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IC 5171 — Galaxy in Grus

Galaxy Good (43/100)

Barred Spiral

Magnitude 12.6m Galaxy Grus (Gru) Visible
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1Properties

Magnitude 12.61
Angular Size 0.7′ × 0.5′
Position Angle 153°
Distance 132.78 million ly
Galaxy Type Barred Spiral (SABb)
no descr

Position & Identifiers

RA 22h 10m 54.0s
Dec -46° 04' 60.0"
Constellation Grus (Gru)
Catalog IC 5171

2How easy to spot?

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

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 5171 · 0.7′×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

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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 5181
Medium+
Bright spiral galaxy
Galaxy mag 11.7 0.4° Grus
NGC 7233
Hard+
Bright spiral galaxy
Galaxy mag 12.53 0.9° Grus
Alnair
HIP 109268; Alpha Gruis
Easy
Bright naked-eye star, mag 1.7
Star mag 1.74 1.0° Grus
NGC 7213
Medium
Bright spiral galaxy
Galaxy mag 10.5 1.1° Grus
IC 5170
Hard+
Barred spiral galaxy
Galaxy mag 12.50 1.2° Grus
Pi Gru
HIP 110478; Pi Gruis
Easy
Semi-regular variable, range 5.4–6.7
Variable Star mag 6.62 2.1° Grus
Show on Map

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