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IC 1657 — Galaxy in Sculptor

Galaxy Fair (39/100)

Barred Spiral

Magnitude 12.3m Galaxy Sculptor (Scl) Visible
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1Properties

Magnitude 12.29
Angular Size 2.3′ × 0.5′
Position Angle 170°
Distance 167.61 million ly
Galaxy Type Barred Spiral (SBbc)
eF, S, vmE

Position & Identifiers

RA 01h 14m 06.0s
Dec -32° 38' 60.0"
Constellation Sculptor (Scl)
Catalog IC 1657

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. V. hard+ V. hard Imp.
150mm Newt. Hard+ Hard V. hard+
C8 203mm Medium Hard+ Hard
Easy Medium Hard Very hard Impossible

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

Medium on Seestar S50

3Visibility

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Best season Sep – Nov (peak: Oct)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 1657 · 2.3′×0.5′ · N up, E left

5 Best Magnification

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6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Redshift

10 Size Comparator

Discover

11

Light Travel Time Machine

12

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

NGC 439
Hard
Elliptical galaxy
Galaxy mag 13.0 0.9° Sculptor
R Scl
Easy
Mira-type variable, range 5.5–8.0
Variable Star mag 5.79 2.7° Sculptor
IC 1608
Hard
Bright spiral galaxy
Galaxy mag 12.86 3.5° Sculptor
NGC 568
Hard+
Elliptical galaxy
Galaxy mag 12.62 4.2° Sculptor
IC 1628
Hard+
Elliptical galaxy
Galaxy mag 12.52 4.2° Sculptor
NGC 288
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.1 7.6° Sculptor
Show on Map

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