Daily Sunspot Evaluation
Observation Sheet Sunday, 19 March 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)
- 80
- Relative number (R)
- 170
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 5 | 35 | 78W | 247 | 80W | - | 134 |
| 2 | BXC – 13 | 16 | 36W | 205 | 38W | 7.0 | 133 |
| 3 | HA – 9 | 32 | 04W | 173 | 06W | 4.0 | 131 |
| 4 | HK – 17 | 18 | 31E | 138 | 29E | 8.0 | 135 |
| 5 | CAE – 11 | 12 | 44E | 125 | 42E | 10.0 | 136 |
| 6 | HK – 1 | -16 | 77W | 246 | 79W | 3.0 | 137 |
| 7 | AX – 1 | -17 | 54W | 223 | 56W | - | 138 |
| 8 | HS – 21 | -14 | 09W | 178 | 11W | 7.5 | 139 |
| 9 | AX – 2 | -16 | 18E | 151 | 16E | 1.5 | 140 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.