Daily Sunspot Evaluation
Observation Sheet Sunday, 16 February 1992
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 8
- Number of spots (f)
- 67
- Relative number (R)
- 147
- Observer
- MB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKI – 13 | 13 | 56W | 220 | 57W | 125 | 57 |
| 2 | HR – 3 | 16 | 39W | 203 | 40W | 15 | 65 |
| 3 | CRI – 12 | 14 | 22W | 186 | 23W | 06 | 76 |
| 4 | BXO – 3 | -10 | 27W | 191 | 28W | 45 | 77 |
| 5 | CRI – 6 | -8 | 08E | 156 | 09E | 05 | 73 |
| 6 | OKI – 27 | -12 | 17W | 181 | 18W | 10 | 64 |
| 7 | HR – 2 | -14 | 49E | 115 | 48E | 02 | 75 |
| 8 | ? – 1 | -10 | 80E | 89 ⚠ | 79E | - | 78 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.