Daily Sunspot Evaluation
Observation Sheet Saturday, 22 June 1991
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)
- 11
- Number of spots (f)
- 83
- Relative number (R)
- 193
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19910622.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 8 | 8 | 13W | 92 | 16W | 4 | 302 |
| 2 | DAI – 17 | 15 | 05W | 84 | 08W | 7 | 315 |
| 3 | HA – 3 | 23 | 30E | 49 | 27E | 1.5 | 310 |
| 4 | CAO – 3 | -15 | 69W | 148 | 72W | 11 | 300 |
| 5 | CAI – 27 | -11 | 53W | 132 | 56W | 12 | 304 |
| 6 | AX – 2 | -12 | 42W | 121 | 45W | 0.5 | 320 |
| 7 | DSI – 7 | -29 | 21W | 100 | 24W | 6 | 317 |
| 8 | AX – 1 | -24 | 14W | 93 | 17W | 321 | |
| 9 | BRO – 13 | -16 | 25E | 54 | 22E | 7 | 314 |
| 10 | AX – 1 | -26 | 64E | 15 | 61E | 313 | |
| 11 | AX – 1 | -10 | 80E | 359 | 77E | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.