- In J.Herschel's publication above, 🜨 are globular clusters, and Δ are objects from Dunlop's Catalogue. About Dunlop's observations, Herschel remarked that he couldn't find many of his objects, blaming lack of light in Dunlop's instrument for him "setting down nebulæ where none exist" #astrohistoryMar 20, 2025 09:59