When is the best time to observe HIP 67703?

HIP 67703 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is HIP 67703 located in the sky?

HIP 67703 lies in the constellation Centaurus at right ascension 13h 52m and declination -52° 49′.

What telescope do I need to split HIP 67703?

Splitting HIP 67703 requires an aperture of roughly 60 mm or larger — the components are separated by about 18.5″ at magnitudes near 5.2. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 67703 — Double Star in Centaurus

Observable Double Star Excellent (62/100)

Sep: 18.5", Companion: mag 7.5

Magnitude 5.2^m DoubleStar Centaurus (Cen) Visible

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Observe

1Physical Properties

Magnitude 5.25

Spectral Type B9V

Star Color Blue-white (B-V -0.09)

2Position & Identifiers

RA 13h 52m 04.8s

Dec -52° 48' 42.0"

Constellation Centaurus (Cen)

HR 5207

HIP 67703

HD 120642

SAO 241239

SIMBAD

3How easy to split?

Primary 5.3 mag Companion 7.5 mag Separation 18.5″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Easy	Easy	Easy
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 Mar – May (peak: Apr)

5Multiple Star System

Separation 18.5″

Companion Mag 7.5

Position Angle 289°

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

Discoverer RMK 18

Notes

CPM. Companion 7.72V F0Vp.

Separation over time

Measured 1835 → 2016 (181 y)

Separation drift 18.0" → 18.5" (+0.50")

Rate +0.0028" / y

PA drift 286° → 289° (+3°, +0.017°/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.