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Canis Minor, The Small Dog Constellation

Canis Minor (Pronounciation:Can-iss Mine-nore, Abbrev:CMi, Latin:Canis Minoris) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Canis Minor takes up 183.367 sq. degrees of the night sky which equates to 0.44% of the night sky. The constellation gets its name as it name means The Small Dog . The constellation is one of the original constellations that was devised by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. and 168 A.D.

Canis Minor is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Canis Minor is a northern hemispheric constellation which means it can't be seen easily or at all from the southern hemisphere.

The brightest star in Canis Minor is Procyon. There are 3 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. There is a dedicated page for exoplanets in Canis Minor. For a list of named stars, that is stars that don't start HD or HIP, please visit Canis Minor Star List Page.

Canis Minor Star and Deep Space Object Count

The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Canis Minor is 466. The number of stars that are of magnitude 6.0 or lower in the constellation is 25. The number of stars in the constellation that make up the outline is 2.

There are no deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.

Stars of Interest

The nearest star to Earth is Procyon B which is roughly about 11.41 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HD 66141 which is about 254.02 Light Years. The furthest star that can be located in the constellation is HIP 38124 which is located about 326163.3 Light Years away from the Sun. The furthest figure is derived from either the 1997 or 2007 Hipparcos star catalogue parallax figure and it has been known to produce distances that are wrong.

The dimmest star that can be seen in Canis Minor with the naked eye is HD 57608. The dim star has an apparent magnitude of 5.99. The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan

The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.

Although the Greeks only refer to one dog, the Romans added another dog to the tale.

There are no major meteor showers that radiate from within this constellation.

Canis Minor Facts


NameCanis Minor
AbbreviationCMi
Is a Zodiac Sign No
Brightest StarProcyon
Area183.367 sq. deg.
Percentage of Night Sky0.44%
Size Position71st
Hemisphere Northern
Site Exoplanet Count3
Meteor Shower Count0
Nearest StarProcyon B
Nearest Star with Exoplanet(s)HD 66141
Dimmest StarHD 57608
Furthest StarHIP 38124
Bright Star Count25
Hipparcos Star Count466
Main Star Count2
Messier Deep Space Object Count0
*Non-Messier Deep Space Object Count0
Bordering / Neighbouring / Surrounding ConstellationsGemini
Monoceros
Hydra
Cancer

*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.


Canis Minor Constellation Map


Canis Minor Constellation Star Map

The map was generated using Night Vision, an awesome free application by Brian Simpson.



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