northern skyBest Dec

Perseus

The Herogen. Persei

Brightest: Mirfak
Stars: 150
Best viewed: December
Sky center: 48.0°, +42.0°

Live 3D view

150 stars

drag to rotate · scroll to zoom

pinch · drag

α · Brightest

Mirfak

Mythology

The slayer of Medusa and rescuer of Andromeda. Algol — 'the demon star' — was the first variable star studied scientifically; its eclipses were recorded by Arab astronomers as the 'winking eye' of the Gorgon.

Brightest stars

top 8 of 150

Star	Bayer	Magnitude	B−V
Mirfak	33Alp Per	1.79	0.48
Algol	26Bet Per	2.09	0.00
44Zet Per	—	2.84	0.27
45Eps Per	—	2.90	-0.20
23Gam Per	—	2.91	0.72
39Del Per	—	3.01	-0.12
25Rho Per	—	3.32	1.53
Miram	15Eta Per	3.77	1.69

Mirfak
33Alp Per
1.79
mag
Algol
26Bet Per
2.09
mag
44Zet Per
2.84
mag
45Eps Per
2.90
mag
23Gam Per
2.91
mag
39Del Per
3.01
mag
25Rho Per
3.32
mag
Miram
15Eta Per
3.77
mag

Lower magnitude = brighter. B−V color index maps to star color (bluer cooler, redder warmer).

← All 88 constellations Explore more northern-sky constellations →