Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 May 1980
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)
- 10
- Number of spots (f)
- 89
- Relative number (R)
- 189
- Observer
- OG
- Reading
- all checks consistent
- File
- 19800507.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 5 | 11 | 40W | 108 | 43W | ||
| 2 | CAI – 22 | 25 | 01W | 69 | 04W | ||
| 3 | CSI – 5 | 27 | 17E | 51 | 14E | ||
| 4 | ? – 5 | -17 | 80E | 348 | 77E | ||
| 5 | ? – 6 | -18 | 75W | 143 | 78W | ||
| 6 | DAO – 7 | -13 | 52W | 120 | 55W | ||
| 7 | HSX – 1 | -32 | 45W | 113 | 48W | ||
| 8 | EKO – 28 | -20 | 13W | 81 | 16W | ||
| 9 | HAX – 2 | -21 | 35E | 33 | 37E | ||
| 10 | DAO – 8 | -32 | 62E | 6 | 59E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.