Daily Sunspot Evaluation
Observation Details Tuesday, 17 May 2011
- No
- 16205
- Date
- 2011 / 05 / 17,267
- Time
- 06:25 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 31
- Relative number (R)
- 81
- Lf
- 3
- P0
- -20.44°
- B0
- -2.46°
- L0
- 258.57°
- Observer
- Hikmet ÇAKMAK
Remarks: -
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 10 | 66W | 325 | 69W | 6.4 | |
| 2 | AX_ – 1 | 20 | 03W | 262 | 06W | - | |
| 3 | CAI – 20 | -24 | 17W | 276 | 20W | 8.0 | |
| 4 | BXO – 5 | -24 | 09W | 268 | 12W | 4.6 | |
| 5 | HS_ – 1 | -16 | 64E | 195 | 61E | 2.1 |