Monograph of the central parts of the nebula of Orion (R.A. 5h 28m 24s.O, N.P.D. 95⁰29℗ʹ10℗ʺ.9, 1860.0)
By: by Edward S. Holde
Series: Washington astronomical observations for 1878 -- appendix
Publisher: G.P.O.
Published: 1882
Place of publication: Washington
Subjects: Orion Nebul