Daily Sunspot Evaluation
Observation Details Thursday, 2 February 2017
- No
- 17969
- Date
- 2017 / 02 / 02,309
- Time
- 07:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 13
- Relative number (R)
- 43
- Lf
- 3
- P0
- -12.76°
- B0
- -6.12°
- L0
- 58.13°
- Observer
- Seda KAPTAN
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 16 | 52W | 110 | 55W | 2.9 | |
| 2 | BXO – 4 | 15 | 38W | 96 | 41W | 3.6 | |
| 3 | DSI – 8 | 15 | 24W | 82 | 27W | 7.1 |
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