Daily Sunspot Evaluation
Observation Sheet Friday, 25 March 1988
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)
- 51
- Relative number (R)
- 111
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880325.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAF – 4 | 23 | 28W | 249 ⚠ | 29W | 3 | 57 |
| 2 | CAI – 10 | 20 | 41W | 237 ⚠ | 41W | 7 | 54 |
| 3 | EKC – 22 | 19 | 67E | 159 | 67E | 14 | 56 |
| 4 | DKO – 4 | -37 | 79W | 305 | 79W | 7 | 48 |
| 5 | DAE – 10 | -34 | 32E | 194 | 32E | 8 | 55 |
| 6 | AXX – 1 | -24 | 72E | 154 | 72E | - | 58 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.