https://skychart.app/authors/ellis-marsden 2026-09-17T21:38:24.651Z Enodo Butterfly Ellis Marsden is a pen name, not a person: it signs the English edition of the SkyChart journal. Times, magnitudes and visibility are computed by SkyChart; the copy is reviewed before publication by astronomers who prefer to stay anonymous. https://skychart.app/logo-88x31.jpg https://skychart.app/favicon.ico All rights reserved 2026, SkyChart