When is the best time to observe HIP 15282?

HIP 15282 is best observed from October through December, with peak visibility during November when it transits around midnight in the Northern Hemisphere.

Where is HIP 15282 located in the sky?

HIP 15282 lies in the constellation Perseus at right ascension 03h 17m and declination +40° 29′.

What telescope do I need to split HIP 15282?

Splitting HIP 15282 requires an aperture of roughly 100 mm or larger — the components are separated by about 3.6″ at magnitudes near 6.5. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 15282 — Double Star in Perseus

Magnitude 6.5^m DoubleStar Perseus (Per) Visible

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Observe

1Physical Properties

Magnitude 6.45

Spectral Type B9VpSi

Distance 815 ly

2Position & Identifiers

RA 03h 17m 11.4s

Dec +40° 29' 00.0"

Constellation Perseus (Per)

HR 979

HIP 15282

HD 20283

SAO 38700

Double Cat 2443

SIMBAD

3How easy to split?

Primary 6.5 mag Companion 7.7 mag Separation 3.6″

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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	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 Oct – Dec (peak: Nov)

5Multiple Star System

Separation 3.6″

Companion Mag 7.7

Position Angle 30°

Discoverer STF 369

Notes

Component B, 8.0 A7m. CPM.

Separation over time

Measured 1828 → 2021 (193 y)

Separation drift 2.0" → 3.6" (+1.60")

Rate +0.0083" / y

PA drift 28° → 30° (+2°, +0.010°/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.