O²-CMa (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From Cambridge , O²-CMa will become visible at around 20:09 (EDT), 22° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:41.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

Name O²-CMa

Object type Star

Other names

O²-CMa
Omicron2 Canis Majoris
24-CMa
24 Canis Majoris
HR 2653^[1]
HD 53138
HIP 33977^[3]
TYC 6523-3722-1^[2]
Gaia EDR3- 2921635736292220800^[4]

Position

Right ascension:	07^h03^m01^s ^[4]
Declination:	−23°49'59" ^[4]
Constellation:	Canis Major
Magnitude:	3.01 (V) ^[2] 2.91 (BT) ^[2] 3.00 (VT) ^[2] 3.04 (G) ^[4] 3.14 (BP) ^[4] 3.04 (RP) ^[4]
B-V Color (mag):	-0.08
Proper motion (speed):	4.0 mas/yr^[1]
Proper motion (pos ang):	340.7°

Sources

^[1]	Bright Star Catalogue, 5th Revised Ed. (Hoffleit et al. 1991)

^[2]	The Tycho-2 Catalogue (Hog et al. 2000)

^[3]	Hipparcos, the new reduction of the raw data (van Leeuwen 2007)

^[4]	Gaia EDR3 (Gaia Collaboration 2020)

Visibility from Cambridge

All times shown in Cambridge local time.

Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme

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Last updated: 29 Mar 2025, 19:15 UTC
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