HIP 109667 — Double Star in Piscis Austrinus
Observe
1Physical Properties
Magnitude
6.17
Spectral Type
A3V
Star Color
White
(B-V 0.17)
2Position & Identifiers
RA
22h 12m 57.5s
Dec
-26° 19' 40.0"
Constellation
Piscis Austrinus
(PsA)
HR
8464
HIP
109667
HD
210739
SAO
190967
Querying VizieR catalog...
3How easy to split?
Primary
6.2 mag
Companion
9.8 mag
Separation
1.1″
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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 390 mm reflector.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Jul – Sep
(peak: Aug)
5Multiple Star System
Separation
1.1″
Companion Mag
9.8
Position Angle
284°
Star Colors
A: White
B: Orange
Discoverer
DRS 22
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 6.2 · B: 9.8 · Sep: 1.1″ · PA: 284° · N up, E right
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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6
Size Comparison
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7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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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
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.
NGC 7214
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Galaxy
mag 12.4
1.7°
Piscis Austrinus
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3.4°
Piscis Austrinus
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Easy double, sep 5.2″
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5.3°
Aquarius
M30
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Globular cluster — dense ball of ancient stars
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mag 7.2
8.0°
Capricornus
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