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NGC 7233 — Galaxy in Grus

Galaxy Fair (33/100)

Lenticular

Magnitude 12.5m Galaxy Grus (Gru) Visible
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1Properties

Magnitude 12.53
Angular Size 1.7′ × 1.6′
Position Angle 75°
Distance 88.39 million ly
Galaxy Type Lenticular (S0-a)
F, vS, R, *8 f, f of 2

Position & Identifiers

RA 22h 15m 48.0s
Dec -45° 51' 00.0"
Constellation Grus (Gru)
Catalog NGC 7233

2How easy to spot?

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

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 7233 · 1.7′×1.6′ · 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 5181
Medium+
Bright spiral galaxy
Galaxy mag 11.7 0.5° Grus
Pi Gru
HIP 110478; Pi Gruis
Easy
Semi-regular variable, range 5.4–6.7
Variable Star mag 6.62 1.2° Grus
IC 5170
Hard+
Barred spiral galaxy
Galaxy mag 12.50 1.5° Grus
Alnair
HIP 109268; Alpha Gruis
Easy
Bright naked-eye star, mag 1.7
Star mag 1.74 1.7° Grus
NGC 7213
Medium
Bright spiral galaxy
Galaxy mag 10.5 1.7° Grus
NGC 7166
Medium
Elliptical galaxy
Galaxy mag 11.8 3.7° Grus
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