When is the best time to observe IC 4310?

IC 4310 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is IC 4310 located in the sky?

IC 4310 lies in the constellation Hydra at right ascension 13h 39m and declination -25° 51′.

What telescope do I need to see IC 4310?

At magnitude 12.5, IC 4310 is a challenging target that needs at least an 8-inch (200 mm) telescope and dark skies.

IC 4310 — Galaxy in Hydra

Galaxy Fair (29/100)

Lenticular

Magnitude 12.5^m Galaxy Hydra (Hya) Visible

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1Properties

Magnitude 12.48

Angular Size 2.4′ × 1.0′

Position Angle 73°

Distance 113.17 million ly

Galaxy Type Lenticular (S0)

Description

vF, bM, wisps 0'.3 l

Position & Identifiers

RA 13h 38m 57.1s

Dec -25° 50' 44.5"

Constellation Hydra (Hya)

Catalog IC 4310

2How easy to spot?

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Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Hard	V. hard+	V. hard+
150 mm Newton 150mm Newt.	Medium	Hard+	Hard
Celestron C8 (203 mm SCT) C8 203mm	Medium+	Medium	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 Mar – May (peak: Apr)

4 Eyepiece View

Telescope Eyepiece

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125x TFOV: 0.4° Lim. mag: 13.6

Seeing Bortle

IC 4310 · 2.4′×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.

IC 4252

Hard

Elliptical galaxy

Galaxy mag 13.05 3.0° Hydra

R Hya

Medium+

Mira-type variable, range 3.5–10.9

Variable Star mag 4.97 3.3° Hydra

M83

Southern Pinwheel Galaxy

Hard+

Bright spiral galaxy

Galaxy mag 7.6 4.0° Hydra

NGC 5328

Medium

Elliptical galaxy

Galaxy mag 11.8 4.1° Hydra

NGC 5101

Medium

Bright spiral galaxy

Galaxy mag 12.0 4.1° Hydra

4 Cen

Easy

Colorful double, sep 14.8″

Double Star mag 4.73 6.8° Centaurus

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