Daily Sunspot Evaluation
Observation Details Saturday, 21 February 2015
- No
- 17368
- Date
- 2015 / 02 / 21,382
- Time
- 09:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 25
- Relative number (R)
- 75
- Lf
- 2
- P0
- -19.31°
- B0
- -7.05°
- L0
- 95.28°
- Observer
- Sinan ALİŞ
Remarks: Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 13 | 14 | 09W | 105 | 11W | 08.0 | |
| 2 | AX_ – 2 | 13 | 21E | 74 | 19E | 02.1 | |
| 3 | CSI – 5 | 20 | 40E | 55 | 38E | 07.3 | |
| 4 | DSI – 4 | -9 | 72W | 167 | 74W | 09.9 | |
| 5 | AX_ – 1 | -7 | 39E | 56 | 37E | - |
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