When is the best time to observe HIP 52520?

HIP 52520 is best observed from January through March, with peak visibility during February when it transits around midnight in the Northern Hemisphere.

Where is HIP 52520 located in the sky?

HIP 52520 lies in the constellation Carina at right ascension 10h 44m and declination -70° 52′.

What telescope do I need to split HIP 52520?

Splitting HIP 52520 requires an aperture of roughly 60 mm or larger — the components are separated by about 62.6″ at magnitudes near 6.3. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 52520 — Double Star in Carina

Magnitude 6.3^m DoubleStar Carina (Car) Visible

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Observe

1Physical Properties

Magnitude 6.26

Spectral Type A5IV-V subgiant

Star Color Yellow-white (B-V 0.20)

2Position & Identifiers

RA 10h 44m 19.4s

Dec -70° 51' 36.0"

Constellation Carina (Car)

HR 4211

HIP 52520

HD 93344

SAO 256750

SIMBAD

3How easy to split?

Primary 6.3 mag Companion 6.5 mag Separation 62.6″

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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 Jan – Mar (peak: Feb)

5Multiple Star System Triple C: optical

Components 3 (triple)

Component IDs AB

Separation 62.6″

Companion Mag 6.5

Position Angle 75°

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

Discoverer DUN 99

Notes

CPM with HR 4212.

Separation over time

Measured 1826 → 2015 (189 y)

Separation drift 68.7" → 62.6" (-6.10")

Rate -0.0323" / y

PA drift 74° → 75° (+1°, +0.005°/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.