When is the best time to observe HIP 63916?

HIP 63916 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is HIP 63916 located in the sky?

HIP 63916 lies in the constellation Canes Venatici at right ascension 13h 06m and declination +45° 16′.

What telescope do I need to split HIP 63916?

Splitting HIP 63916 requires an aperture of roughly 210 mm or larger — the components are separated by about 2.8″ at magnitudes near 5.6. The companion is about 4.4 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 63916 — Double Star in Canes Venatici

Magnitude 5.6^m DoubleStar Canes Venatici (CVn) Visible

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Observe

1Physical Properties

Magnitude 5.63

Spectral Type K1III giant

Star Color Orange (B-V 1.13)

Distance 272 ly

2Position & Identifiers

RA 13h 05m 52.3s

Dec +45° 16' 07.0"

Constellation Canes Venatici (CVn)

HR 4945

HIP 63916

HD 113847

SAO 44465

Double Cat 8775

SIMBAD

3How easy to split?

Primary 5.6 mag Companion 10.0 mag Separation 2.8″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	V. hard+	V. hard+	V. hard+
150 mm Newton 150mm Newt.	Hard	Hard	Hard
Celestron C8 (203 mm SCT) C8 203mm	Hard+	Hard+	Hard+

Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

To reach "Medium" at Bortle 3, you'd need at least a 210 mm reflector.

4Visibility

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Best season Mar – May (peak: Apr)

5Multiple Star System

Separation 2.8″

Companion Mag 10.0

Position Angle 126°

Star Colors A: Orange

Discoverer BU 930

Separation over time

Measured 1879 → 2016 (137 y)

Separation drift 2.7" → 2.8" (+0.10")

Rate +0.0007" / y

PA drift 109° → 126° (+17°, +0.124°/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.