Daily Sunspot Evaluation
Observation Sheet Monday, 2 March 1987
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)
- 5
- Relative number (R)
- 25
- Observer
- TS
- Reading
- counts consistent, some coordinates doubtful
- File
- 19870302.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HSX – 2 | 38 | 08E | 341 ⚠ | 08E | 1 | |
| 2 | BRO – 3 | -32 | 25W | 344 ⚠ | 25W | 3.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.