Daily Sunspot Evaluation
Observation Sheet Monday, 10 June 1974
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)
- 33
- Relative number (R)
- 93
- Observer
- FA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19740610.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 17 | 4 | 52E | 52 ⚠ | |||
| 2 | B – 2 | -13 | 32W | 141 | |||
| 3 | A – 3 | -15 | 49W | 158 | |||
| 4 | J – 1 | -13 | 61W | 170 | |||
| 5 | J – 7 | -9 | 56W | 165 | |||
| 6 | A – 3 | 5 | 23W | 132 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.