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IC 3813 — Galaxy in Hydra

Galaxy Fair (29/100)

Lenticular

Magnitude 12.9m Galaxy Hydra (Hya) Visible
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1Properties

Magnitude 12.94
Angular Size 1.3′ × 1.0′
Position Angle 179°
Distance 150.40 million ly
Galaxy Type Lenticular (S0)
eF, S, E, *8 nf

Position & Identifiers

RA 12h 50m 02.3s
Dec -25° 55' 14.5"
Constellation Hydra (Hya)
Catalog IC 3813

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 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 Feb – Apr (peak: Mar)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

IC 3813 · 1.3′×1.0′ · 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.

LN Hya
Hard+
Semi-regular variable, range 6.6–6.7
Variable Star mag 6.62 1.5° Hydra
M68
NGC 4590
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 2.5° Hydra
IC 3927
Hard+
Elliptical galaxy
Galaxy mag 12.88 3.6° Hydra
IC 3829
Medium
Bright spiral galaxy
Galaxy mag 11.70 3.9° Hydra
IC 4197
Hard+
Elliptical galaxy
Galaxy mag 12.48 4.6° Hydra
NGC 4462
Hard+
Barred spiral galaxy
Galaxy mag 12.0 5.5° Corvus
Show on Map

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