Daily Sunspot Evaluation
Observation Sheet Monday, 21 June 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)
- 2
- Number of spots (f)
- 15
- Relative number (R)
- 35
- Observer
- TK
- Reading
- all checks consistent
- File
- 19930621.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 9 | 37E | 127 | 34E | - | 161 |
| 2 | DAI – 14 | -17 | 27W | 191 | 30W | 8.5 | 159 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.