Daily Sunspot Evaluation
Observation Details Tuesday, 31 May 2011
- No
- 16217
- Date
- 2011 / 05 / 31,403
- Time
- 09:40 UT
- Seeing
- 2 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 74
- Relative number (R)
- 144
- Lf
- 1
- P0
- -15.79°
- B0
- -0.79°
- L0
- 71.55°
- Observer
- Hikmet ÇAKMAK
Remarks: Yoğun Bulutlu, Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 5 | 22 | 60W | 132 | 61W | 3.2 | |
| 2 | HA_ – 2 | 16 | 13E | 59 | 12E | 1.3 | |
| 3 | CAI – 7 | 16 | 33E | 39 | 32E | 7.5 | |
| 4 | CAO – 3 | 17 | 54E | 18 | 53E | 8.5 | |
| 5 | BXO – 3 | 20 | 67E | 5 | 66E | 4.2 | |
| 6 | EAI – 41 | -21 | 37E | 35 | 36E | 10.1 | |
| 7 | DAI – 13 | -20 | 49E | 23 | 48E | 10.0 |