Daily Sunspot Evaluation
Observation Sheet Monday, 7 January 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)
- 16
- Number of spots (f)
- 115
- Relative number (R)
- 275
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 19 | 33W | 254 | 34W | ||
| 2 | EKO – 10 | 13 | 16W | 237 | 17W | 13 | |
| 3 | EKI – 8 | 20 | 00 | 221 | 01W | 12 | |
| 4 | EHC – 31 | 18 | 20E | 201 | 19E | 12 | |
| 5 | CSI – 7 | 12 | 32E | 189 | 31E | 04 | |
| 6 | HHI – 10 | 16 | 40E | 181 | 39E | 07 | |
| 7 | HAX – 2 | 19 | 49E | 172 | 48E | 02 | |
| 8 | AXX – 1 | 10 | 60E | 161 | 59E | ||
| 9 | HKX – 2 | 14 | 55W | 276 | 56W | 03 | |
| 10 | AXX – 1 | -20 | 46W | 267 | 49W | ||
| 11 | AXX – 6 | -29 | 30W | 251 | 31W | 01 | |
| 12 | DRO – 2 | -24 | 16W | 237 | 17W | 04 | |
| 13 | AXX – 1 | -15 | 12W | 233 | 13W | ||
| 14 | HKI – 10 | -15 | 06E | 215 | 05E | 04 | |
| 15 | HSX – 1 | -19 | 14E | 207 | 13E | 02 | |
| 16 | EKC – 22 | -11 | 44E | 177 | 43E | 09 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.