Daily Sunspot Evaluation
Observation Details Saturday, 21 September 2013
- No
- 16943
- Date
- 2013 / 09 / 21,281
- Time
- 06:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 31
- Relative number (R)
- 101
- Lf
- 3
- P0
- 25.01°
- B0
- 7.08°
- L0
- 90.50°
- Observer
- Asuman GÜLTEKİN
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 2 | 40W | 130 | 43W | 0.9 | |
| 2 | CRO – 16 | 21 | 14E | 76 | 11E | 6.8 | |
| 3 | DRO – 6 | 8 | 63E | 27 | 60E | 8.1 | |
| 4 | AX_ – 1 | -21 | 71W | 161 | 74W | - | |
| 5 | AX_ – 1 | -10 | 68W | 158 | 71W | - | |
| 6 | AX_ – 1 | -3 | 54W | 144 | 57W | - | |
| 7 | CSO – 4 | -18 | 37E | 53 | 34E | 11.3 |
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