Daily Sunspot Evaluation
Observation Sheet Thursday, 31 March 1994
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)
- 13
- Relative number (R)
- 33
- Observer
- TA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19940331.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRO – 5 | -17 | 65W | 95 ⚠ | 67W | 5 | 55 |
| 2 | BKO – 8 | -16 | 02W | 22 ⚠ | 04W | 4.5 | 52 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.