Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 March 1970
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)
- 10
- Number of spots (f)
- 100
- Relative number (R)
- 200
- Observer
- SM
- Reading
- all checks consistent
- File
- 19700324.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 40 | 18 | 07E | 257 | |||
| 2 | D – 6 | 11 | 10E | 254 | |||
| 3 | H – 1 | -4 | 03E | 261 | |||
| 4 | E – 20 | 13 | 25E | 239 | |||
| 5 | A – 2 | 21 | 40E | 224 | |||
| 6 | A – 2 | -3 | 82E | 182 | |||
| 7 | A – 1 | -17 | 65E | 199 | |||
| 8 | J – 1 | -16 | 39W | 303 | |||
| 9 | B – 10 | -7 | 13W | 277 | |||
| 10 | B – 17 | 16 | 72W | 336 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.