The Telescopium constellation
Tel · Catalogue stars: 7
Why this name?
The constellation honours the telescope, the instrument that revealed many details of the sky invisible to the unaided eye.
A little history
Lacaille introduced Telescopium in the eighteenth century. His chart depicted a long telescope of that era; the constellation’s boundaries and depiction changed subsequently.
Data
- IAU code
- Tel
- Catalogue stars
- 7
- Messier objects
- 0
- Brightest star
- HIP 90422 · 3.5ᵐ
Stars (HIP)
- HIP 90422 · 3.5ᵐ · B3IV
- HIP 90568 · 4.1ᵐ · G8/K0III
- HIP 89112 · 4.5ᵐ · G5III
- HIP 93148 · 4.8ᵐ · A0V
- HIP 96341 · 4.9ᵐ · G9III
- HIP 90830 · 4.9ᵐ · B6IV
- HIP 99120 · 4.9ᵐ · M1II
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | never rises | — |
| +55° | never rises | — |
| +45° | never rises | — |
| +30° | 11° | 151° |
| 0° | 41° | 139° |
| −35° | 76° | 158° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 11:09 |
| February | 09:01 |
| March | 07:16 |
| April | 05:23 |
| May | 03:28 |
| June | 01:22 |
| July | 23:18 |
| August | 21:17 |
| September | 19:24 |
| October | 17:35 |
| November | 15:35 |
| December | 13:26 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.
Neighbouring constellations
In brief
Which is the brightest star in Telescopium?
HIP 90422 — 3.5ᵐ.