Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 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)
- 5
- Number of spots (f)
- 69
- Relative number (R)
- 119
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19840515.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 60 | 7 | 35W | 153 | 38W | 19 | 41 |
| 2 | AXX – 1 | 15 | 35W | 153 | 38W | - | 48 |
| 3 | DAO – 5 | -12 | 31W | 149 | 34W | 6 | 45 |
| 4 | AXX – 2 | -14 | 30E | 88 | 27E | 15 | 90 |
| 5 | HSX – 1 | -15 | 67E | 51 | 91 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.