Observing and measuring visual double stars
Observing and measuring visual double stars
edited by Bob Argyle
- London Springer-Verlag 2004
- xii, 326p.
- Patrick Moore's practical astronomy series .
1-85233-558-0
Double stars-observer's manual
524.38 / OBS
1-85233-558-0
Double stars-observer's manual
524.38 / OBS