Daily Sunspot Evaluation
Observation Sheet Monday, 16 March 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)
- 58
- Relative number (R)
- 88
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19980316.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 13 | -41 | 35W | 59 | 39W | 15 | 56 |
| 2 | EKC – 44 | -22 | 09W | 31 | 09W | 13 | 49 |
| 3 | HS – 1 | -17 | 03E | 21 | 01E | 2.5 | 48 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.