Daily Sunspot Evaluation
Observation Sheet Monday, 19 June 1978
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)
- 12
- Number of spots (f)
- 92
- Relative number (R)
- 212
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 3 | 19 | 01E | 146 | 02W | ||
| 2 | D – 6 | 11 | 12E | 135 | 09E | ||
| 3 | A – 2 | 33 | 60E | 87 | 57E | ||
| 4 | H – 1 | 20 | 63E | 84 | 60E | ||
| 5 | ? – 1 | 17 | 79E | 68 | 76E | ||
| 6 | ? – 2 | -13 | 57E | 90 | 54E | ||
| 7 | H – 17 | -23 | 32E | 115 | 29E | ||
| 8 | D – 15 | 15 | 59W | 206 | 62W | ||
| 9 | C – 6 | 17 | 42W | 189 | 45W | ||
| 10 | G – 7 | 24 | 41W | 188 | 44W | ||
| 11 | D – 22 | 17 | 15W | 162 | 18W | ||
| 12 | C – 10 | 18 | 06W | 153 | 09W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.