Daily Sunspot Evaluation
Observation Sheet Saturday, 1 July 2000
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)
- 12
- Number of spots (f)
- 53
- Relative number (R)
- 173
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20000701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 12 | 72W | 194 | 74W | 4 | |
| 2 | HA – 1 | 20 | 51W | 173 | 53W | ~2 | |
| 3 | HH – 1 | 14 | 38W | 160 | 40W | 3 | |
| 4 | GSI – 13 | 25 | 15W | 137 | 17W | ~12.5 | |
| 5 | HS – 1 | 21 | 59E | 63 | 57E | 1 | |
| 6 | CSO – 7 | 12 | 65E | 57 | 63E | 16 | |
| 7 | HS – 1 | -13 | 55W | 177 | 57W | ~3 | |
| 8 | HS – 1 | -14 | 12W | 134 | 14W | 1 | |
| 9 | EAI – 21 | -17 | 06E | 116 | 04E | ~10.5 | |
| 10 | HAI – 1 | -21 | 58E | 64 | 56E | ~3 | |
| 11 | CAO – 3 | -20 | 73E | 49 | 71E | 6 | |
| 12 | ? – 1 | -13 | 82E | 40 | 80E | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



