When is the best time to observe HIP 115272?

HIP 115272 is best observed from August through October, with peak visibility during September when it transits around midnight in the Northern Hemisphere.

Where is HIP 115272 located in the sky?

HIP 115272 lies in the constellation Grus at right ascension 23h 21m and declination -50° 18′.

What telescope do I need to split HIP 115272?

Splitting HIP 115272 requires an aperture of roughly 250 mm or larger — the components are separated by about 1.3″ at magnitudes near 6.0. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 115272 — Double Star in Grus

Magnitude 6.0^m DoubleStar Grus (Gru) Visible

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Observe

1Physical Properties

Magnitude 6.05

Spectral Type F5mDel Del

Star Color Yellow-white (B-V 0.42)

2Position & Identifiers

RA 23h 20m 50.0s

Dec -50° 18' 24.0"

Constellation Grus (Gru)

HR 8877

HIP 115272

HD 220003

SAO 247838

SIMBAD

3How easy to split?

Primary 6.1 mag Companion 8.9 mag Separation 1.3″

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

Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

To reach "Medium" at Bortle 3, you'd need at least a 250 mm reflector.

4Visibility

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Best season Aug – Oct (peak: Sep)

5Multiple Star System Triple

Components 3 (triple)

Component IDs AB

Separation 1.3″

Companion Mag 8.9

Position Angle 232°

Star Colors A: Yellow-white B: Orange

Discoverer RST5560

Notes

AB 6.04 F6III, 8.89V, +0.61(B-V), +0.08(U-B), G0V. AB CPM with C, 8.87v A3 at 17".

Separation over time

Measured 1947 → 2008 (61 y)

Separation drift 0.50" → 1.3" (+0.80")

Rate +0.0131" / y

PA drift 243° → 232° (-11°, -0.180°/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.