Daily Sunspot Evaluation
Observation Sheet Tuesday, 1 February 2005
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)
- 2
- Number of spots (f)
- 8
- Relative number (R)
- 28
- Observer
- MB
- Reading
- all checks consistent
- File
- 20050201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | -10 | 59W | 21 | 62W | 1.5 | |
| 2 | CAI – 7 | -10 | 14E | 308 | 11E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.