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IC 4590 — Galaxy in Corona Borealis

Galaxy Modest (18/100)

Elliptical

Magnitude 16.0m Galaxy Corona Borealis (CrB) Visible
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1Properties

Magnitude 16.0
Angular Size 0.7′ × 0.4′
Position Angle 158°
Distance 700.94 million ly
Galaxy Type Elliptical (E)
F, S, gbM, dif

Position & Identifiers

RA 16h 08m 21.1s
Dec +28° 28' 43.3"
Constellation Corona Borealis (CrB)
Catalog IC 4590

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. V. hard V. hard V. hard
C8 203mm V. hard+ V. hard V. hard
Easy Medium Hard Very hard Impossible

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

Stretch on Seestar S50

3Visibility

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Best season Apr – Jun (peak: May)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 4590 · 0.7′×0.4′ · 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.

Blaze Star
HR 5958
Medium+
Mira-type variable, range 2.0–10.8
Variable Star mag 10.00 3.2° Corona Borealis
NGC 6051
Hard+
Edge-on galaxy
Galaxy mag 13.0 4.6° Serpens
NGC 6020
Hard+
Elliptical galaxy
Galaxy mag 12.6 6.6° Serpens
NGC 6027
Hard+
Bright spiral galaxy
Galaxy mag 12.4 8.0° Serpens
NGC 6210
Easy
Small bright planetary nebula
Planetary Nebula mag 9.0 9.4° Hercules
Show on Map

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