Observation Details Friday, 12 April 2013
- No
- 16787
- Date
- 2013 / 04 / 12,351
- Time
- 08:25 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 110
- Relative number (R)
- 180
- Lf
- 2
- P0
- -26.15°
- B0
- -5.81°
- L0
- 71.65°
- Observer
- Başar COŞKUNOĞLU
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|
| 1 | HS_ – 1 |
13 | 56W | 128 |
58W | 1.5 | |
| 2 | DSC – 29 |
21 | 34W | 106 |
36W | 7.7 | |
| 3 | AX_ – 3 |
10 | 09W | 81 |
11W | 0.6 | |
| 4 | DSI – 32 |
12 | 04W | 76 |
06W | 7.0 | |
| 5 | HS_ – 2 |
9 | 01W | 73 |
03W | 2.0 | |
| 6 | DSC – 34 |
-18 | 17E | 55 |
15E | 8.5 | |
| 7 | CSO – 9 |
-20 | 26E | 46 |
24E | 7.8 | |
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