Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 May 1984
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)
- 45
- Relative number (R)
- 75
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 3 | 1 | 32E | 165 | 29E | 1.5 | 52 |
| 2 | FKC – 40 | 6 | 46E | 151 | 43E | 14.5 | 40 |
| 3 | AXX – 2 | -7 | 08E | 189 | 05E | 2 | 84 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.