Daily Sunspot Evaluation
Observation Sheet Sunday, 28 March 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)
- 6
- Number of spots (f)
- 16
- Relative number (R)
- 76
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040328.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 16 | 49W | 142 | 50W | ~1.5 | 44 |
| 2 | DKC – 9 | 13 | 40E | 55 | 37E | 9 | 52 |
| 3 | HS – 1 | -1 | 58W | 153 | 61W | ~1.5 | 42 |
| 4 | AX – 1 | -14 | 14E | 81 | 11E | - | 51 |
| 5 | HS – 1 | -4 | 33E | 62 | 30E | ≥2 | 46 |
| 6 | HA – 3 | -16 | 48E | 47 | 45E | 3 | 53 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.