 | 28.1E | 3.0 | |
| 7 | CAI – 4 | -10 | 68.7E | 320 | 67.7E | 7.5 |