Daily Sunspot Evaluation
Observation Sheet Thursday, 2 March 1978
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)
- 51
- Relative number (R)
- 141
- Observer
- FA
- Reading
- all checks consistent
- File
- 19780302.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 18 | 00 | 146 | 03W | ||
| 2 | ? – 1 | 29 | 79E | 67 | 76E | ||
| 3 | ? – 10 | 20 | 71E | 75 | 68E | ||
| 4 | ? – 3 | 15 | 71E | 75 | 68E | ||
| 5 | J – 10 | -24 | 07E | 139 | 04E | ||
| 6 | A – 2 | -24 | 16W | 162 | 19W | ||
| 7 | H – 2 | -21 | 38W | 184 | 41W | ||
| 8 | A – 2 | -16 | 43W | 189 | 46W | ||
| 9 | D – 19 | 37 | 44W | 190 | 47W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.