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IC 4654 — Galaxy in Apus

Galaxy Fair (39/100)

Barred Spiral

Magnitude 12.3m Galaxy Apus (Aps) Visible
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1Properties

Magnitude 12.30
Angular Size 2.0′ × 1.1′
Position Angle 102°
Distance 242.95 million ly
Galaxy Type Barred Spiral (SABb)
eF, eS, R, vmbM

Position & Identifiers

RA 17h 37m 06.0s
Dec -74° 22' 60.0"
Constellation Apus (Aps)
Catalog IC 4654

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard V. hard+ V. hard
150mm Newt. Hard+ Hard+ Hard
C8 203mm Medium Medium 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 May – Jul (peak: Jun)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 4654 · 2.0′×1.1′ · 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.

IC 4704
Medium
Elliptical galaxy
Galaxy mag 12.02 4.6° Pavo
NGC 6392
Hard+
Bright spiral galaxy
Galaxy mag 12.27 4.6° Apus
NGC 6653
Hard+
Elliptical galaxy
Galaxy mag 12.54 4.8° Pavo
C107
NGC 6101
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 9.3 5.5° Apus
NGC 6730
Medium
Elliptical galaxy
Galaxy mag 12.06 8.9° Pavo
Kappa Pav
Medium+
Variable star, range 3.9–4.8
Variable Star mag 4.44 9.6° Pavo
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