Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 May 1978
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)
- 8
- Number of spots (f)
- 81
- Relative number (R)
- 161
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780530.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 24 | 21 | 14E | 38 | 11E | ||
| 2 | C – 8 | -23 | 28E | 24 | 25E | ||
| 3 | B – 3 | -17 | 08W | 60 | 11W | ||
| 4 | B – 2 | -17 | 26W | 78 | 29W | ||
| 5 | C – 9 | -25 | 62W | 114 | 65W | ||
| 6 | E – 20 | 17 | 32W | 84 | 35W | ||
| 7 | D – 12 | 21 | 39W | 91 | 42W | ||
| 8 | H – 3 | 25 | 13W | 65 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.