Daily Sunspot Evaluation
Observation Details Tuesday, 20 September 2011
- No
- 16327
- Date
- 2011 / 09 / 20,271
- Time
- 06:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 83
- Relative number (R)
- 153
- Lf
- 3
- P0
- 24.80°
- B0
- 7.12°
- L0
- 32.15°
- Observer
- Asuman GÜLTEKİN
Remarks: Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 2 | 25 | 63W | 94 | 66W | 2.2 | |
| 2 | BXO – 3 | 15 | 25W | 57 | 28W | 4.7 | |
| 3 | DKI – 40 | 23 | 24W | 55 | 27W | 10.2 | |
| 4 | AX_ – 1 | 25 | 13W | 44 | 16W | - | |
| 5 | AX_ – 5 | 27 | 06W | 37 | 09W | 1.9 | |
| 6 | CAI – 21 | 20 | 63E | 329 | 60E | 11.1 | |
| 7 | BXO – 11 | -20 | 29W | 60 | 32W | 5.1 |
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