When is the best time to observe HIP 117107?

HIP 117107 is best observed from August through October, with peak visibility during September when it transits around midnight in the Northern Hemisphere.

Where is HIP 117107 located in the sky?

HIP 117107 lies in the constellation Sculptor at right ascension 23h 44m and declination -26° 15′.

What telescope do I need to split HIP 117107?

Splitting HIP 117107 requires an aperture of roughly 80 mm or larger — the components are separated by about 8.1″ at magnitudes near 6.2. The companion is about 3.2 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 117107 — Double Star in Sculptor

Magnitude 6.2^m DoubleStar Sculptor (Scl) Visible

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Observe

1Physical Properties

Magnitude 6.17

Spectral Type F4V

Star Color Yellow-white (B-V 0.50)

2Position & Identifiers

RA 23h 44m 28.9s

Dec -26° 14' 47.0"

Constellation Sculptor (Scl)

HR 8999

HIP 117107

HD 222872

SAO 192116

Double Cat 16963

SIMBAD

3How easy to split?

Primary 6.2 mag Companion 9.4 mag Separation 8.1″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Medium+	Medium+	Medium
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

Separation 8.1″

Companion Mag 9.4

Position Angle 318°

Star Colors A: Yellow-white B: Orange

Discoverer HJ 5417

Notes

CPM, F6IV and G8V.

Separation over time

Measured 1836 → 2016 (180 y)

Separation drift 8.0" → 8.1" (+0.10")

Rate +0.0006" / y

PA drift 327° → 318° (-9°, -0.050°/y)

Essentially fixed on human timescales — the same view your grandchildren will see.

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.