Daily Sunspot Evaluation
Observation Sheet Friday, 16 July 1993
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)
- 4
- Number of spots (f)
- 26
- Relative number (R)
- 66
- Observer
- TK
- Reading
- all checks consistent
- File
- 19930716.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 6 | 9 | 65W | 258 | 68W | 6.5 | 180 |
| 2 | BRI – 13 | 6 | 00 | 193 | 08W | 3.5 | 185 |
| 3 | ? – 2 | 8 | 75E | 118 | 72E | 4 | 186 |
| 4 | DAO – 5 | -9 | 29W | 222 | 32W | 9 | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.