When is the best time to observe HIP 52537?

HIP 52537 is best observed from January through March, with peak visibility during February when it transits around midnight in the Northern Hemisphere.

Where is HIP 52537 located in the sky?

HIP 52537 lies in the constellation Carina at right ascension 10h 45m and declination -70° 51′.

What telescope do I need to split HIP 52537?

Splitting HIP 52537 requires an aperture of roughly 60 mm or larger — the components are separated by about 33.6″ at magnitudes near 6.5. The companion is about 3.3 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 52537 — Double Star in Carina

Magnitude 6.5^m DoubleStar Carina (Car) Visible

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Observe

1Physical Properties

Magnitude 6.46

Spectral Type A6IV subgiant

Star Color Yellow-white (B-V 0.23)

2Position & Identifiers

RA 10h 44m 32.1s

Dec -70° 51' 18.0"

Constellation Carina (Car)

HR 4212

HIP 52537

HD 93359

SAO 256751

SIMBAD

3How easy to split?

Primary 6.5 mag Companion 9.8 mag Separation 33.6″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Medium+	Medium	Medium
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 Jan – Mar (peak: Feb)

5Multiple Star System Triple C: optical

Components 3 (triple)

Component IDs AB

Separation 33.6″

Companion Mag 9.8

Position Angle 295°

Star Colors A: Yellow-white B: Yellow

Discoverer DUN 99

Notes

CPM with HR 4211.

Separation over time

Measured 1835 → 2015 (180 y)

Separation drift 35.0" → 33.6" (-1.40")

Rate -0.0078" / y

PA drift 282° → 295° (+13°, +0.072°/y)

Slow change over generations — observable in lifetime comparisons.

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.