Daily Sunspot Evaluation
Observation Sheet Tuesday, 17 May 1994
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)
- 5
- Number of spots (f)
- 21
- Relative number (R)
- 71
- Observer
- YK
- Reading
- all checks consistent
- File
- 19940517.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | 10 | 28W | 157 | 30W | 3.5 | 79 |
| 2 | DKO – 9 | 7 | 08E | 121 | 06E | 5.5 | 77 |
| 3 | BXO – 6 | 9 | 21E | 108 | 19E | 5.0 | 80 |
| 4 | ? – 1 | 7 | 77E | 52 | 75E | - | 81 |
| 5 | AK – 2 | -10 | 72W | 201 | 74W | 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.