When is the best time to observe HIP 71530?

HIP 71530 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is HIP 71530 located in the sky?

HIP 71530 lies in the constellation Circinus at right ascension 14h 38m and declination -67° 56′.

What telescope do I need to split HIP 71530?

Splitting HIP 71530 requires an aperture of roughly 80 mm or larger — the components are separated by about 9.2″ at magnitudes near 6.0. The companion is about 3.9 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 71530 — Double Star in Circinus

Magnitude 6.0^m DoubleStar Circinus (Cir) Visible

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Observe

1Physical Properties

Magnitude 6.04

Spectral Type F7V

Star Color Yellow (B-V 0.50)

Distance 64 ly

2Position & Identifiers

RA 14h 37m 46.3s

Dec -67° 55' 56.0"

Constellation Circinus (Cir)

HR 5443

HIP 71530

HD 128020

SAO 252824

SIMBAD

3How easy to split?

Primary 6.0 mag Companion 9.9 mag Separation 9.2″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Medium+	Medium	Hard+
150 mm Newton 150mm Newt.	Easy	Easy	Medium+
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 9.2″

Companion Mag 9.9

Companion Sp A

Position Angle 295°

Star Colors A: Yellow B: Yellow-white

Discoverer WFC 153

Separation over time

Measured 1895 → 2015 (120 y)

Separation drift 56.8" → 9.2" (-47.60")

Rate -0.3967" / y

PA drift 239° → 295° (+56°, +0.467°/y)

Apparent motion is significant on a human timescale — worth revisiting in a decade.

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.