Daily Sunspot Evaluation
Observation Sheet Monday, 27 February 1984
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)
- 4
- Number of spots (f)
- 57
- Relative number (R)
- 97
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKC – 9 | 15 | 46°W | 113 | 49°W | 7° | 33 |
| 2 | AXX – 1 | 6 | 42W | 109 | 45W | - | 34 |
| 3 | DKC – 14 | 10 | 21W | 88 | 24W | 7 | 30 |
| 4 | EKI – 33 | -13 | 18E | 49 | 15E | 11 | 31 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.