When is the best time to observe HIP 97816?

HIP 97816 is best observed from June through August, with peak visibility during July when it transits around midnight in the Northern Hemisphere.

Where is HIP 97816 located in the sky?

HIP 97816 lies in the constellation Telescopium at right ascension 19h 53m and declination -54° 58′.

What telescope do I need to split HIP 97816?

Splitting HIP 97816 requires an aperture of roughly 60 mm or larger — the components are separated by about 23.0″ at magnitudes near 5.7. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 97816 — Double Star in Telescopium

Observable Double Star Excellent (72/100)

Sep: 23.0", Companion: mag 6.4

Magnitude 5.7^m DoubleStar Telescopium (Tel) Visible

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Observe

1Physical Properties

Magnitude 5.74

Spectral Type G8-K0III

Star Color Orange (B-V 0.92)

2Position & Identifiers

RA 19h 52m 37.6s

Dec -54° 58' 16.0"

Constellation Telescopium (Tel)

HR 7548

HIP 97816

HD 187420

SAO 246311

SIMBAD

3How easy to split?

Primary 5.7 mag Companion 6.4 mag Separation 23.0″

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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 Jun – Aug (peak: Jul)

5Multiple Star System

Separation 23.0″

Companion Mag 6.4

Companion Sp A2V

Position Angle 148°

Star Colors A: Orange B: White

Discoverer DUN 227

Notes

CPM with HR 7549.

Separation over time

Measured 1826 → 2016 (190 y)

Separation drift 23.5" → 23.0" (-0.50")

Rate -0.0026" / y

PA drift 152° → 148° (-4°, -0.021°/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.