Daily Sunspot Evaluation
Observation Details Wednesday, 21 August 2013
- No
- 16913
- Date
- 2013 / 08 / 21,330
- Time
- 07:55 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 85
- Relative number (R)
- 175
- Lf
- 2
- P0
- 18.08°
- B0
- 6.91°
- L0
- 139.27°
- Observer
- Korhan YELKENCİ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 10 | 5 | 50W | 189 | 52W | 05.2 | |
| 2 | CAO – 14 | 16 | 43W | 182 | 45W | 09.9 | |
| 3 | BXO – 7 | 25 | 25W | 164 | 27W | 01.6 | |
| 4 | CAI – 7 | 15 | 53E | 87 | 51E | 07.7 | |
| 5 | HS_ – 1 | -6 | 79W | 218 | 81W | 04.7 | |
| 6 | BXO – 2 | -13 | 60W | 199 | 62W | 01.2 | |
| 7 | DAI – 29 | -13 | 37W | 176 | 39W | 08.3 | |
| 8 | CHO – 5 | -8 | 00W | 139 | 02W | 07.3 | |
| 9 | CSI – 10 | -18 | 42E | 97 | 40E | 07.4 |