Daily Sunspot Evaluation
Observation Sheet Monday, 23 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)
- 15
- Number of spots (f)
- 80
- Relative number (R)
- 230
- Observer
- HE
- Reading
- counts consistent, some coordinates doubtful
- File
- 19890123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 18 | 28W | 251 ⚠ | 80W | - | |
| 2 | HA – 2 | 18 | 60W | 233 | 62W | 0.75 | |
| 3 | CHI – 8 | 21 | 26W | 193 ⚠ | 28W | 7.5 | |
| 4 | BRO – 2 | 23 | 03E | 170 | 01E | 4.0 | |
| 5 | BXO – 6 | 25 | 18E | 155 | 16E | 6.0 | |
| 6 | EKS – 26 | 17 | 43E | 130 | 41E | 12.5 | |
| 7 | HA – 1 | 22 | 45E | 128 | 43E | 2.0 | |
| 8 | DAC – 12 | 13 | 46E | 127 | 44E | 12.5 | |
| 9 | ? – 1 | -20 | 83W | 256 | 85W | - | |
| 10 | AX – 2 | -15 | 77W | 250 | 79W | 3.0 | |
| 11 | AX – 2 | -17 | 03E | 170 | 01E | - | |
| 12 | AR – 1 | -22 | 09E | 164 | 07E | - | |
| 13 | AX – 3 | -18 | 13E | 160 | 11E | 1.0 | |
| 14 | AX – 1 | -14 | 13E | 160 | 11E | - | |
| 15 | ? – 11 | -19 | 72E | 96 ⚠ | 75E | 25.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.