Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 June 1998
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)
- 9
- Number of spots (f)
- 43
- Relative number (R)
- 133
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19980630.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 13 | 17 | 19W | 82 | 21W | 10 | 116 205 |
| 2 | CRO – 7 | 25 | 48E | 15 | 46E | 11 | 125 222 |
| 3 | ? – 1 | 16 | 85E | 338 | 83E | ? | 128 225 |
| 4 | HA – 3 | -23 | 08W | 71 | 10W | 3.5 | 117 225 |
| 5 | BXO – 4 | -25 | 13E | 50 | 11E | 4.5 | 120 225 |
| 6 | HS – 1 | -15 | 20E | 43 | 18E | 4 | 121 228 |
| 7 | HA – 3 | -26 | 47E | 16 | 45E | 2 | 124 225 |
| 8 | CAI – 10 | -23 | 54E | 9 | 52E | 15 | 126 228 |
| 9 | ? – 1 | -21 | 79E | 344 | 77E | ? | 129 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.