Daily Sunspot Evaluation
Observation Sheet Saturday, 27 February 1993
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)
- 6
- Number of spots (f)
- 44
- Relative number (R)
- 104
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19930227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 5 | 17 | 45W | 271 | 44W | 4° | 52 |
| 2 | ESI – 19 | 12 | 11W | 239 | 12W | 13 | 47 |
| 3 | DAO – 8 | 10 | 48E | 180 | 47E | 9 | 51 |
| 4 | DAO – 2 | -13 | 64W | 292 | 65W | 4 | 43 |
| 5 | BXI – 9 | -18 | 34W | 262 | 35W | 8 | 46 |
| 6 | HS – 1 | -12 | 10E | 218 | 09E | 2 | 50 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.