Daily Sunspot Evaluation
Observation Details Friday, 21 October 2011
- No
- 16351
- Date
- 2011 / 10 / 21,285
- Time
- 06:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 125
- Relative number (R)
- 215
- Lf
- 3
- P0
- 25.86°
- B0
- 5.42°
- L0
- 342.94°
- Observer
- Başar COŞKUNOĞLU
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 30 | 70W | 53 | 73W | 3.5 | |
| 2 | ESI – 16 | 13 | 69W | 52 | 72W | 12.6 | |
| 3 | HR_ – 1 | 17 | 36W | 19 | 39W | 1.3 | |
| 4 | BXI – 8 | 17 | 19E | 325 | 16E | 4.5 | |
| 5 | ESC – 61 | 10 | 40E | 303 | 37E | 14.0 | |
| 6 | CHI – 11 | 13 | 69E | 274 | 66E | 11.0 | |
| 7 | HS_ – 1 | -25 | 54W | 37 | 57W | 2.3 | |
| 8 | CSI – 10 | -30 | 32W | 15 | 35W | 3.9 | |
| 9 | CSI – 16 | -20 | 09E | 334 | 06E | 5.7 |
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