Daily Sunspot Evaluation
Observation Sheet Thursday, 27 May 2004
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)
- 2
- Number of spots (f)
- 37
- Relative number (R)
- 57
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20040527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 17 | 70W | 92 | 73W | ~2 | 88 |
| 2 | FAC – 36 | -10 | 20W | 42 | 23W | ~15.5 | 91 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.