Daily Sunspot Evaluation
Observation Sheet Saturday, 12 March 1994
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)
- 4
- Number of spots (f)
- 20
- Relative number (R)
- 60
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19940312.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 10 | 18 | 57E | 223 | 55E | 8 | 41 |
| 2 | CAI – 6 | -8 | 62W | 342 | 64W | 5 | 37 |
| 3 | AX – 2 | -15 | 47W | 327 | 49W | 15 | 43 |
| 4 | AX – 2 | -12 | 48W | 323 ⚠ | 45W | 1 | 42 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.