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Capricornus Constellation

Capricornus (Pronounciation:Cap-re-corn-us, Abbrev:Cap, Latin:Capricorni) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Capricornus takes up 413.947 sq. degrees of the night sky which equates to 1% of the night sky. The constellation gets its name as it name means The Sea Goat . 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.

Capricornus is a member constellation of the Zodiac grouping, a group of 12 star signs that astrologers use to predict someones future based on their date of birth and which constellation appeared when the Sun set. The Zodiac year may be divided up equally between the twelve signs but when they appear in the night sky no longer conforms to the Zodiac calendar. Capricornus is an equatorial constellation that can be seen by countries nearest the Equator.

The brightest star in Capricornus is Deneb Algedi. There are 6 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site.

Capricornus Star and Deep Space Object Count

The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Capricornus is 964. The number of stars that are of magnitude 6.0 or lower in the constellation is 48. The number of stars in the constellation that make up the outline is 13.

There are 1 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 HIP 103039 which is roughly about 18.63 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HD 204941 which is about 87.75 Light Years. The furthest star that can be located in the constellation is HIP 107037 which is located about 65232.67 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 Capricornus with the naked eye is 47 Capricorni. The dim star has an apparent magnitude of 6. 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.

Constellation Legend

Usually referred to as Amalthea, the goat that suckled the infant Zeus when his mother Rhea saved her son from Cronos, his father. Another story has Pan, the goat god who was attacked by Typhon, the sea monster. Pan dived into the water, the lower part turned into a fish but the top part remained a goat.

Meteor Showers

There are 15 Meteor Showers that occur during the year within this constellation based on information gathered from Adam Mickiewicz University (Poland). The ones listed as the ones I've been able to find a date range for. For others if you have the time, you can visit the AMU site, obtains the SL value then use IMO tables to calculate the date. A lot of the Meteor Showers are weak and you need to do a lot of stargazing to spot them.

NameActivityPeak ActivityClosest Star
Chi Capricornids29 Jan- 28 Feb13-FebChi Capricorni
Alpha CapricornidsJul 03 - Aug 15 Jul 30Algiedi Prima

Capricornus Facts

Is a Zodiac Sign Yes
Brightest StarDeneb Algedi
Area413.947 sq. deg.
Percentage of Night Sky1%
Size Position40th
Hemisphere Equatorial
Site Exoplanet Count6
Meteor Shower Count15
Nearest StarHIP 103039
Nearest Star with Exoplanet(s)HD 204941
Dimmest Star47 Capricorni
Furthest StarHIP 107037
Bright Star Count48
Hipparcos Star Count964
Main Star Count13
Messier Deep Space Object Count1
*Non-Messier Deep Space Object Count0
Bordering / Neighbouring / Surrounding ConstellationsAquarius
Piscis Austrinus

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

Capricornus Constellation Map

Capricornus Constellation Star Map

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

List of Stars with Exoplanets in Capricornus

StarDistance (Lt. Yrs.)Exoplanet CountDeclinationRight Ascension
HD 202206147.852-20d 47` 20.121h 14m 57.79
HD 204313154.513-21d 43` 32.121h 28m 12.18
HD 20494187.751-20d 57` 25.621h 32m 23.68

List of Named Stars in Capricornus without Extrasolar Planets

As there's so many stars in the cosmos, not all the stars are listed here. The site has lots of stars not listed so if your star isn't listed and you know the Henry Draper or Hipparcos ID, type https://www.universeguide.com/star/ then followed by the HIPNNNNNN or HDNNNN where NNNNN is the number part of the name. The stars that I do list have either a traditional name, a bayer or other classification name.

StarDistance (Lt. Yrs.)DeclinationRight Ascension
17 Capricorni263.67-21d 30` 50.420h 46m 09.97
19 Capricorni364.84-17d 55` 22.320h 54m 47.85
20 Capricorni535.57-19d 02` 06.820h 59m 36.13
21 Capricorni523.54-17d 31` 51.121h 00m 51.78
24 Capricorni456.17-25d 00` 20.721h 07m 07.69
27 Capricorni168.30-20d 33` 22.821h 09m 32.93
29 Capricorni611.94-15d 10` 17.421h 15m 44.83
3 Capricorni443.16-12d 20` 13.520h 16m 22.80
30 Capricorni533.82-17d 59` 06.521h 17m 57.28
31 Capricorni312.42-17d 27` 44.221h 18m 15.64
33 Capricorni239.30-20d 51` 05.621h 24m 09.60
35 Capricorni560.42-21d 11` 46.121h 27m 14.83
36 Capricorni171.12-21d 48` 25.821h 28m 43.32
37 Capricorni88.39-20d 05` 03.821h 34m 51.07
4 Capricorni316.36-21d 48` 35.620h 18m 01.38
41 Capricorni230.67-23d 15` 45.521h 42m 00.64
42 Capricorni108.40-14d 02` 48.721h 41m 32.93
44 Capricorni435.47-14d 23` 59.121h 43m 04.40
45 Capricorni172.85-14d 44` 57.821h 44m 00.98
46 Capricorni791.66-09d 04` 56.721h 45m 00.25
47 Capricorni1186.05-09d 16` 33.421h 46m 16.26
50 Capricorni205.13-11d 41` 51.121h 46m 42.07
AD Capricorni1006.68-16d 00` 21.021h 39m 48.89
Algiedi Prima569.22-12d 30` 29.620h 17m 38.86
Algiedi Secunda105.83-12d 32` 41.520h 18m 03.22
Alshat253.23-12d 45` 32.620h 20m 39.81
Armus161.47-19d 51` 17.821h 04m 24.32
AT Capricorni4467.99-21d 07` 34.620h 29m 36.85
BE Capricorni2329.74-08d 50` 32.420h 11m 10.08
Beta Capricorni B339.40-14d 47` 05.620h 20m 46.52
BW Capricorni1052.14-21d 10` 58.521h 58m 43.78
Chi Capricorni179.80-21d 11` 36.721h 08m 33.61
Dabih326.82-14d 46` 53.020h 21m 00.65
Deneb Algedi38.70-16d 07` 35.621h 47m 02.29
Iota Capricorni196.72-16d 50` 04.421h 22m 14.78
Kappa Capricorni294.11-18d 51` 58.721h 42m 39.42
Kastra1055.54-19d 27` 57.621h 37m 04.82
Lambda Capricorni281.66-11d 21` 57.421h 46m 32.08
Mu Capricorni86.81-13d 33` 06.521h 53m 17.58
Nashira157.04-16d 39` 44.121h 40m 05.34
Okul545.42-18d 12` 42.120h 27m 19.20
Omega Capricorni842.80-26d 55` 08.920h 51m 49.30
Omicron Capricorni-18d 35` 10.220h 29m 52.58
Omicron Capricorni B216.43-18d 34` 58.720h 29m 53.89
Phi Capricorni643.32-20d 39` 06.121h 15m 37.89
Prima Giedi2588.60-63d 08` 00.716h 34m 30.90
Psi Capricorni47.87-25d 16` 13.920h 46m 05.77
Rho Capricorni98.72-17d 48` 49.220h 28m 51.62
RS Capricorni2588.60-16d 25` 21.221h 07m 15.43
Sigma Capricorni1120.84-19d 07` 06.620h 19m 23.60
Tau1 Capricorni844.98-15d 08` 50.020h 37m 21.16
Tau2 Capricorni1136.46-14d 57` 17.020h 39m 16.32
Theta Capricorni162.19-17d 13` 57.821h 05m 56.78
Upsilon Capricorni580.36-18d 08` 19.020h 40m 02.96
Xi1 Capricorni469.30-12d 23` 32.520h 11m 57.90
Xi2 Capricorni90.35-12d 37` 01.320h 12m 25.76
YZ Capricorni793.58-15d 07` 01.021h 19m 32.42
Zeta Capricorni385.54-22d 24` 41.021h 26m 40.03

Objects of Interest (Galaxies, Nebulas, Supernovas, etc) in Capricornus

NameTypeDistanceDeclinationRight Ascension
M30 Globular ClusterGlobular Cluster27.8-31-23:1121h 40m 4

Capricornus Constellation's Star Breakdown

Type Breakdown

KLight Orange Star 3,700 - 5,200k342
FYellow-White 6,000 - 7,500k194
GYellow 5,200 - 6,000k184
AWhite 7,500 - 10,000k136
BBlue-White 10,500 - 30,000k35
MRed Dwarf Star <3,700k35

Size Breakdown

IIINormal Giant363
VMain Sequence343
IbLess Luminous Supergiant3
IIBright Giant2
DDwarf Star1

Breakdown of Carbon Stars by Type

CC-Type Carbon Star3

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