Harold Corwin adds that on the ESO IIIa-F film this nebula is the brightest patch of a huge supernova remnant (Gum Nebula) whose delicate whisps cover the field. A relatively bright star is immersed in N2736 (mentioned by Herschel).
Harold Corwin describes this nebula as being the brightest portion of a large supernova remnant (Gum Nebula) whose wispy structures are visible in the field. A bright star is situated within N2736, which was previously identified by Herschel.