When is the best time to observe HIP 112168?

HIP 112168 is best observed from July through September, with peak visibility during August when it transits around midnight in the Northern Hemisphere.

Where is HIP 112168 located in the sky?

HIP 112168 lies in the constellation Aquarius at right ascension 22h 43m and declination -08° 19′.

What telescope do I need to split HIP 112168?

Splitting HIP 112168 requires an aperture of roughly 100 mm or larger — the components are separated by about 2.4″ at magnitudes near 6.5. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 112168 — Double Star in Aquarius

Magnitude 6.5^m DoubleStar Aquarius (Aqr) Visible

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Observe

1Physical Properties

Magnitude 6.45

Spectral Type A5V

Star Color Yellow-white (B-V 0.17)

Distance 815 ly

2Position & Identifiers

RA 22h 43m 03.5s

Dec -08° 18' 42.0"

Constellation Aquarius (Aqr)

HR 8645

HIP 112168

HD 215114

SAO 146271

Double Cat 16208

SIMBAD

3How easy to split?

Primary 6.5 mag Companion 7.9 mag Separation 2.4″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Hard+	Hard+	Hard+
150 mm Newton 150mm Newt.	Easy	Easy	Easy
Celestron C8 (203 mm SCT) C8 203mm	Easy	Easy	Easy

Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

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Best season Jul – Sep (peak: Aug)

5Multiple Star System Quadruple C,D: optical

Components 4 (quadruple)

Component IDs AB

Separation 2.4″

Companion Mag 7.9

Position Angle 306°

Star Colors A: Yellow-white B: Yellow-white

Discoverer STF2935

Notes

AB binary. B9, A7.

Separation over time

Measured 1782 → 2020 (238 y)

Separation drift 3.0" → 2.4" (-0.60")

Rate -0.0025" / y

PA drift 311° → 306° (-5°, -0.021°/y)

Essentially fixed on human timescales — the same view your grandchildren will see.

Measured from the WDS observational archive. No orbital solution has been derived — most likely the period is too long to fit an orbit to the available measurement arc.