When is the best time to observe 94 Aquarii?

94 Aquarii is best observed from August through October, with peak visibility during September when it transits around midnight in the Northern Hemisphere.

Where is 94 Aquarii located in the sky?

94 Aquarii lies in the constellation Aquarius at right ascension 23h 19m and declination -13° 28′.

What telescope do I need to split 94 Aquarii?

Splitting 94 Aquarii requires an aperture of roughly 60 mm or larger — the components are separated by about 12.3″ at magnitudes near 5.1. Larger apertures and steady seeing help resolve the pair cleanly.

94 Aquarii — Double Star in Aquarius

Observable Double Star Excellent (63/100)

Sep: 12.3", Companion: mag 7.0

Magnitude 5.1^m DoubleStar Aquarius (Aqr) Visible

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Observe

1Physical Properties

Magnitude 5.08

Spectral Type G5IV subgiant

Star Color Orange (B-V 0.80)

Distance 82 ly

2Position & Identifiers

RA 23h 19m 06.7s

Dec -13° 27' 32.0"

Constellation Aquarius (Aqr)

HR 8866

HIP 115126

HD 219834

SAO 165625

Flamsteed 94 Aqr

Double Cat 16672

SIMBAD

3How easy to split?

Primary 5.1 mag Companion 7.0 mag Separation 12.3″

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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 Aug – Oct (peak: Sep)

5Multiple Star System Triple

Components 3 (triple)

Component IDs S

Separation 12.3″

Companion Mag 7.0

Companion Sp F9V

Position Angle 353°

Star Colors A: Orange B: Yellow

Discoverer STF2998

Notes

AB binary. B is K2V. Component A found double by speckle interferometry.

Separation over time

Measured 1821 → 2021 (200 y)

Separation drift 14.2" → 12.3" (-1.90")

Rate -0.0095" / y

PA drift 347° → 353° (+6°, +0.030°/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.