Daily Sunspot Evaluation
Observation Sheet Thursday, 10 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)
- 82
- Relative number (R)
- 132
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRI – 7 | 6 | 18E | 166 | 15E | 4 | 86 |
| 2 | HAX – 3 | 1 | 19E | 165 | 16E | 1 | 87 |
| 3 | PKC – 59 | 7 | 32E | 152 | 29E | 20 | 81 |
| 4 | CRI – 5 | -12 | 65W | 249 | 68W | 5 | 85 |
| 5 | DAI – 8 | -6 | 05W | 189 | 08W | 35 | 84 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.