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Messier objects within the Virgo Cluster

A
	A-type Stars	Apparent Magnitude	Arm, Scutum-Crux
	Abbreviations	Arcturian Stars	Arm, Spiral
	Abell 1656	Area, Angular	Asterism
	Absolute Magnitude	Aries, First Point of	Asteroid
	Absolute Temperature	Arm, Galactic	Asteroid Belt
	Absorption Nebula	Arm, Orion	Astronomical Unit
	Angular Area	Arm, Outer	AU
	Aphelion	Arm, Perseus	Autumnal Equinox
	Apollo Group	Arm, Sagittarius

B
	B-type Stars	Binary	Bright Star Catalog
	Barred Spiral Galaxy	Black Dwarf	Bright Yellow Stars
	Bayer Designation	Black Hole	Brown Dwarf
	Bayer Family	Blue Stars	BSC

C
	C-type Stars	Celestial Quadrant NQ2	Cluster, Local
	Calcium Stars	Celestial Quadrant NQ3	Cluster, Open
	Caldwell Catalogue	Celestial Quadrant NQ4	Cluster, Ursa Major
	Carbon Stars	Celestial Quadrant SQ2	Cluster, Virgo
	CBR	Celestial Quadrant SQ3	Cluster of Galaxies
	Celestial Equator	Celestial Quadrant SQ4	Coma Cluster
	Celestial Meridian	Celestial Sphere	Comet
	Celestial Pole	Classical Kuiper Belt Object	Constellation Family
	Celestial Pole, Northern	Cluster	Constellations
	Celestial Pole, Southern	Cluster, Coma	Cosmic Background Radiation
	Celestial Quadrant	Cluster, Galactic	Crater
	Celestial Quadrant NQ1	Cluster, Globular	Cubewano

D
	Dark Matter	Diameter	Dwarf
	Dark Nebula	Drake Equation	Dwarf Planet
	Declination

E
	Eccentricity	Elliptical Galaxy	Equinox, Autumnal
	Eclipse	Emission Nebula	Equinox, Vernal
	Ecliptic	Equator, Celestial	Exoplanet
	Ecliptic Pole, Northern	Equinox	Extrasolar Planet

F
	F-type Stars	First Point of Aries	Full Moon
	Family, Constellation	Flamsteed Numbers

G
	G-type Stars	Galaxies	Genitives
	Galactic Arm	Galaxy, The	Giant
	Galactic Cluster	Galaxy Cluster	Globular Cluster
	Galactic Core	Galilean Moons	Gravity
	Galactic Nucleus	Gas Giants	Green Bank Equation
	Galactic Pole, Northern

H
	HD Catalogue	Henry Draper Catalogue	HR Catalog
	Heavenly Waters Family	Hercules Family	Hubble Classification
	Hemisphere

I
	IC	Interstellar Medium	ISM
	Index Catalogue	Irregular Galaxy

J
	Jovian Planets

K
	K-type Stars	Kepler	Kuiper Belt, Classical Object
	Kelvin Scale	Kuiper Belt

L
	La Caille Family	Light Year	Local Group
	Leo I Group	Limb	Luminosity
	Life	Local Cluster	Lunar Seas

M
	M-type Stars	Magnitude, Apparent	Messier Catalogue
	M96 Group	Main Sequence Stars	Milky Way
	Magellanic Clouds	Maria	Moons
	Magnitude	Mass	Multiple Stars
	Magnitude, Absolute	Meridian, Celestial

N
	N-type Stars	NEP	Northern Ecliptic Pole
	Nebula	Neutron Star	Northern Galactic Pole
	Nebula, Absorption	New General Catalogue	NQ1, Celestial Quadrant
	Nebula, Dark	New Moon	NQ2, Celestial Quadrant
	Nebula, Emission	NGC	NQ3, Celestial Quadrant
	Nebula, Planetary	North Polar Sequence	NQ4, Celestial Quadrant
	Nebula, Reflection	Northern Celestial Pole	Nubeculae Magellani

O
	O-type Stars	Orbital Eccentricity	Orion Family
	Open Cluster	Orbital Period	Orange Stars
	Optical Double	Orion Arm	Outer Arm
	Orbit

P
	Pale Yellow Stars	Planetary Nebula	Precession
	Parallax Second	Planets	Precession Circle
	Parsec	Planets, Jovian	Prominence
	Perihelion	Planets, Terrestrial	Protoplanet
	Perseus Arm	Population I	Protostar
	Perseus Family	Population II	Pulsating Variable
	Photosphere

Q
	Quadrant, Celestial	Quadrant NQ3	Quadrant SQ3
	Quadrant NQ1	Quadrant NQ4	Quadrant SQ4
	Quadrant NQ2	Quadrant SQ2

R
	R-type Stars	Reflection Nebula	Right Ascension
	RA	Retrograde	Rings
	Red Stars

S
	S-type Galaxy	Sidereal Period	Spring Equinox
	S-type Stars	Solar Nebula	SQ2, Celestial Quadrant
	Sagittarius Arm	Solar System	SQ3, Celestial Quadrant
	Satellite	Solar Wind	SQ4, Celestial Quadrant
	SB-type Galaxy	Solstice	Star Cluster
	Schwarzchild Radius	Solstice, Summer	Stars
	Scutum-Centaurus Arm	Solstice, Winter	Subdwarf
	Scutum-Crux Arm	Southern Celestial Pole	Subgiant
	Seas, Lunar	Southern Ecliptic Pole	Summer Solstice
	Semi-Major Axis	Spectral Classification	Sunspot
	SEP	Spiral Arm	Supergiant
	Sidereal Day	Spiral Galaxy	Supernova

T
	Terrestrial Planets

U
	Universe	Ursa Major Cluster	Ursa Major Family

V
	Variable Stars	Vernal Equinox	Virgo Group
	Variable Stars, Pulsating	Virgo Cluster	Virgo I

W
	W-type Stars	Winter Solstice	White Stars
	White Dwarf

Y
	Yellow Stars (G-type)	Yellow Stars (F-type)

Z
	Zodiac