Daily Sunspot Evaluation
Observation Sheet Monday, 5 August 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)
- 8
- Number of spots (f)
- 50
- Relative number (R)
- 130
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19910805.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKO – 33 | 25 | 28W | 245 | 34W | 16.5 | 415 |
| 2 | AX – 1 | 35 | 08E | 209 | 02E | - | 416 |
| 3 | HA – 2 | 10 | 54E | 163 | 51E | 1.5 | 422 |
| 4 | AX – 1 | 16 | 62E | 155 | 59E | - | 425 |
| 5 | CSO – 7 | -17 | 25W | 242 | 28W | 11 | 419 |
| 6 | HA – 1 | -11 | 18W | 235 | 21W | 1.5 | 420 |
| 7 | CAO – 3 | -33 | 37E | 180 | 34E | 11.5 | 421 |
| 8 | HK – 2 | -25 | 56E | 161 | 53E | 3.5 | 423 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.