Daily Sunspot Evaluation
Observation Details Wednesday, 26 April 2017
- No
- 18031
- Date
- 2017 / 04 / 26,306
- Time
- 07:20 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 19
- Relative number (R)
- 49
- Lf
- 3
- P0
- -24.85°
- B0
- -4.63°
- L0
- 43.91°
- Observer
- Özgecan ÖNALTAŞ
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DSO – 6 | 10 | 25W | 69 | 28W | 4.6 | |
| 2 | BXI – 8 | 13 | 15W | 59 | 18W | 2.8 | |
| 3 | CSO – 5 | -10 | 19E | 25 | 16E | 3.3 |