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NGC 4939 — Galaxy in Virgo

Galaxy Good (56/100)

Barred Spiral

Magnitude 11.0m Galaxy Virgo (Vir) Visible
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1Properties

Magnitude 11.0
Angular Size 5.7′ × 2.3′
Position Angle
Distance 145.02 million ly
Galaxy Type Barred Spiral (Sbc)
pB, L, R, gmbM

Position & Identifiers

RA 13h 04m 14.4s
Dec -10° 20' 22.6"
Constellation Virgo (Vir)
Catalog NGC 4939

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard+ Hard+ Hard
150mm Newt. Medium+ Medium+ Medium
C8 203mm Easy Medium+ Medium+
Easy Medium Hard Very hard Impossible

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

Easy on Seestar S50

3Visibility

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Best season Mar – May (peak: Apr)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 4939 · 5.7′×2.3′ · 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

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