Daily Sunspot Evaluation
Observation Details Friday, 21 May 2010
- No
- 13
- Date
- 2010 / 05 / 21,271
- Time
- 06:30 UT
- Seeing
- 5 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 4
- Relative number (R)
- 14
- Lf
- 3
- P0
- -19.17°
- B0
- -1.97°
- L0
- 343.16°
- Observer
- Hikmet ÇAKMAK
Remarks: -
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | -15 | 29E | 314 | 26E | 3.9 |