Test plate: eta Carinae Nebula (NGC 3372)

Plate number ADH 9352. Test image. Observer code: "MN". 30-minute exposure. Extent: 1 glass negative in envelope. Condition of original material: Stable. Author(s)/Creator(s): English. Scribe(s): Latin. Publisher(s): Left-to-Right. Editor(s): Unrestricted. Volume number: N/a. Original institution reference: GN01_2270.