Plate III
Wolf’s Classes of Nebulae
(Copied from the Königstuhl [Heidelberg] Publications)
Plate IV
Enlarged Negative of Field III
Center at Center at α=11ᴴ 4ᵐ, δ=+29°30′
For identification of lettered stars [see footnote 7 page 5].
Footnotes:
Plate III
Wolf’s Classes of Nebulae
(Copied from the Königstuhl [Heidelberg] Publications)
Plate IV
Enlarged Negative of Field III
Center at Center at α=11ᴴ 4ᵐ, δ=+29°30′
For identification of lettered stars [see footnote 7 page 5].
Footnotes: