Daily Sunspot Evaluation
Observation Sheet Saturday, 30 June 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)
- 8
- Number of spots (f)
- 31
- Relative number (R)
- 111
- Observer
- MB
- Reading
- all checks consistent
- File
- 20010630.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 2 | 11 | 70W | 68 | 73W | ~1 | |
| 2 | CSI – 7 | 22 | 29W | 27 | 32W | ~7.5 | |
| 3 | HS – 1 | 11 | 17W | 15 | 20W | ~2 | |
| 4 | ? – 1 | 18 | 83E | 275 | 80E | ~2 | |
| 5 | CSI – 5 | -6 | 40W | 38 | 43W | ~6.5 | |
| 6 | CRO – 3 | -48 | 21E | 337 | 18E | ~6 | |
| 7 | DAI – 10 | -49 | 33E | 325 | 30E | 7 | |
| 8 | HS – 2 | -8 | 48E | 310 | 45E | ~1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.