When is the best time to observe Delta Sculptoris?

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

Where is Delta Sculptoris located in the sky?

Delta Sculptoris lies in the constellation Sculptor at right ascension 23h 49m and declination -28° 08′.

What telescope do I need to split Delta Sculptoris?

Splitting Delta Sculptoris requires an aperture of roughly 60 mm or larger — the components are separated by about 74.7″ at magnitudes near 4.6. The companion is about 4.8 magnitudes fainter, so glare from the primary — not separation — sets the minimum aperture. Larger apertures and steady seeing help resolve the pair cleanly.

Delta Sculptoris — Double Star in Sculptor

Magnitude 4.6^m DoubleStar Sculptor (Scl) Visible

Star Map + List + Plan

Observe

1Physical Properties

Magnitude 4.57

Spectral Type A0V

Star Color Blue-white (B-V 0.01)

Distance 84 ly

2Position & Identifiers

RA 23h 48m 55.6s

Dec -28° 07' 49.0"

Constellation Sculptor (Scl)

HR 9016

HIP 117452

HD 223352

SAO 192167

Bayer Delta

Double Cat 17021

SIMBAD

3How easy to split?

Primary 4.6 mag Companion 9.4 mag Separation 74.7″

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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 Triple

Components 3 (triple)

Component IDs AC

Separation 74.7″

Companion Mag 9.4

Position Angle 296°

Star Colors A: Blue-white

Discoverer HJ 3216

Notes

AB binary. B, 11v at 4". C is HD 223340, G type. AC, CPM.

Separation over time

Measured 1830 → 2016 (186 y)

Separation drift 80.0" → 74.7" (-5.30")

Rate -0.0285" / y

PA drift 301° → 296° (-5°, -0.027°/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.