Daily Sunspot Evaluation
Observation Sheet Sunday, 1 July 1979
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)
- 13
- Number of spots (f)
- 54
- Relative number (R)
- 184
- Observer
- ED
- Reading
- counts consistent, some coordinates doubtful
- File
- 19790701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 18 | 04E | 209 | 04W | 46 | |
| 2 | E – 21 | 20 | 37E | 173 | 35E | 56 | |
| 3 | ? – 1 | 24 | 80E | 130 | 78E | 66 | |
| 4 | A – 1 | 10 | 48E | 192 ⚠ | 16E | 68 | |
| 5 | ? – 1 | 12 | 87E | 123 | 85E | 67 | |
| 6 | H – 1 | 7 | 62E | 148 | 60E | 63 | |
| 7 | A – 7 | 5 | 33E | 177 | 31E | 57 | |
| 8 | C – 8 | -13 | 58E | 152 | 56E | 69 | |
| 9 | H – 1 | -21 | 44E | 166 | 42E | 58 | |
| 10 | B – 2 | -27 | 64E | 146 | 62E | 61 | |
| 11 | H – 2 | -12 | 51W | 267 ⚠ | 59W | 42 | |
| 12 | A – 1 | 17 | 70W | 280 | 72W | 70 | |
| 13 | H – 6 | 15 | 04W | 214 | 06W | 47 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.