Daily Sunspot Evaluation
Observation Sheet Saturday, 4 July 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)
- 10
- Number of spots (f)
- 58
- Relative number (R)
- 158
- Observer
- YK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 2 | 46 | 80W | 91 | 82W | 7 | 116 205 |
| 2 | AX – 3 | 28 | 00 | 11 | 02W | 2 | 115 222 |
| 3 | CAO – 12 | 17 | 86 | 333 | 35E | 12.5 | 128 225 |
| 4 | HA – 1 | -24 | 61W | 72 | 64W | 1 | 117 215 |
| 5 | CAI – 21 | -25 | 38W | 49 | 41W | 7 | 120 165 |
| 6 | HS – 1 | -15 | 33W | 44 | 36W | 1 | 121 118 |
| 7 | AX – 2 | -18 | 26W | 37 | 29W | 0.5 | 123 220 |
| 8 | BAO – 6 | -26 | 07W | 18 | 10W | 5.0 | 114 121 |
| 9 | CAI – 9 | -23 | 02W | 19 ⚠ | 05W | 8.5 | 126 223 |
| 10 | HS – 1 | -22 | 26E | 345 | 23E | 2.5 | 129 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.