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NGC 1684 — Galaxy in Orion

Galaxy Fair (20/100)

Elliptical

Magnitude 13.0m Galaxy Orion (Ori) Visible
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1Properties

Magnitude 13.0
Angular Size 2.5′ × 1.7′
Position Angle 95°
Distance 206.91 million ly
Galaxy Type Elliptical (E)
pF, pS, R, bM, *9, 225deg +/-

Position & Identifiers

RA 04h 52m 30.0s
Dec -03° 06' 00.0"
Constellation Orion (Ori)
Catalog NGC 1684

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 Oct – Dec (peak: Nov)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 1684 · 2.5′×1.7′ · 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

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 1653
Hard+
Elliptical galaxy
Galaxy mag 13.0 1.8° Eridanus
NGC 1700
Medium+
Elliptical galaxy
Galaxy mag 11.0 2.1° Eridanus
62 Eri
Easy
Colorful double, sep 66.1″
Double Star mag 5.51 2.3° Eridanus
NGC 1638
Medium
Bright spiral galaxy
Galaxy mag 12.1 3.0° Eridanus
NGC 1788
Medium+
Reflection nebula around a bright star
Reflection Nebula mag 5.80 3.6° Orion
66 Eri
Medium
Variable star, range 5.1–5.6
Variable Star mag 5.12 3.9° Eridanus
NGC 1671
Hard
Bright spiral galaxy
Galaxy mag 12.88 3.9° Orion
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