Max Wolf and Joh. Palisa, ‘Photographische Sternkarten (October 15, 1901)’, October 15-1901, National Gallery of Art, Washington, D.C.
image: 27.8 x 21.9 cm (10 15/16 x 8 5/8 in.)  sheet: 36 x 25.3 cm (14 3/16 x 9 15/16 in.)