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NGC 4645 — Galaxy in Centaurus

Galaxy Fair (29/100)

Elliptical

Magnitude 13.0m Galaxy Centaurus (Cen) Visible
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1Properties

Magnitude 13.0
Angular Size 2.0′ × 0.9′
Position Angle 46°
Distance 120.83 million ly
Galaxy Type Elliptical (E)
pB, S, psbM

Position & Identifiers

RA 12h 44m 12.0s
Dec -41° 45' 00.0"
Constellation Centaurus (Cen)
Catalog NGC 4645

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard V. hard+ V. hard+
150mm Newt. Hard+ Hard+ Hard
C8 203mm Medium 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 Feb – Apr (peak: Mar)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 4645 · 2.0′×0.9′ · N up, E left

5 Best Magnification

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6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Redshift

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