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IC 1143 — Galaxy in Ursa Minor

Galaxy Fair (21/100)

Elliptical

Magnitude 13.8m Galaxy Ursa Minor (UMi) Visible
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1Properties

Magnitude 13.77
Angular Size 1.4′ × 1.4′
Position Angle 150°
Distance 303.19 million ly
Galaxy Type Elliptical (E)
pF, vS, R, * nr

Position & Identifiers

RA 15h 30m 56.0s
Dec +82° 27' 20.9"
Constellation Ursa Minor (UMi)
Catalog IC 1143

2How easy to spot?

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

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 1143 · 1.4′×1.4′ · N up, E left

5 Best Magnification

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6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Redshift

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11

Light Travel Time Machine

12

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