Daily Sunspot Evaluation
Observation Sheet Tuesday, 27 July 1993
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)
- 7
- Number of spots (f)
- 34
- Relative number (R)
- 104
- Observer
- TA
- Reading
- all checks consistent
- File
- 19930727.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 14 | 26E | 20 | 24E | 1.5 | 191 |
| 2 | HA – 1 | 7 | 66E | 340 | 64E | 1 | 193 |
| 3 | HA – 1 | -12 | 60W | 106 | 62W | 1.5 | 187 |
| 4 | AX – 2 | -11 | 30W | 76 | 32W | 0.5 | 190 |
| 5 | AX – 1 | -11 | 04E | 42 | 02E | - | 195 |
| 6 | BXO – 3 | -8 | 05E | 41 | 03E | 2 | 194 |
| 7 | DAI – 24 | -12 | 17E | 29 | 15E | 6 | 192 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.