Daily Sunspot Evaluation
Observation Sheet Sunday, 26 February 1989
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)
- 11
- Number of spots (f)
- 114
- Relative number (R)
- 224
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19890226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 22 | 17 | 54W | 139 | 55W | 13.0 | 93 |
| 2 | BXO – 4 | 29 | 31W | 116 | 32W | 3.0 | 101 |
| 3 | DAI – 11 | 15 | 30W | 115 | 31W | 8.0 | 104 |
| 4 | BXO – 5 | 37 | 36E | 49 | 35E | 10.5 | 106 |
| 5 | EAI – 17 | 11 | 37E | 48 | 36E | 14.0 | 112 |
| 6 | AX – 3 | 17 | 44E | 41 | 43E | 1.5 | 112 |
| 7 | ? – 6 | -12 | 81W | 166 | 82W | 7.0 | 112 |
| 8 | AX – 1 | -13 | 55W | 140 | 56W | - | 112 |
| 9 | CAI – 12 | -9 | 17W | 102 | 18W | 9.0 | 112 |
| 10 | BXI – 14 | -25 | 18E | 66 | 18E | 10.0 | 112 |
| 11 | BRI – 19 | -20 | 38E | 47 | 37E | 9.0 | 112 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.