Daily Sunspot Evaluation
Observation Sheet Monday, 1 May 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)
- 7
- Number of spots (f)
- 41
- Relative number (R)
- 111
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890501.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 34 | 74W | 36 | 76W | 2 | |
| 2 | BXO – 3 | 27 | 29W | 351 | 31W | 4 | |
| 3 | DKC – 11 | 29 | 58E | 264 | 56E | 10.5 | |
| 4 | CAI – 6 | -20 | 75W | 37 | 77W | 16 | |
| 5 | AR – 1 | -40 | 41W | 3 | 43W | 0.75 | |
| 6 | DKI – 17 | -19 | 18E | 304 | 16E | 11.5 | |
| 7 | ? – 1 | -22 | 84E | 238 | 82E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.