Daily Sunspot Evaluation
Observation Sheet Thursday, 23 June 1988
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)
- 5
- Number of spots (f)
- 37
- Relative number (R)
- 87
- Observer
- HG
- Reading
- all checks consistent
- File
- 19880623.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 3 | 37 | 42W | 160 | 45W | 10.5 | 129 |
| 2 | HA – 1 | 38 | 27W | 145 | 80W | 3.5 | 125 |
| 3 | EKC – 26 | -17 | 34W | 152 | 37W | 11.5 | 122 |
| 4 | CAO – 2 | -22 | 21E | 97 | 18E | 8.5 | 126 |
| 5 | CAO – 5 | -23 | 29E | 89 | 26E | 4.5 | 128 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.