Daily Sunspot Evaluation
Observation Sheet Sunday, 29 January 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)
- 8
- Number of spots (f)
- 65
- Relative number (R)
- 145
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780129.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 25 | 63E | 144 | 61E | ||
| 2 | D – 5 | 20 | 63E | 144 | 61E | ||
| 3 | B – 7 | 16 | 49E | 158 | 17E | ||
| 4 | C – 8 | -17 | 40E | 167 | 38E | ||
| 5 | E – 26 | -30 | 45E | 162 | 43E | ||
| 6 | A – 2 | 11 | 51W | 258 | 53W | ||
| 7 | D – 15 | 16 | 50W | 257 | 52W | ||
| 8 | J – 1 | 20 | 31W | 238 | 33W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.