Daily Sunspot Evaluation
Observation Sheet Thursday, 30 August 2001
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)
- 7
- Number of spots (f)
- 94
- Relative number (R)
- 164
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20010830.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 4 | 22 | 25E | 249 | 21E | ~4 | |
| 2 | FKC – 28 | 14 | 59E | 212 | 56E | 20 | |
| 3 | AX – 1 | -10 | 68W | 339 | 71W | ||
| 4 | HA – 2 | -28 | 45W | 316 | 48W | ~4 | |
| 5 | FKC – 34 | -18 | 26W | 299 | 29W | ~19 | |
| 6 | AX – 4 | -16 | 11W | 282 | 14W | ~3 | |
| 7 | DAC – 21 | -17 | 35E | 236 | 32E | ~10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.