Mirach
star · Andromeda · 2.1ᵐ
Red star in Andromeda.
Notable facts
The light you see today left Mirach around the year 1829.
About 37 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Mirach in?
Mirach lies in Andromeda.
Is Mirach visible to the naked eye?
2.1ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Mirach?
Best observed in October.
Data
- RA / Dec (J2000)
- 1h 10m · +35° 37′
- Type
- star
- Constellation
- Andromeda
- How to observe
- 2.1ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- M0IIIvar — red star
- Absolute magnitude
- -1.8ᵐ
- Luminosity
- ≈466 × the Sun
- Distance
- ~197 light years
- Designation
- HIP 5447
Observing tip
Stars stay points at any magnification: aim your telescope for colour, brightness and companions, not detail.
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | 66° · never sets | — |
| +55° | 71° · never sets | — |
| +45° | 81° | 35° |
| +30° | 84° | 48° |
| 0° | 54° | 54° |
| −35° | 19° | 45° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 17:24 |
| February | 15:17 |
| March | 13:32 |
| April | 11:38 |
| May | 09:44 |
| June | 07:38 |
| July | 05:34 |
| August | 03:33 |
| September | 01:40 |
| October | 23:51 |
| November | 21:50 |
| December | 19:42 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.