Daily Sunspot Evaluation
Observation Sheet Thursday, 25 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)
- 94
- Relative number (R)
- 174
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 6 | 24 | 26E | 92 | 23E | ||
| 2 | E – 56 | 18 | 37E | 81 | 34E | ||
| 3 | J – 2 | 26 | 53E | 65 | 50E | ||
| 4 | B – 4 | -34 | 02E | 116 | 01W | ||
| 5 | D – 14 | -30 | 16W | 134 | 19W | ||
| 6 | B – 6 | -16 | 22W | 140 | 25W | ||
| 7 | B – 5 | -7 | 33W | 151 | 36W | ||
| 8 | J – 1 | 10 | 72W | 190 | 75W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.