Daily Sunspot Evaluation
Observation Sheet Thursday, 12 May 1994
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)
- 3
- Number of spots (f)
- 9
- Relative number (R)
- 39
- Observer
- TA
- Reading
- all checks consistent
- File
- 19940512.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 3 | 9 | 38E | 157 | 36E | 2 | 75 |
| 2 | DAO – 3 | 6 | 74E | 121 | 72E | 5 | 77 |
| 3 | AX – 3 | -12 | 52E | 143 | 50E | 1 | 78 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.