Daily Sunspot Evaluation
Observation Sheet Monday, 6 May 1991
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)
- 7
- Number of spots (f)
- 46
- Relative number (R)
- 116
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19910506.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 7 | 8 | 54W | 35 | 57W | 6° | 196 |
| 2 | ? – 3 | 30 | 71E | 270 | 68E | 10° | 208 |
| 3 | ? – 2 | 7 | 80E | 261 | 77E | 7° | 209 |
| 4 | HA – 3 | -22 | 40W | 21 | 43W | 2° | 193 |
| 5 | DKC – 25 | -10 | 09W | 350 | 12W | 7.5 | 204 |
| 6 | HA – 5 | -11 | 00° | 341 | 03W | 2.5 | 205 |
| 7 | ? – 1 | -27 | 84W | 65 | 87W | 3° | 210 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.