Daily Sunspot Evaluation
Observation Sheet Monday, 15 March 1999
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)
- 68
- Relative number (R)
- 98
- Observer
- ıH
- Reading
- all checks consistent
- File
- 19990315.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 47 | 23 | 15W | 275 | 17W | 18 | |
| 2 | EHC – 15 | 16 | 22E | 238 | 20E | 12 | |
| 3 | CSI – 6 | -24 | 02E | 258 | 00 | 4 | D50-6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.