When is the best time to observe HIP 96801?

HIP 96801 is best observed from June through August, with peak visibility during July when it transits around midnight in the Northern Hemisphere.

Where is HIP 96801 located in the sky?

HIP 96801 lies in the constellation Vulpecula at right ascension 19h 41m and declination +23° 43′.

What telescope do I need to split HIP 96801?

Splitting HIP 96801 requires an aperture of roughly 60 mm or larger — the components are separated by about 118.2″ at magnitudes near 6.6. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 96801 — Double Star in Vulpecula

Magnitude 6.6^m DoubleStar Vulpecula (Vul) Visible

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Observe

1Physical Properties

Magnitude 6.64

Spectral Type B6IV subgiant

Star Color White (B-V 0.01)

2Position & Identifiers

RA 19h 40m 39.7s

Dec +23° 43' 03.0"

Constellation Vulpecula (Vul)

HR 7485

HIP 96801

HD 185915

SAO 87551

Double Cat 12778

SIMBAD

3How easy to split?

Primary 6.6 mag Companion 8.3 mag Separation 118.2″

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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 Triple

Components 3 (triple)

Component IDs AC

Separation 118.2″

Companion Mag 8.2

Position Angle 66°

Star Colors A: White C: Yellow

Discoverer STF2560

Notes

Companions probably optical.

Separation over time

Measured 1879 → 2015 (136 y)

Separation drift 119.5" → 118.2" (-1.30")

Rate -0.0096" / y

PA drift 67° → 66° (-1°, -0.007°/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.