Daily Sunspot Evaluation
Observation Sheet Monday, 23 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)
- 9
- Number of spots (f)
- 87
- Relative number (R)
- 177
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700323.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 12 | -7 | 0 | 277 | |||
| 2 | E – 33 | 18 | 19E | 258 | |||
| 3 | D – 13 | 11 | 22E | 255 | |||
| 4 | G – 7 | 14 | 37E | 240 | |||
| 5 | A – 1 | 26 | 59E | 218 | |||
| 6 | J – 1 | 22 | 54E | 223 | |||
| 7 | H – 1 | -5 | 15E | 262 | |||
| 8 | J – 1 | -16 | 27W | 304 | |||
| 9 | E – 18 | 16 | 61W | 338 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.