variable star
star whose brightness as seen from Earth fluctuates
Alpha Fornacis
star in constellation Fornax
Iota Ceti
star in the constellation Cetus
EX Lupi
variable star in the constellation Lupus
Zeta Geminorum
star
Alpha Gruis
star in the constellation Grus
Sigma Geminorum
binary star system in the constellation Gemini
Gamma Arietis
star in the constellation Aries
cataclysmic variable star
stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state
Phi Virginis
star
Pi Aquarii
star in the constellation Aquarius
Lambda Serpentis
star in the constellation Serpens
Epsilon Geminorum
star in the constellation Gemini
Omega Orionis
variable star in Orion
Lambda Arae
star in the constellation Ara
Rho Aquarii
star in the constellation Aquarius
Chi Aquarii
star in the constellation Aquarius
Pi Herculis
star in the constellation Hercules
Lambda Geminorum
star
Eta Herculis
star in the constellation Hercules
Mu Ceti
binary star system in the constellation Cetus
Iota Leonis
Star in the constellation Leo
Tau Herculis
variable star in the constellation Hercules
Kappa Serpentis
star in the constellation Serpens
Omicron Serpentis
star in the constellation Serpens
LP Aquarii
star in the constellation Aquarius
T Puppis
star in the constellation Puppis
U Aquarii
variable star in the constellation Aquarius
Xi Pavonis
star in the constellation Pavo
Delta Sagittae
star in the constellation Sagitta
Kappa Pyxidis
star in the constellation Pyxis
OT Geminorum
star in the constellation Gemini
VY Pyxidis
star in the constellation Pyxis
X Crucis
variable star in the constellation Crux
BU Crucis
star in the constellation Crux
U Leporis
variable star in the constellation Lepus
Y Aquarii
variable star in the constellation Aquarius
Epsilon Arietis
star system in the constellation Aries
Polaris
brightest star in the constellation Ursa Minor
Alpha Ceti
star in the constellation Cetus
Beta Cancri
star in the constellation Cancer
R Coronae Borealis
yellow supergiant star in the constellation Corona Borealis
Pi Puppis
star in the constellation of Puppis
Rho Puppis
star in the southern constellation of Puppis
T Coronae Borealis
recurring nova in the constellation Corona Borealis
T Tauri
variable star in constellation Taurus
Gamma Pavonis
star in the constellation Pavo
Kappa Leonis
star
Kappa Herculis A
star
Nu Centauri
star in the constellation Centaurus
Lambda Aquarii
star in the constellation Aquarius