NGC 7017 — Galaxy in Capricornus

Galaxy Fair (24/100)

Lenticular

Magnitude 15.0^m Galaxy Capricornus (Cap) Visible

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1Properties

Magnitude 15.0

Angular Size 0.8′ × 0.6′

Position Angle 85°

Galaxy Type Lenticular (S0)

Description

eF, vS, R, bMN, 2nd of 3

Position & Identifiers

RA 21h 07m 20.5s

Dec -25° 29' 12.8"

Constellation Capricornus (Cap)

Catalog NGC 7017

2How easy to spot?

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	V. hard	V. hard	V. hard
150 mm Newton 150mm Newt.	V. hard	V. hard	V. hard
Celestron C8 (203 mm SCT) 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 Jul – Sep (peak: Aug)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6

Seeing Bortle

NGC 7017 · 0.8′×0.6′ · N up, E left

5 Best Magnification

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6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Size Comparator

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.

Double Star mag 4.50 0.5° Capricornus

Star mag 4.11 3.8° Capricornus

Elliptical galaxy

Galaxy mag 12.84 4.3° Microscopium

Elliptical galaxy

Galaxy mag 13.11 7.1° Capricornus

Globular cluster — dense ball of ancient stars

Globular Cluster mag 7.5 7.9° Capricornus

Bright spiral galaxy

Galaxy mag 11.46 9.6° Capricornus

Galaxy mag 11.3 9.7° Microscopium

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