HIP 94712 — Double Star in Telescopium
Observe
1Physical Properties
Magnitude
5.40
Spectral Type
K3III
giant
Star Color
Red
(B-V 1.35)
Distance
326 ly
2Position & Identifiers
RA
19h 16m 21.7s
Dec
-45° 27' 59.0"
Constellation
Telescopium
(Tel)
HR
7289
HIP
94712
HD
179886
SAO
229584
Querying VizieR catalog...
3How easy to split?
Primary
5.4 mag
Companion
8.6 mag
Separation
0.4″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | V. hard | V. hard | V. hard |
| 150 mm Newton 150mm Newt. | V. hard | V. hard | V. hard |
| Celestron C8 (203 mm SCT) C8 203mm | V. hard | V. hard | V. hard |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
To reach "Medium" at Bortle 3, you'd need at least a 910 mm reflector.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Jun – Aug
(peak: Jul)
5Multiple Star System
Separation
0.4″
Companion Mag
8.6
Position Angle
205°
Star Colors
A: Red
Discoverer
HDS2726
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 5.4 · B: 8.6 · Sep: 0.4″ · PA: 205° · N up, E right
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Explore
6
Size Comparison
Querying VizieR for stellar data…
7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
Loading HR diagram…
10
Stellar Lifecycle
11
Blackbody Spectrum
12
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
13
Stellar Fusion
Discover
14
Light Travel Time Machine
15
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
Arkab Prior
HIP 95241; Beta1 Sagittarii
Easy double, sep 28.3″
Double Star
mag 4.01
1.5°
Sagittarius
NGC 6768
Elliptical galaxy
Galaxy
mag 12.85
5.3°
Corona Australis
Gamma CrA
HIP 93825; Gamma Coronae Australis
Tight double — a rewarding split at 1.6″
Double Star
mag 4.93
8.6°
Corona Australis
Gamma CrA
HIP 93825; Gamma Coronae Australis
Tight double — a rewarding split at 1.6″
Double Star
mag 4.99
8.6°
Corona Australis
C68
NGC 6729
Diffuse nebula
Diffuse Nebula
mag 10.0
8.9°
Corona Australis
NGC 6723
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 7.3
9.4°
Sagittarius
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