Ephemeride desEnckeschen Kometen

1918 Astronomical Notes - Astronomische Nachrichten  
A u f n a h m e n a n d e r U n i v e r s i t a t s s t e r n w a r t e Wien. Planet 1918 M.E.Z. Position 1918.0 17 Thetis 18 9h48m I I h 1 5 m 3 0~ +11"59(9 57 Mnemosyne )) 5 2
doi:10.1002/asna.19182061504 fatcat:a5pqbvkxozak7cgeps7u64umqa