When is the best time to observe HIP 64779?

HIP 64779 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is HIP 64779 located in the sky?

HIP 64779 lies in the constellation Coma Berenices at right ascension 13h 17m and declination +19° 47′.

What telescope do I need to split HIP 64779?

Splitting HIP 64779 requires an aperture of roughly 60 mm or larger — the components are separated by about 202.9″ at magnitudes near 6.5. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 64779 — Double Star in Coma Berenices

Magnitude 6.5^m DoubleStar Coma Berenices (Com) Visible

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Observe

1Physical Properties

Magnitude 6.45

Spectral Type F0V

Star Color Yellow-white (B-V 0.25)

2Position & Identifiers

RA 13h 16m 32.3s

Dec +19° 47' 07.0"

Constellation Coma Berenices (Com)

HR 5010

HIP 64779

HD 115365

SAO 82751

SIMBAD

3How easy to split?

Primary 6.5 mag Companion 7.6 mag Separation 202.9″

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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 Mar – May (peak: Apr)

5Multiple Star System

Separation 202.9″

Companion Mag 7.6

Companion Sp A2

Position Angle 58°

Star Colors A: Yellow-white B: White

Discoverer BGH 46

Notes

Companion is GC 17977, 8.2v A2, CPM.

Separation over time

Measured 1893 → 2015 (122 y)

Separation drift 202.9" → 202.9" (+0.00")

Rate +0.0000" / y

PA drift 58° → 58° (+0°, +0.000°/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.