Daily Sunspot Evaluation
Observation Sheet Thursday, 12 May 2005
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)
- 3
- Number of spots (f)
- 13
- Relative number (R)
- 43
- Observer
- MS
- Reading
- counts consistent, some coordinates doubtful
- File
- 20050512.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 5 | 12 | 26E | 56 | 24E | 24.5 | |
| 2 | DKC – 6 | -11 | 59W | 141 | 61W | 59 | |
| 3 | DKC – 2 | -13 | 2W | 94 ⚠ | 4W | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.