Daily Sunspot Evaluation
Observation Sheet Thursday, 23 May 1985
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)
- 12
- Relative number (R)
- 32
- Observer
- HM
- Reading
- all checks consistent
- File
- 19850523.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 10 | 6 | 01E | 234 | 02W | 3.5 | |
| 2 | HSX – 2 | -8 | 26W | 261 | 29W | 2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.