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NGC 3813 — Galaxy in Ursa Major

Galaxy Good (45/100)

Barred Spiral

Magnitude 11.7m Galaxy Ursa Major (UMa) Visible
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1Properties

Magnitude 11.7
Angular Size 2.1′ × 1.2′
Position Angle 85°
Distance 68.31 million ly
Galaxy Type Barred Spiral (Sb)
cB, pL, pmE 83deg , bM

Position & Identifiers

RA 11h 41m 18.0s
Dec +36° 32' 60.0"
Constellation Ursa Major (UMa)
Catalog NGC 3813

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. V. hard V. hard Imp.
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 Feb – Apr (peak: Mar)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 3813 · 2.1′×1.2′ · 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

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