Daily Sunspot Evaluation
Observation Sheet Thursday, 25 June 1998
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)
- 7
- Number of spots (f)
- 27
- Relative number (R)
- 97
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19980625.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 17 | 85W | 214 | 87W | - | 106 105 |
| 2 | AX – 2 | 23 | 58W | 187 | 60W | 1 | 118 115 |
| 3 | AX – 2 | 29 | 04E | 125 | 02E | 0.5 | 118 116 |
| 4 | DAI – 12 | 19 | 48E | 81 | 46E | 7.5 | 115 115 |
| 5 | HS – 1 | -28 | 46W | 175 | 48W | 2 | 112 105 |
| 6 | BXO – 6 | -22 | 62E | 67 | 60E | 6 | 118 115 |
| 7 | ? – 3 | -23 | 85E | 44 | 83E | - | 119 115 120 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.