Daily Sunspot Evaluation
Observation Sheet Friday, 6 May 1988
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)
- 15
- Relative number (R)
- 75
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880506.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 7 | 25 | 21E | 13 | 18E | 7.5 | 89 |
| 2 | HA – 1 | 17 | 63E | 33 ⚠ | 60E | 2 | 91 |
| 3 | HS – 1 | 16 | 21E | 13 | 18E | 0.75 | 88 |
| 4 | HK – 3 | -23 | 75W | 109 | 78W | 4.5 | 84 |
| 5 | AX – 1 | -18 | 76W | 110 | 79W | 0.5 | 83 |
| 6 | HA – 2 | -28 | 60E | 33 ⚠ | 63W | 2.25 | 92 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.