When is the best time to observe HIP 88627?

HIP 88627 is best observed from May through July, with peak visibility during June when it transits around midnight in the Northern Hemisphere.

Where is HIP 88627 located in the sky?

HIP 88627 lies in the constellation Ophiuchus at right ascension 18h 06m and declination +12° 00′.

What telescope do I need to split HIP 88627?

Splitting HIP 88627 requires an aperture of roughly 80 mm or larger — the components are separated by about 7.1″ at magnitudes near 7.0. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 88627 — Double Star in Ophiuchus

Magnitude 7.0^m DoubleStar Ophiuchus (Oph) Visible

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Observe

1Physical Properties

Magnitude 7.04

Spectral Type A3IV subgiant

Star Color Yellow-white (B-V 0.30)

Distance 362 ly

2Position & Identifiers

RA 18h 05m 43.3s

Dec +12° 00' 14.0"

Constellation Ophiuchus (Oph)

HR 6758

HIP 88627

HD 165474

Double Cat 11056

SIMBAD

3How easy to split?

Primary 7.0 mag Companion 7.4 mag Separation 7.1″

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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 May – Jul (peak: Jun)

5Multiple Star System Triple

Components 3 (triple)

Component IDs AB

Separation 7.1″

Companion Mag 7.4

Position Angle 257°

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

Discoverer STF2276

Notes

AB binary. B = HD 165474, 7.45V, +0.30(B-V), +0.17(U-B), A7pCrEu:Sr: or A8p (beta CrB), vsini 12k/s.

Separation over time

Measured 1782 → 2023 (241 y)

Separation drift 7.6" → 7.1" (-0.50")

Rate -0.0021" / y

PA drift 260° → 257° (-3°, -0.012°/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.