When is the best time to observe HIP 46329?

HIP 46329 is best observed from January through March, with peak visibility during February when it transits around midnight in the Northern Hemisphere.

Where is HIP 46329 located in the sky?

HIP 46329 lies in the constellation Pyxis at right ascension 09h 27m and declination -28° 47′.

What telescope do I need to split HIP 46329?

Splitting HIP 46329 requires an aperture of roughly 440 mm or larger — the components are separated by about 0.5″ at magnitudes near 6.1. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 46329 — Double Star in Pyxis

Magnitude 6.1^m DoubleStar Pyxis (Pyx) Visible

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Observe

1Physical Properties

Magnitude 6.10

Range 6.09 - 6.12

Period 29.6 hours

Variable Type SPB:

Spectral Type B6Ve

Star Color Blue-white (B-V -0.10)

Distance 652 ly

2Position & Identifiers

RA 09h 26m 44.8s

Dec -28° 47' 15.0"

Constellation Pyxis (Pyx)

HR 3745

HIP 46329

HD 81753

SAO 177461

Double Cat 7379

SIMBAD

3How easy to split?

Primary 6.1 mag Companion 7.5 mag Separation 0.5″

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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 440 mm reflector.

4Visibility

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Best season Jan – Mar (peak: Feb)

5Light Curve

6Multiple Star System

Separation 0.5″

Companion Mag 7.5

Position Angle 284°

Star Colors A: Blue-white B: White

Discoverer JC 5

Separation over time

Measured 1858 → 2015 (157 y)

Separation drift 0.60" → 0.50" (-0.10")

Rate -0.0006" / y

PA drift 245° → 284° (+39°, +0.248°/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.