Daily Sunspot Evaluation
Observation Sheet Sunday, 29 April 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)
- 58
- Relative number (R)
- 138
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20010429.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 19 | 16 | 55W | 153 | 58W | ~25 | |
| 2 | HR – 2 | 9 | 23W | 121 | 26W | 1 | |
| 3 | EAC – 21 | 6 | 20E | 78 | 17E | 10 | |
| 4 | HS – 1 | 26 | 32E | 66 | 29E | ~1 | |
| 5 | ? – 6 | 24 | 72E | 26 | 69E | ~14 | |
| 6 | HA – 2 | -11 | 23W | 121 | 26W | ~25 | |
| 7 | AX – 3 | -6 | 13W | 111 | 16W | ~3 | |
| 8 | CRI – 4 | -11 | 63E | 35 | 60E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.