Daily Sunspot Evaluation
Observation Sheet Monday, 28 June 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)
- 3
- Number of spots (f)
- 16
- Relative number (R)
- 46
- Observer
- TG
- Reading
- all checks consistent
- File
- 20040628.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRI – 10 | 9 | 22W | 340 | 25W | -8 | 119 |
| 2 | HS – 3 | 9 | 68E | 250 | 65E | 7 | 122 |
| 3 | BXO – 3 | -9 | 64E | 254 | 61E | 4 | 121 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.