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Pegasus, The Winged Horse Constellation

Pegasus (Pronounciation:Peg-a-sus, Abbrev:Peg, Latin:Pegasi) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Pegasus takes up 1120.794 sq. degrees of the night sky which equates to 2.72% of the night sky. The constellation gets its name as it name means The Winged Horse . 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.

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

The brightest star in Pegasus is Markab. There are 26 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. There is a dedicated page for exoplanets in Pegasus. The current largest star so far identified in the constellation of Pegasus is S Pegasi. For a list of named stars, that is stars that don't start HD or HIP, please visit Pegasus Star List Page.

Pegasus Star and Deep Space Object Count

The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Pegasus is 2689. The number of stars that are of magnitude 6.0 or lower in the constellation is 98. The number of stars in the constellation that make up the outline is 14.

There are 1 deep space objects that were identified by Charles Messier in this constellation. There are 2 non-Messier deep space objects that are covered on this site and the list is below.

Stars of Interest

The nearest star to Earth is EQ Pegasi which is roughly about 20.16 Light Years from the Earth. The nearest star to the Earth with an exoplanet is Helvetios which is about 50.91 Light Years. The furthest star that can be located in the constellation is HIP 108953 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 Pegasus with the naked eye is 18 Pegasi. 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

Pegasus was the fabled winged horse that Perseus managed to capture to help him save Andromeda .

Meteor Showers

There are 21 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
PegasidsJuly 7-13July 9thMarkab

Pegasus Facts

Is a Zodiac Sign No
Largest StarS Pegasi
Brightest StarMarkab
Area1120.794 sq. deg.
Percentage of Night Sky2.72%
Size Position7th
Hemisphere Northern
Site Exoplanet Count26
Meteor Shower Count21
Nearest StarEQ Pegasi
Nearest Star with Exoplanet(s)Helvetios
Dimmest Star18 Pegasi
Furthest StarHIP 108953
Bright Star Count98
Hipparcos Star Count2689
Main Star Count14
Messier Deep Space Object Count1
*Non-Messier Deep Space Object Count2
Bordering / Neighbouring / Surrounding ConstellationsLacerta

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

Pegasus Constellation Map

Pegasus Constellation Star Map

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

List of Deep Space Objects (Galaxies, Nebulas, Supernovas, etc) in Pegasus

NameTypeDistanceDeclinationRight Ascension
Messier 15 (NGC7078)Globular Cluster33000+12:1021h 30m 0
NGC 7742Seyfret Galaxy72.4 Million LY+10d 46' 0223h 44m 15m 7
Pegasus Dwarf Irregular GalaxyDwarf Irregular Galaxy3m14:44.3523h 28m 36m 2
Pegasus Dwarf Spheroidal GalaxyDwarf Spheroidal Galaxy2.7m24:34.5723h 51m 46m 3

Meteor Showers

Pegasids Meteor Shower

Associated CometC/1979 Y1 (Bradfield)
Max Activity Date07 Sep
Activity PeriodJuly 7-13
Right Ascension22.4
Alpha Radiant22.4
Zenith Hourly Rate3

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