Daily Sunspot Evaluation
Observation Sheet Thursday, 7 June 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)
- 3
- Number of spots (f)
- 10
- Relative number (R)
- 40
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19840607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKI – 8 | 5 | 41E | 153 | 18E | 5 | 104 |
| 2 | AXX – 1 | 13 | 21E | 153 ⚠ | 18E | - | 105 |
| 3 | ? – 1 | -13 | 28W | 252 ⚠ | 31W | 3 | 100 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.