Daily Sunspot Evaluation
Observation Sheet Thursday, 19 July 1984
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)
- 2
- Number of spots (f)
- 6
- Relative number (R)
- 26
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840719.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | -14 | 53W | 28 | 53W | 0.5 | 135 |
| 2 | BRO – 5 | -16 | 25E | 310 | 25E | 3.5 | 176 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.