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NGC 6447 — Galaxy in Hercules

Galaxy Fair (34/100)

Barred Spiral

Magnitude 14.0m Galaxy Hercules (Her) Visible
Star Map
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1Properties

Magnitude 14.0
Angular Size 1.4′ × 0.7′
Position Angle 150°
Distance 313.73 million ly
Galaxy Type Barred Spiral (SABb)
vF, S, R

Position & Identifiers

RA 17h 46m 17.2s
Dec +35° 34' 19.2"
Constellation Hercules (Her)
Catalog NGC 6447

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. V. hard V. hard Imp.
150mm Newt. V. hard+ V. hard V. hard
C8 203mm Hard V. hard+ V. 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 May – Jul (peak: Jun)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6447 · 1.4′×0.7′ · 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.

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