Menu

NGC 4203 — Galaxy in Coma Berenices

Galaxy Fair (39/100)

Elliptical

Magnitude 10.7m Galaxy Coma Berenices (Com) Visible
Star Map
+ List + Plan Star Hop

Observe

1Properties

Magnitude 10.7
Angular Size 3.4′ × 1.4′
Position Angle 10°
Distance 51.68 million ly
Galaxy Type Elliptical (E-S0)
vB, S, R, psmbM

Position & Identifiers

RA 12h 15m 06.0s
Dec +33° 12' 00.0"
Constellation Coma Berenices (Com)
Catalog NGC 4203

2How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Medium+ Medium Hard+
150mm Newt. Easy Easy Medium+
C8 203mm Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

Medium on Seestar S50

3Visibility

Set a location in User Settings to see visibility data.

Best season Feb – Apr (peak: Mar)

4 Eyepiece View

Log in to set your own equipment
125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 4203 · 3.4′×1.4′ · N up, E left

5 Best Magnification

Explore

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.

NGC 4150
Medium
Bright spiral galaxy
Galaxy mag 11.7 3.0° Coma Berenices
NGC 4214
Easy
Galaxy
Galaxy mag 9.7 3.1° Canes Venatici
NGC 4245
Medium+
Bright spiral galaxy
Galaxy mag 11.4 3.6° Coma Berenices
NGC 4314
Medium+
Bright spiral galaxy
Galaxy mag 10.5 3.7° Coma Berenices
Coma Star Cluster
Easy
Open cluster
Open Cluster mag 1.8 7.4° Coma Berenices
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

William Parsons
Built the Leviathan of Parsonstown; first to resolve spiral structure of nebulae
Biography
Galaxies and the Interstellar Medium
The Hubble tuning fork, Tully-Fisher distances, metallicity, Wolf-Rayet stars, HII regions, interstellar dust, the 21-cm hydrogen line, and the Sunyaev-Zel'dovich effect — the working toolkit astronomers use to read galaxies and the stuff between their stars.
Article
Coma Berenices
Mythology, bright stars, and deep-sky highlights.
Constellation
}