Max Wolf and Joh. Palisa, ‘Photographische Sternkarten (July 6, 1904)’, July 6-1904, National Gallery of Art, Washington, D.C.
image: 27.8 x 22.9 cm (10 15/16 x 9 in.)  sheet: 36 x 25.4 cm (14 3/16 x 10 in.)