Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 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)
- 9
- Number of spots (f)
- 72
- Relative number (R)
- 162
- Observer
- HM
- Reading
- all checks consistent
- File
- 19800506.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 5 | 10 | 27W | 107 | 29W | 5 | |
| 2 | DAI – 14 | 24 | 08E | 72 | 06E | 6 | |
| 3 | BXO – 6 | 26 | 29E | 51 | 27E | 6 | |
| 4 | EKI – 10 | -18 | 71W | 151 | 73W | 22 | |
| 5 | BRO – 7 | -13 | 39W | 119 | 41W | 5 | |
| 6 | CAO – 6 | -33 | 30W | 110 | 32W | 6 | |
| 7 | EKO – 18 | -20 | 02W | 82 | 04W | 13 | |
| 8 | HSX – 1 | -21 | 48E | 32 | 46E | - | |
| 9 | BXI – 5 | -32 | 76E | 4 | 74 | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.