Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 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)
- 3
- Number of spots (f)
- 21
- Relative number (R)
- 51
- Observer
- MB
- Reading
- all checks consistent
- File
- 19940315.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 4 | 6 | 03E | 238 | 01E | 01 | 45 |
| 2 | CAO – 16 | 48 | 17E | 224 | 15E | 0.9 | 41 |
| 3 | ? – 1 | 18 | 81E | 160 | 79E | - | 44 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.