Daily Sunspot Evaluation
Observation Sheet Thursday, 23 January 1992
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)
- 42
- Relative number (R)
- 132
- Observer
- TK
- Reading
- all checks consistent
- File
- 19920123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 16 | 17 | 31W | 152 | 33W | 10 | 32 |
| 2 | DKO – 12 | 3 | 19E | 102 | 17E | 7.5 | 31 |
| 3 | HH – 1 | -12 | 77W | 198 | 79W | 2.5 | 22 |
| 4 | AX – 1 | -12 | 10E | 111 | 08E | 38 | |
| 5 | AX – 2 | -16 | 12E | 109 | 10E | 37 | |
| 6 | AX – 2 | -21 | 16E | 105 | 14E | 0.5 | 36 E |
| 7 | CAO – 3 | -16 | 23E | 96 | 21E | 10.5 | 30 |
| 8 | AR – 1 | -17 | 42E | 77 | 40E | 1 | 35 |
| 9 | CSI – 4 | -13 | 50E | 71 | 48E | 10.5 | 34 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.