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IC 4913 — Galaxy in Sagittarius

Galaxy Fair (25/100)

Elliptical

Magnitude 13.1m Galaxy Sagittarius (Sgr) Visible
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1Properties

Magnitude 13.13
Angular Size 1.6′ × 1.1′
Position Angle 127°
Distance 170.28 million ly
Galaxy Type Elliptical (E-S0)
eeF, pS, e diffic, 3 st 10 s 8'

Position & Identifiers

RA 19h 56m 48.0s
Dec -37° 19' 60.0"
Constellation Sagittarius (Sgr)
Catalog IC 4913

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 Jun – Aug (peak: Jul)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 4913 · 1.6′×1.1′ · N up, E left

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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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