When is the best time to observe HIP 49769?

HIP 49769 is best observed from January through March, with peak visibility during February when it transits around midnight in the Northern Hemisphere.

Where is HIP 49769 located in the sky?

HIP 49769 lies in the constellation Antlia at right ascension 10h 10m and declination -35° 51′.

What telescope do I need to split HIP 49769?

Splitting HIP 49769 requires an aperture of roughly 790 mm or larger — the components are separated by about 0.7″ at magnitudes near 6.1. The companion is about 4.3 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 49769 — Double Star in Antlia

Magnitude 6.1^m DoubleStar Antlia (Ant) Visible

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Observe

1Physical Properties

Magnitude 6.13

Spectral Type F8V

Star Color Yellow (B-V 0.60)

Distance 68 ly

2Position & Identifiers

RA 10h 09m 31.8s

Dec -35° 51' 24.0"

Constellation Antlia (Ant)

HR 3992

HIP 49769

HD 88218

SAO 201109

SIMBAD

3How easy to split?

Primary 6.1 mag Companion 10.4 mag Separation 0.7″

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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.	V. hard	V. hard	V. hard
Celestron C8 (203 mm SCT) C8 203mm	V. hard	V. hard	V. 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 790 mm reflector.

4Visibility

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Best season Jan – Mar (peak: Feb)

5Multiple Star System

Separation 0.7″

Companion Mag 10.4

Position Angle 9°

Star Colors A: Yellow B: Red

Discoverer RST2678

Separation over time

Measured 1935 → 2021 (86 y)

Separation drift 2.1" → 0.70" (-1.40")

Rate -0.0163" / y

PA drift 272° → 9° (+97°, +1.128°/y)

Apparent motion is significant on a human timescale — worth revisiting in a decade.

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.