Daily Sunspot Evaluation
Observation Sheet Sunday, 17 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)
- 5
- Number of spots (f)
- 32
- Relative number (R)
- 82
- Observer
- MB
- Reading
- all checks consistent
- File
- 19940717.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRI – 8 | 11 | 37W | 79 | 40W | 4.5 | 112 |
| 2 | DAO – 4 | 11 | 74E | 328 | 71E | 7.5 | 116 |
| 3 | HR – 2 | -12 | 32W | 74 | 35W | 0.5 | 108 |
| 4 | DRO – 6 | -13 | 01W | 46 | 07W | 7.5 | 110 |
| 5 | DRI – 12 | -13 | 43E | 359 | 41E | 5 | 115 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.