Daily Sunspot Evaluation
Observation Sheet Monday, 22 June 1987
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)
- 3
- Number of spots (f)
- 19
- Relative number (R)
- 49
- Observer
- HG
- Reading
- all checks consistent
- File
- 19870622.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 2 | 31 | 42W | 323 | 44W | -44 | 39 |
| 2 | DKZ – 14 | 19 | 20E | 261 | 18E | 8 43 | 37 |
| 3 | HAX – 3 | -31 | 25E | 256 | 23E | 2 41 | 35 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.