Daily Sunspot Evaluation
Observation Sheet Saturday, 27 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)
- 2
- Number of spots (f)
- 3
- Relative number (R)
- 23
- Observer
- TA
- Reading
- all checks consistent
- File
- 19990327.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 29 | 09E | 93 | 06E | 2 | |
| 2 | CSO – 2 | 17 | 24E | 78 | 21E | 5.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.