Daily Sunspot Evaluation
Observation Sheet Friday, 19 May 1989
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)
- 15
- Number of spots (f)
- 106
- Relative number (R)
- 256
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 24 | 72W | 156 | 75W | 5 | |
| 2 | DAI – 8 | 8 | 60W | 144 | 63W | 8 | |
| 3 | EAI – 14 | 17 | 32W | 116 | 35W | 14 | |
| 4 | BRI – 6 | 17 | 18W | 102 | 21W | 6 | |
| 5 | EHI – 26 | 16 | 04W | 88 | 07W | 11 | |
| 6 | CAI – 15 | 22 | 00 | 84 | 03W | 8 | |
| 7 | CAI – 9 | 13 | 12E | 72 | 09E | 5.5 | |
| 8 | HS – 1 | -19 | 71W | 155 | 74W | 2 | |
| 9 | AR – 1 | -10 | 39W | 123 | 42W | 0.5 | |
| 10 | AX – 1 | -12 | 09E | 75 | 06E | - | |
| 11 | BRI – 8 | -18 | 13E | 71 | 10E | 5 | |
| 12 | AR – 2 | -19 | 22E | 62 | 19E | 0.5 | |
| 13 | HS – 1 | -27 | 27E | 57 | 24E | 2 | 2 |
| 14 | HA – 2 | -18 | 41E | 43 | 38E | 2.5 | |
| 15 | DAI – 10 | -21 | 55E | 29 | 52E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.