TY  - BOOK
AU  - O'Meara, S. J.
TI  - Deep-sky companions: the messier objects
SN  - 0 521 55332 6
PY  - 1998///
CY  - Cambridge
PB  - Cambridge University Press
KW  - astronomy
KW  - messier charles
KW  - nebulae
KW  - stars
ER  -