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IC 4975 — Galaxy in Telescopium

Galaxy Fair (29/100)

Lenticular

Magnitude 13.5m Galaxy Telescopium (Tel) Visible
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1Properties

Magnitude 13.51
Angular Size 1.1′ × 1.0′
Position Angle 39°
Distance 445.06 million ly
Galaxy Type Lenticular (S0)
bM, mag 15

Position & Identifiers

RA 20h 14m 03.0s
Dec -52° 43' 18.5"
Constellation Telescopium (Tel)
Catalog IC 4975

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 Jun – Aug (peak: Jul)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 4975 · 1.1′×1.0′ · 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.

Xi Tel
Easy
Cool red giant
Star mag 4.94 1.0° Telescopium
NGC 6854
Hard+
Elliptical galaxy
Galaxy mag 13.0 2.1° Telescopium
NGC 6868
Medium
Elliptical galaxy
Galaxy mag 12.0 4.4° Telescopium
NGC 6870
Hard+
Bright spiral galaxy
Galaxy mag 12.2 4.5° Telescopium
NGC 6861
Medium+
Bright spiral galaxy
Galaxy mag 11.1 4.5° Telescopium
NU Pav
Hard+
Semi-regular variable, range 4.9–5.3
Variable Star mag 5.13 6.9° Pavo
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