When is the best time to observe HIP 5992?

HIP 5992 is best observed from September through November, with peak visibility during October when it transits around midnight in the Northern Hemisphere.

Where is HIP 5992 located in the sky?

HIP 5992 lies in the constellation Tucana at right ascension 01h 17m and declination -66° 24′.

What telescope do I need to split HIP 5992?

Splitting HIP 5992 requires an aperture of roughly 100 mm or larger — the components are separated by about 2.4″ at magnitudes near 6.2. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 5992 — Double Star in Tucana

Magnitude 6.2^m DoubleStar Tucana (Tuc) Visible

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Observe

1Physical Properties

Magnitude 6.24

Spectral Type A0V

Star Color Blue-white (B-V 0.05)

Distance 326 ly

2Position & Identifiers

RA 01h 17m 03.6s

Dec -66° 23' 53.0"

Constellation Tucana (Tuc)

HR 380

HIP 5992

HD 7916

SAO 248350

SIMBAD

3How easy to split?

Primary 6.2 mag Companion 8.3 mag Separation 2.4″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Hard+	Hard+	Hard+
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 Sep – Nov (peak: Oct)

5Multiple Star System

Separation 2.4″

Companion Mag 8.3

Position Angle 329°

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

Discoverer HJ 3426

Separation over time

Measured 1834 → 2016 (182 y)

Separation drift 2.0" → 2.4" (+0.40")

Rate +0.0022" / y

PA drift 342° → 329° (-13°, -0.071°/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.