When is the best time to observe HIP 114921?

HIP 114921 is best observed from August through October, with peak visibility during September when it transits around midnight in the Northern Hemisphere.

Where is HIP 114921 located in the sky?

HIP 114921 lies in the constellation Grus at right ascension 23h 17m and declination -44° 29′.

What telescope do I need to split HIP 114921?

Splitting HIP 114921 requires an aperture of roughly 60 mm or larger — the components are separated by about 21.7″ at magnitudes near 5.9. The companion is about 5.2 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 114921 — Double Star in Grus

Magnitude 5.9^m DoubleStar Grus (Gru) Visible

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Observe

1Physical Properties

Magnitude 5.92

Spectral Type K1III giant

Star Color Orange (B-V 1.06)

2Position & Identifiers

RA 23h 16m 39.7s

Dec -44° 29' 21.0"

Constellation Grus (Gru)

HR 8846

HIP 114921

HD 219507

SAO 231532

SIMBAD

3How easy to split?

Primary 5.9 mag Companion 11.1 mag Separation 21.7″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Hard+	Hard	V. hard+
150 mm Newton 150mm Newt.	Medium+	Medium	Medium
Celestron C8 (203 mm SCT) C8 203mm	Easy	Medium+	Medium

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

Separation 21.7″

Companion Mag 11.1

Position Angle 42°

Star Colors A: Orange

Discoverer HJ 5390

Separation over time

Measured 1903 → 2013 (110 y)

Separation drift 22.1" → 21.7" (-0.40")

Rate -0.0036" / y

PA drift 42° → 42° (+0°, +0.000°/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.