Daily Sunspot Evaluation
Observation Sheet Monday, 2 July 1973
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)
- 3
- Number of spots (f)
- 19
- Relative number (R)
- 49
- Observer
- HM
- Reading
- all checks consistent
- File
- 19730702.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 10 | 13 | 46E | 270 | 127 | ||
| 2 | B – 2 | -5 | 45E | 271 | 129 | ||
| 3 | B – 7 | -6 | 35E | 281 | 123 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.