When is the best time to observe HIP 52273?

HIP 52273 is best observed from January through March, with peak visibility during February when it transits around midnight in the Northern Hemisphere.

Where is HIP 52273 located in the sky?

HIP 52273 lies in the constellation Antlia at right ascension 10h 41m and declination -35° 45′.

What telescope do I need to split HIP 52273?

Splitting HIP 52273 requires an aperture of roughly 510 mm or larger — the components are separated by about 0.6″ at magnitudes near 6.4. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 52273 — Double Star in Antlia

Magnitude 6.4^m DoubleStar Antlia (Ant) Visible

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Observe

1Physical Properties

Magnitude 6.37

Spectral Type G8-K0III+F-G

Star Color Orange (B-V 0.92)

2Position & Identifiers

RA 10h 40m 51.6s

Dec -35° 44' 30.0"

Constellation Antlia (Ant)

HR 4183

HIP 52273

HD 92589

SAO 201631

SIMBAD

3How easy to split?

Primary 6.4 mag Companion 9.1 mag Separation 0.6″

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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 510 mm reflector.

4Visibility

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Best season Jan – Mar (peak: Feb)

5Multiple Star System

Separation 0.6″

Companion Mag 9.1

Companion Sp F/G

Position Angle 48°

Star Colors A: Orange B: Yellow-white

Discoverer B 2001

Separation over time

Measured 1931 → 1991 (60 y)

Separation drift 0.70" → 0.60" (-0.10")

Rate -0.0017" / y

PA drift 63° → 48° (-15°, -0.250°/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.