Daily Sunspot Evaluation
Observation Sheet Monday, 18 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)
- 6
- Number of spots (f)
- 17
- Relative number (R)
- 77
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19940718.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 11 | 51W | 80 | 54W | 4 | 112 |
| 2 | DSO – 5 | 12 | 58E | 331 | 55E | 7 | 116 |
| 3 | AX – 1 | -12 | 45W | 76 | 48W | - | 108 |
| 4 | AX – 2 | -11 | 22W | 51 | 25W | 1 | 110 |
| 5 | BXO – 6 | -13 | 28E | 0 | 26E | 3.5 | 115 |
| 6 | ? – 1 | -14 | 76E | 313 | 73E | - | 113 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.