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NGC 6635 — Galaxy in Hercules

Galaxy Fair (29/100)

Lenticular

Magnitude 15.0m Galaxy Hercules (Her) Visible
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1Properties

Magnitude 15.0
Angular Size 1.1′ × 1.0′
Position Angle 5°
Distance 255.34 million ly
Galaxy Type Lenticular (S0)
vF, S, R

Position & Identifiers

RA 18h 27m 36.0s
Dec +14° 49' 00.0"
Constellation Hercules (Her)
Catalog NGC 6635

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 V. 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 6635 · 1.1′×1.0′ · 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

Discover

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.

NGC 6587
Medium
Elliptical galaxy
Galaxy mag 12.1 5.2° Hercules
X Oph
Easy
Mira-type variable, range 5.9–9.2
Variable Star mag 6.40 6.5° Ophiuchus
NGC 6709
Easy
Rich open cluster
Open Cluster mag 6.7 7.3° Aquila
NGC 6658
Hard
Edge-on galaxy
Galaxy mag 12.9 8.2° Hercules
NGC 6660
Hard+
Bright spiral galaxy
Galaxy mag 12.36 8.3° Hercules
NGC 6501
Hard+
Bright spiral galaxy
Galaxy mag 12.3 8.3° Hercules
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