Atlas Stellarum Vol 1-3 and Vol S (southern sky) by Hans Vehrenberg.
Photographic atlases with limiting mag ~14.5. Black stars on white
background. Epoch 1950. Purchased circa 1985. Absolute mint condition.
Binder sizes: 16 3/8" x 15", star fields 12 7/8" x 12 7/8".
Vols 1-3 cover northern sky in 303 charts down to -30 Dec.
Vol S covers southern sky in 160 charts from -20 to -90 S Dec.
Charts #268-303 are contained in both northern and southern sky sets.
Transparent coordinate grid overlays included.
Nebulae, clusters, and bright stars are overexposed. True value of
charts lies in their faint limiting magnitude.
Strongly prefer not to break up the set.
Best offer over $350
Thanks for looking,