Daily Sunspot Evaluation
Observation Sheet Thursday, 1 December 1988
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)
- 8
- Number of spots (f)
- 100
- Relative number (R)
- 180
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19881201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRI – 18 | 22 | 42W | 194 | 44W | 8.0 | 327 |
| 2 | BXO – 5 | 20 | 10W | 162 | 12W | 3.0 | 328 |
| 3 | DAI – 22 | 18 | 03E | 149 | 01E | 9.0 | 332 |
| 4 | HA – 6 | 15 | 37E | 115 | 35E | 3.0 | 329 |
| 5 | DHI – 12 | 19 | 57E | 95 | 55E | 3.0 | 333 E |
| 6 | AX – 2 | -6 | 31W | 183 | 33W | 1.0 | 334 |
| 7 | DHC – 23 | -18 | 02W | 154 | 04W | 6.5 | 331 |
| 8 | CAFE – 12 | -14 | 30E | 122 | 28E | 5.0 | 335 E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.