Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 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)
- 4
- Number of spots (f)
- 24
- Relative number (R)
- 64
- Observer
- TA
- Reading
- all checks consistent
- File
- 19980616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRI – 14 | 34 | 00 | 249 | 03W | 4.5 | 104-105 |
| 2 | HS – 2 | 17 | 35E | 214 | 32E | 2.5 | 104-105 |
| 3 | AX – 7 | -21 | 13E | 236 | 40E | 1.5 | 103-104 |
| 4 | HA – 1 | -28 | 73E | 176 | 70E | 2 | 112-110 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.