Daily Sunspot Evaluation
Observation Sheet Tuesday, 12 July 1994
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)
- 7
- Number of spots (f)
- 24
- Relative number (R)
- 94
- Observer
- MB
- Reading
- all checks consistent
- File
- 19940712.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 6 | 10 | 49W | 156 | 51W | 04 | 102 |
| 2 | HA – 3 | -9 | 61W | 168 | 63W | 02 | 107 |
| 3 | DAO – 5 | -17 | 61W | 168 | 63W | 4.5 | 108 |
| 4 | HR – 1 | -17 | 43W | 150 | 45W | 01 | 104 |
| 5 | AX – 1 | -12 | 31W | 138 | 33W | - | 111 |
| 6 | DRO – 5 | -12 | 35E | 72 | 33E | 2.5 | 108 |
| 7 | CRO – 3 | -13 | 62E | 45 | 60E | 04 | 110 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.