Omicron Draconis is a lovely binocular double with a colour contrast, an orange primary and blue companion: 4.7, 7.5. The position angle of the companion is 324º with a separation of 34.6".

The binary is in the same field of view as 39 Draconis: binoculars

Just west of omicron one degree and slightly north is a faint system whose two brightest components are both red dwarfs visible in small telescopes.
     The system is known as Struve 2398 and is one of the closest binaries at a distance of 11.3 light years: 8.9, 9.7, 170º and 13.6".
     Burnham has a finder's chart (p. 869).