Daily Sunspot Evaluation
Observation Sheet Sunday, 1 July 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)
- 9
- Number of spots (f)
- 20
- Relative number (R)
- 110
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 20010701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 6 | 23 | 39W | 24 | 42W | 13 | |
| 2 | HS – 1 | 11 | 30W | 15 | 33W | 2 | |
| 3 | CAO – 2 | 18 | 74E | 271 | 71E | ~6 | |
| 4 | ? – 1 | 9 | 75E | 270 | 72E | - | |
| 5 | HS – 1 | -7 | 56W | 41 | 59W | ~1.5 | |
| 6 | BAO – 2 | -47 | 10E | 335 | 07E | 8 | |
| 7 | CAO – 4 | -49 | 23E | 322 | 20E | 8 | |
| 8 | HR – 1 | -7 | 36E | 309 | 53E | 0.5 | |
| 9 | ? – 2 | -17 | 83E | 262 | 80E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.