When is the best time to observe HIP 97228?

HIP 97228 is best observed from June through August, with peak visibility during July when it transits around midnight in the Northern Hemisphere.

Where is HIP 97228 located in the sky?

HIP 97228 lies in the constellation Cygnus at right ascension 19h 46m and declination +36° 05′.

What telescope do I need to split HIP 97228?

Splitting HIP 97228 requires an aperture of roughly 60 mm or larger — the components are separated by about 14.9″ at magnitudes near 6.4. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 97228 — Double Star in Cygnus

Magnitude 6.4^m DoubleStar Cygnus (Cyg) Visible

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Observe

1Physical Properties

Magnitude 6.43

Spectral Type B9.5VpSi

Star Color Blue-white (B-V -0.03)

Distance 181 ly

2Position & Identifiers

RA 19h 45m 39.6s

Dec +36° 05' 28.0"

Constellation Cygnus (Cyg)

HR 7529

HIP 97228

HD 186901

SAO 68805

Double Cat 12893

SIMBAD

3How easy to split?

Primary 6.4 mag Companion 7.0 mag Separation 14.9″

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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 Jun – Aug (peak: Jul)

5Multiple Star System Sextuple B,F: optical

Components 6 (sextuple)

Component IDs AB

Separation 14.9″

Companion Mag 7.0

Position Angle 124°

Star Colors A: Blue-white B: White

Discoverer STF2578

Notes

AB binary. B is 7.16V, +0.02(B-V), -0.07(U-B), B9.5V, vsini 250k/s.

Separation over time

Measured 1823 → 2019 (196 y)

Separation drift 14.2" → 14.9" (+0.70")

Rate +0.0036" / y

PA drift 126° → 124° (-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.