Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 January 1993
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)
- 6
- Number of spots (f)
- 39
- Relative number (R)
- 99
- Observer
- MB
- Reading
- all checks consistent
- File
- 19930119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 14 | 75W | 98 | 78W | 1 | 18 |
| 2 | HS – 1 | 14 | 24E | 359 | 21E | 2.5 | 17 |
| 3 | ? – 1 | 9 | 82W | 105 | 85W | 1.5 | 13 |
| 4 | CRO – 7 | -24 | 00 | 23 | 3W | 3 | 15 |
| 5 | DAI – 20 | -12 | 4E | 19 | 1E | 5 | 16 |
| 6 | DAI – 7 | -14 | 74E | 309 | 71E | 5 | 19 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.