The different stars of the several constellations are usually indicated by the letters of the Greek alphabet. For convenience of reference, the alphabet is here given.

A

a

Alpha.

B

β

Beta.

Γ

γ

Gamma.

Δ

δ

Delta.

Ε

ε

Epsilon.

Z

ζ

Zeta.

H

η

Eta.

Θ

θ

Theta.

I

ι

Iota.

K

κ

Kappa.

Λ

λ

Lambda

M

μ

Mu.

N

ν

Nu.

Ξ

ξ

Xi.

Ο

ο

Omicron.

Π

π

Pi.

P

ρ

Rho.

Σ

ς

Sigma.

Τ

τ

Tau.

Υ

υ

Upsilon.

Φ

φ

Phi.

Χ

χ

Chi.

Ψ

ψ

Phi.

Ω

ω

Omega.