The Ophiuchus constellation

Oph · Catalogue stars: 40

The constellation Ophiuchus: 40 catalogue stars and 7 Messier objects. Brightest stars, visibility by latitude and the best month to observe.

Data

IAU code: Oph
Catalogue stars: 40
Messier objects: 7
Brightest star: Rasalhague · 2.1ᵐ

Stars and objects of the constellation

Stars and objects of the constellation (HIP)

HIP 81377 · 2.5ᵐ · O9.5V
HIP 83000 · 3.2ᵐ · K2IIIvar
HIP 84970 · 3.3ᵐ · B2IV
HIP 88048 · 3.3ᵐ · K0III
HIP 0 · 3.4ᵐ · A3 V
HIP 88771 · 3.7ᵐ · A4IVs
HIP 87108 · 3.8ᵐ · A0V
HIP 88192 · 3.9ᵐ · B5Ib
HIP 88601 · 4.0ᵐ · K0V SB
HIP 85340 · 4.2ᵐ · A3IV:m
HIP 80569 · 4.2ᵐ · B2Vne
HIP 85423 · 4.3ᵐ · F3III
HIP 80894 · 4.3ᵐ · G8/K0III
HIP 85355 · 4.3ᵐ · K3IIvar
HIP 82673 · 4.4ᵐ · B8V
HIP 84893 · 4.4ᵐ · F2/F3V
HIP 88290 · 4.4ᵐ · A2Vn
HIP 80975 · 4.5ᵐ · Ap
HIP 80343 · 4.5ᵐ · K0III
HIP 85365 · 4.5ᵐ · F3V

Altitude above the horizon by latitude

Latitude	Maximum altitude	Rise azimuth
+60°	21°	108°
+55°	26°	105°
+45°	36°	102°
+30°	51°	100°
0°	81°	99°
−35°	64°	101°

Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.

Culmination time by month

Month	Culmination
January	09:31
February	07:24
March	05:38
April	03:45
May	01:51
June	23:45
July	21:41
August	19:40
September	17:47
October	15:58
November	13:57
December	11:49

Upper culmination in local solar time — no time-zone or daylight-saving correction applied.

Neighbouring constellations

In brief

Which is the brightest star in Ophiuchus?

Rasalhague — 2.1ᵐ.