1. 'Novae, supernovae, or something else?' – (super-)nova highlights from Hoffmann & Vogt are quite certainly comets (ad 668 and 891). Issue 1 (4th November 2020) Authors: Neuhäuser, Ralph; Neuhäuser, Dagmar L; Chapman, Jesse Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 501:Issue 1(2021) Page Start: L1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Comparison of telescopic and naked‐eye sunspots for the very small spots on February 15, 1900 and January 30, 1911. Issue 4 (2nd July 2020) Authors: Neuhäuser, Ralph; Geymeier, Michael; Arlt, Rainer; Chapman, Jesse Journal: Astronomische Nachrichten Issue: Volume 341:Issue 4(2020) Page Start: 366 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗