Daily Sunspot Evaluation
Observation Details Thursday, 12 September 2013
- No
- 16935
- Date
- 2013 / 09 / 12,281
- Time
- 06:45 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 11
- Number of spots (f)
- 21
- Relative number (R)
- 131
- Lf
- 3
- P0
- 23.57°
- B0
- 7.23°
- L0
- 209.31°
- Observer
- Ö.ÖNAL+Ü.K.
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 2 | 6 | 51W | 260 | 54W | 03.9 | |
| 2 | AX_ – 2 | 8 | 23W | 232 | 26W | 00.9 | |
| 3 | AX_ – 5 | 22 | 12E | 197 | 09E | 01.2 | |
| 4 | AX_ – 3 | 28 | 16E | 194 | 13E | 01.2 | |
| 5 | AX_ – 1 | 16 | 23E | 186 | 20E | - | |
| 6 | AX_ – 1 | 15 | 25E | 185 | 22E | - | |
| 7 | AX_ – 1 | 12 | 28E | 181 | 25E | - | |
| 8 | BXI – 2 | -4 | 13W | 222 | 16W | 03.4 | |
| 9 | AX_ – 2 | -10 | 09W | 218 | 12W | 02.3 | |
| 10 | AX_ – 1 | -7 | 66E | 144 | 63E | - | |
| 11 | HS_ – 1 | -4 | 66E | 143 | 63E | 01.7 |
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