Daily Sunspot Evaluation
Observation Sheet Thursday, 23 June 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)
- 9
- Relative number (R)
- 39
- Observer
- TG
- Reading
- all checks consistent
- File
- 20050623.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 18 | 15E | 234 | 10E | ~2.5 | |
| 2 | DRI – 6 | -8 | 06W | 253 | 09W | 3.5 | |
| 3 | AX – 1 | -13 | 03E | 249 | 00 | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.