Omicron Capricorni
DSS image of Omicron Capricorni
Overlaid DSS image of Omicron Capricorni, 60' x 60' with north at top and west to the right

Aladin viewer for the region around Omicron Capricorni
ο Cap, 12 Cap
WDS J20299-1835AB

Type  Binary Star
Magnitude  5.9
Right Ascension  20h 29' 54.0"  (2000)
Declination  18° 34' 60" S
Constellation  Capricornus
Description  Binary 5.9/6.7 22"
Observing Notes

Andrew Cooper
Nov 9, 2020    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 136x
Seeing: 6 Transparency: 6 Moon: 0%

οCap is a fine binary with a pair of white stars showing about one magnitude difference, οCap A is a 5.9 magnitude while οCap B is 6.7 magnitude about 22" to the southwest.

οCap is the southern member of the ρCap trio, three bright stars within a one degree area two of which are nice binaries, with ρCap 48' northwest and πCap 43' northwest.

Gaia DR2 data shows a close match in both parallax and proper motion data indicating a binary pair.

Andrew Cooper
Oct 22, 2016    Kaʻohe, Mauna Kea, HI (map)
51cm f/4 Newtonian, Obsession #004 @ 169x
Seeing: 7 Transparency: 6 Moon: 0%

A very nice double star, well matched blue-white pair with about 20" separation
Other Data Sources for Omicron Capricorni
Associated objects for Omicron Capricorni
Nearby objects for Omicron Capricorni
Credits...

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page

Omicron Capricorni