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Two Probably Variable Nebulae
1892
Astronomical Notes - Astronomische Nachrichten
Mr. Denning has called attention to a nebula which he discovered November 7, 1890, and gives the following position 1890.0 a = 3h56" d = +69"29'.
doi:10.1002/asna.18921300103
fatcat:knq2nwzve5gljospt5oiq4zyuu