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NGC 6166 — Galaxy in Hercules

Galaxy Fair (29/100)

Elliptical

Magnitude 12.0m Galaxy Hercules (Her) Visible
Star Map
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1Properties

Magnitude 12.0
Angular Size 2.1′ × 1.5′
Position Angle 35°
Distance 435.54 million ly
Galaxy Type Elliptical (E2 pec)
pF, S, vlE, vgmbM

Position & Identifiers

RA 16h 28m 36.0s
Dec +39° 32' 60.0"
Constellation Hercules (Her)
Catalog NGC 6166

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard+ Hard Hard
150mm Newt. Medium+ Medium Hard+
C8 203mm Easy Medium+ Medium
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 Apr – Jun (peak: May)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6166 · 2.1′×1.5′ · 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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