Episode 2 of 3
Independent Detection
- When
- 1885-08-20
- Where
- Andromeda Galaxy
Ernst Hartwig independently detected the supernova at Dorpat Observatory, verifying it was not reflected moonlight.
Ernst Hartwig detected the supernova on August 20, 1885, at Dorpat Observatory in Estonia. He communicated this discovery via telegram on August 31, 1885, after verifying in ideal circumstances that the feature was not caused by reflected moonlight.
Sources
- SN 1885A Wikipedia, revision of 2026-07-14
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.