Daily Sunspot Evaluation
Observation Sheet Thursday, 16 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)
- 6
- Number of spots (f)
- 24
- Relative number (R)
- 84
- Observer
- HG
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 13 | 13 | 32W | 242 | 34W | 11.5 | 120 |
| 2 | AR – 1 | 34 | 48E | 162 | 46E | 0.5 | 124 |
| 3 | HA – 1 | 37 | 60E | 150 | 38E | 8.0 | 123 |
| 4 | AR – 1 | -18 | 72W | 282 | 73W | 0.5 | 119 |
| 5 | BRO – 3 | -81 | 25E | 185 | 23E | 2.5 | 125 |
| 6 | DKI – 5 | -16 | 57E | 158 ⚠ | 55E | 6. | 122 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.