Recorded observations
2,847
+12.4%since last ledger
Active correspondents
184
+8.1%this quarter
Confirmed dispersions
96.7%
+2.3%of examined rays
Open matters
27
−4.6%awaiting report
Recent experiments
Michaelmas ledger · 6 entries
| EXPERIMENT | REGISTER | PRINCIPAL BAND | OBSERVED YIELD | STATUS | |
|---|---|---|---|---|---|
| Prism at northern aperture | OPT–1704–118 | Red | 84.2 rays / min | Resolved | |
| Refraction through crown glass | OPT–1704–117 | Orange | 71.8 rays / min | In review | |
| Paper screen, oblique cast | OPT–1704–116 | Yellow | 66.5 rays / min | Recorded | |
| Double prism comparison | OPT–1704–115 | Green | 59.4 rays / min | Resolved | |
| Blue ray, diminished opening | OPT–1704–114 | Blue | 52.1 rays / min | In review | |
| Indigo interval notation | OPT–1704–113 | Indigo | 41.7 rays / min | Recorded |