When is the best time to observe HIP 83693?

HIP 83693 is best observed from May through July, with peak visibility during June when it transits around midnight in the Northern Hemisphere.

Where is HIP 83693 located in the sky?

HIP 83693 lies in the constellation Scorpius at right ascension 17h 06m and declination -37° 14′.

What telescope do I need to split HIP 83693?

Splitting HIP 83693 requires an aperture of roughly 80 mm or larger — the components are separated by about 5.8″ at magnitudes near 6.0. The companion is about 4.0 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

HIP 83693 — Double Star in Scorpius

Magnitude 6.0^m DoubleStar Scorpius (Sco) Visible

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Observe

1Physical Properties

Magnitude 5.98

Spectral Type A2IV subgiant

Star Color White (B-V 0.07)

2Position & Identifiers

RA 17h 06m 20.3s

Dec -37° 13' 39.0"

Constellation Scorpius (Sco)

HR 6344

HIP 83693

HD 154310

SAO 208406

SIMBAD

3How easy to split?

Primary 6.0 mag Companion 10.0 mag Separation 5.8″

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Hard+	Hard+	Hard+
150 mm Newton 150mm Newt.	Easy	Easy	Medium+
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 May – Jul (peak: Jun)

5Multiple Star System Triple D,E: optical

Components 3 (triple)

Component IDs AB

Separation 5.8″

Companion Mag 10.0

Position Angle 79°

Star Colors A: White B: Orange

Discoverer HDO 266

Separation over time

Measured 1891 → 2016 (125 y)

Separation drift 7.0" → 5.8" (-1.20")

Rate -0.0096" / y

PA drift 90° → 79° (-11°, -0.088°/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.