Daily Sunspot Evaluation
Observation Sheet Sunday, 15 January 1989
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)
- 110
- Relative number (R)
- 200
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19890115.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 28 | 22 | 09E | 268 | 08E | 9.5 | 23 |
| 2 | EKI – 12 | 19 | 32E | 245 | 31E | 11.0 | 24 |
| 3 | ? – 2 | 22 | 72E | 205 | 71E | 12.0 | 72 |
| 4 | HA – 2 | -19 | 71W | 348 | 72W | 2.5 | 16 |
| 5 | HS – 1 | -14 | 59W | 336 | 60W | 2.0 | 12 |
| 6 | FKC – 49 | -32 | 25W | 302 | 26W | 19.0 | 15 |
| 7 | CRO – 6 | -32 | 00 | 277 | 01W | 11.0 | 20 |
| 8 | AX – 5 | -16 | 09E | 268 | 08E | 3.5 | 25 |
| 9 | HA – 5 | -20 | 21E | 256 | 20E | 3.5 | 26 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.