Daily Sunspot Evaluation
Observation Sheet Thursday, 21 September 1995
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)
- 2
- Number of spots (f)
- 13
- Relative number (R)
- 33
- Observer
- TA
- Reading
- all checks consistent
- File
- 19950921.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAG – 12 | 8 | 54E | 59 | 51E | 6 | 83 |
| 2 | HA – 1 | 3 | 64E | 49 | 61E | 1 | 82 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.