Daily Sunspot Evaluation
Observation Sheet Sunday, 15 May 1983
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)
- 92
- Relative number (R)
- 192
- Observer
- TÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19830515.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 11 | 7 | 30E | 239 | 27E | 6 | 124 |
| 2 | DAC – 13 | 8 | 40E | 229 | 37E | 65 | 125 |
| 3 | DKC – 9 | -10 | 82W | 351 | 85W | 10 | 120 EE |
| 4 | DAI – 27 | -10 | 31W | 300 | 34W | 11 | 121 |
| 5 | CKI – 10 | -30 | 30W | 299 | 33W | 8 | 122 |
| 6 | AXX – 2 | -35 | 27W | 296 | 30W | 05 | 123 |
| 7 | DAI – 14 | -10 | 07W | 276 | 10W | 75 | 126 |
| 8 | AXX – 3 | -9 | 01E | 268 | 02W | 125 | 127 |
| 9 | CAO – 2 | -29 | 72E | 192 ⚠ | 74E | 7 | 129 |
| 10 | ? – 1 | -25 | 85E | 184 | 82E | 130 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.