When is the best time to observe HIP 76033?

HIP 76033 is best observed from April through June, with peak visibility during May when it transits around midnight in the Northern Hemisphere.

Where is HIP 76033 located in the sky?

HIP 76033 lies in the constellation Libra at right ascension 15h 32m and declination -20° 10′.

What telescope do I need to split HIP 76033?

Splitting HIP 76033 requires an aperture of roughly 60 mm or larger — the components are separated by about 11.2″ at magnitudes near 6.2. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 76033 — Double Star in Libra

Magnitude 6.2^m DoubleStar Libra (Lib) Visible

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Observe

1Physical Properties

Magnitude 6.22

Spectral Type A8V

Star Color Yellow-white (B-V 0.22)

2Position & Identifiers

RA 15h 31m 43.4s

Dec -20° 09' 53.0"

Constellation Libra (Lib)

HR 5756

HIP 76033

HD 138268

SAO 159317

Double Cat 9681

SIMBAD

3How easy to split?

Primary 6.2 mag Companion 8.9 mag Separation 11.2″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Easy	Medium+	Medium+
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 Apr – Jun (peak: May)

5Multiple Star System Quadruple

Components 4 (quadruple)

Component IDs O

Separation 11.2″

Companion Mag 8.9

Position Angle 280°

Star Colors A: Yellow-white B: Yellow

Discoverer S 672

Notes

B, 8.94V, +0.55(B-V), +0.07(U-B), F6V or G0V, CPM at 11.2". A, doubtful occultation double, mag. and color combined, | sep. 0.03".

Separation over time

Measured 1825 → 2017 (192 y)

Separation drift 11.5" → 11.2" (-0.30")

Rate -0.0016" / y

PA drift 283° → 280° (-3°, -0.016°/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.