Daily Sunspot Evaluation
Observation Sheet Sunday, 1 March 1992
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)
- 10
- Number of spots (f)
- 50
- Relative number (R)
- 150
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920301.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 2 | 8 | 73W | 54 | 96W | 6 | 81 |
| 2 | CKO – 14 | 7 | 44W | 25 | 47W | 15 | 86 |
| 3 | CAO – 4 | 15 | 25W | 6 | 28W | 6 | 88 |
| 4 | AX – 5 | 10 | 11W | 352 | 14W | 25 | 90 |
| 5 | HS – 1 | 19 | 04W | 345 | 07W | 15 | 93 |
| 6 | AX – 5 | -15 | 61W | 42 | 64W | 15 | 105 |
| 7 | HA – 3 | -4 | 55W | 26 ⚠ | 58W | 3.5 | 80 |
| 8 | CAI – 10 | -11 | 52W | 33 | 55W | 9 | 96 |
| 9 | HS – 4 | -11 | 36W | 17 | 39W | 4 | 85 |
| 10 | AX – 2 | -16 | 02W | 343 | 05W | 1 | 82 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.