Jump to content
Main menu
Main menu
move to sidebar
hide
Navigation
Main page
Recent changes
Random page
Help about MediaWiki
Special pages
Niidae Wiki
Search
Search
Appearance
Create account
Log in
Personal tools
Create account
Log in
Pages for logged out editors
learn more
Contributions
Talk
Editing
Canis Minor
(section)
Page
Discussion
English
Read
Edit
View history
Tools
Tools
move to sidebar
hide
Actions
Read
Edit
View history
General
What links here
Related changes
Page information
Appearance
move to sidebar
hide
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
== Characteristics == Lying directly south of Gemini's bright stars [[Castor (star)|Castor]] and [[Pollux (star)|Pollux]],<ref name="sky">{{cite book|last=Newell|first=W.J.|title=The Australian Sky|publisher=Jacaranda Press|location=Brisbane, Queensland |year=1970|orig-year=1965|page=53 | isbn = 978-0-7016-0037-2 |oclc = 7053675}} (invalid isbn)</ref> Canis Minor is a small constellation bordered by [[Monoceros]] to the south, Gemini to the north, [[Cancer (constellation)|Cancer]] to the northeast, and [[Hydra (constellation)|Hydra]] to the east. It does not border [[Canis Major]]; Monoceros is in between the two. Covering 183 square degrees, Canis Minor ranks seventy-first of the 88 constellations in size. It appears prominently in the southern sky during the [[Northern Hemisphere]]'s winter.<ref name="garfinkle1997">{{cite book | first=Robert A. |last=Garfinkle | title=Star-hopping: Your Visa to Viewing the Universe | publisher=Cambridge University Press|location=Cambridge, England | year=1997 | pages=78β81 | isbn = 978-0-521-59889-7 }}</ref> The constellation boundaries, as set by Belgian astronomer [[EugΓ¨ne Delporte]] in 1930, are defined by a polygon of 14 sides. In the [[equatorial coordinate system]], the [[right ascension]] coordinates of these borders lie between {{RA|07|06.4}} and {{RA|08|11.4}}, while the [[declination]] coordinates are between {{dec|13.22}} and {{dec|β0.36}}.<ref name="boundary">{{cite journal | title=Canis Minor, Constellation Boundary | journal=The Constellations | url=https://www.iau.org/public/themes/constellations/#cmi | access-date=25 May 2012 }}</ref> Most visible in the evening sky from January to March,<ref>{{cite book |last1=Ellyard |first1=David |url=https://books.google.com/books?id=5Gn0ivM4EK0C&pg=PA4 |title=The Southern Sky Guide |last2=Tirion |first2=Wil |publisher=Cambridge University Press |year=2008 |isbn=978-0-521-71405-1 |edition=3rd |location=Port Melbourne, Victoria |page=4 |authorlink2=Wil Tirion |orig-year=1993}}</ref> Canis Minor is most prominent at 10 p.m. during mid-February.<ref>{{cite book |title = The Monthly Sky Guide |last1 = Ridpath |first1 = Ian |last2 = Tirion |first2 = Wil |date = 13 November 2006 |edition = 7th |publisher = Cambridge University Press |location = Cambridge, England |pages = 21β22 |isbn = 978-0-521-68435-4}}</ref> It is then seen earlier in the evening until July, when it is only visible after sunset before setting itself, and rising in the morning sky before dawn.<ref>{{cite web|url=http://rasnz.org.nz/Stars/Canis.htm|title=Canis Major and Canis Minor, 2 Constellations for February|last=Rodmell|first=Paul|publisher=Royal Astronomical Society of New Zealand|access-date=17 January 2013|url-status=dead|archive-url=https://web.archive.org/web/20130114221231/http://www.rasnz.org.nz/Stars/Canis.htm|archive-date=14 January 2013}}</ref> The constellation's three-letter abbreviation, as adopted by the [[International Astronomical Union]] in 1922, is "CMi".<ref name="pa30_469">{{cite journal | last=Russell | first=Henry Norris |authorlink = Henry Norris Russell | title=The New International Symbols for the Constellations | journal=[[Popular Astronomy (US magazine)|Popular Astronomy]] | volume=30 | pages=469β71 |bibcode=1922PA.....30..469R | year=1922}}</ref>
Summary:
Please note that all contributions to Niidae Wiki may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here.
You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see
Encyclopedia:Copyrights
for details).
Do not submit copyrighted work without permission!
Cancel
Editing help
(opens in new window)
Search
Search
Editing
Canis Minor
(section)
Add topic