Daily Sunspot Evaluation
Observation Sheet Thursday, 1 March 1979
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)
- 11
- Number of spots (f)
- 43
- Relative number (R)
- 153
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790301.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 4 | 10 | 53E | 328 | 51E | 128 | |
| 2 | J – 2 | -20 | 62E | 319 | 60E | 129 | |
| 3 | G – 12 | -23 | 36E | 345 | 34E | 126 | |
| 4 | A – 1 | -21 | 13E | 8 | 11E | 127 | |
| 5 | A – 1 | -20 | 06E | 15 | 04E | 118 | |
| 6 | B – 5 | -33 | 23W | 44 | 25W | 130 | |
| 7 | G – 5 | -33 | 51W | 72 | 53W | 122 | |
| 8 | C – 8 | -19 | 28W | 49 | 30W | 124 | |
| 9 | J – 1 | -27 | 45W | 66 | 47W | 114 | |
| 10 | J – 2 | -26 | 60W | 81 | 62W | 112 | |
| 11 | J – 2 | 35 | 41W | 62 | 43W | 116 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.