Daily Sunspot Evaluation
Observation Sheet Monday, 27 July 1998
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)
- 5
- Number of spots (f)
- 32
- Relative number (R)
- 82
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19980727.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 5 | 29 | 60E | 6 | 43W | 7 | 150 |
| 2 | DKC – 17 | 31 | 14E | 52 | 11E | 6.5 | 153 |
| 3 | HA – 1 | 26 | 78E | 348 | 76E | 3 | 156 |
| 4 | SHC – 8 | -24 | 10E | 56 | 07E | 12 | 151 |
| 5 | AX – 1 | -23 | 26E | 40 | 27E | 157 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.