Daily Sunspot Evaluation
Observation Sheet Monday, 4 May 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)
- 3
- Number of spots (f)
- 75
- Relative number (R)
- 105
- Observer
- HE
- Reading
- all checks consistent
- File
- 19980504.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FAC – 62 | 26 | 00 | 97 | 02W | 15.5 | 678 |
| 2 | HK – 12 | -17 | 38W | 135 | 40W | 5.5 | 775 |
| 3 | HA – 1 | -17 | 56E | 41 | 54E | 1 | 820 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.