Daily Sunspot Evaluation
Observation Sheet Saturday, 24 March 1990
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)
- 12
- Number of spots (f)
- 121
- Relative number (R)
- 241
- Observer
- HE
- Reading
- all checks consistent
- File
- 19900324.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 17 | 37W | 2 | 39W | — | 117 |
| 2 | CAI – 7 | 22 | 06W | 331 | 08W | 5.5 | 129 |
| 3 | AX – 1 | 10 | 66E | 259 | 64E | — | 135 |
| 4 | ? – 1 | 25 | 77E | 248 | 75E | 5 | 136 |
| 5 | FKI – 15 | -34 | 50W | 15 | 52W | 19 | 144 |
| 6 | AX – 1 | -11 | 21W | 346 | 23W | — | 119 |
| 7 | EAC – 32 | -13 | 09W | 334 | 11W | 12.5 | 123 |
| 8 | AX – 1 | -17 | 02E | 323 | 00 | — | 137 |
| 9 | CAI – 23 | -32 | 03E | 322 | 01E | 15 | 122 |
| 10 | CSI – 10 | -18 | 11E | 314 | 09E | 4.5 | 124 |
| 11 | FKO – 22 | -7 | 21E | 304 | 19E | 15 | 126 |
| 12 | AX – 7 | -20 | 22E | 303 | 20E | 3 | 134 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.