When is the best time to observe NGC 5204?

NGC 5204 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is NGC 5204 located in the sky?

NGC 5204 lies in the constellation Ursa Major at right ascension 13h 30m and declination +58° 25′.

What telescope do I need to see NGC 5204?

At magnitude 11.3, NGC 5204 is best observed with a 6-inch (150 mm) or larger telescope.

NGC 5204 — Galaxy in Ursa Major

Galaxy Good (46/100)

Spiral

Magnitude 11.3^m Galaxy Ursa Major (UMa) Visible

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1Properties

Magnitude 11.3

Angular Size 4.5′ × 2.8′

Position Angle 5°

Distance 9.46 million ly

Galaxy Type Spiral (Sm)

Description

pB, cL, iR, gmbM, r

Position & Identifiers

RA 13h 29m 36.0s

Dec +58° 25' 00.0"

Constellation Ursa Major (UMa)

Catalog NGC 5204

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

Easy 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

NGC 5204 · 4.5′×2.8′ · 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.

NGC 5322

Easy

Elliptical galaxy

Galaxy mag 10.0 3.1° Ursa Major

NGC 5308

Medium+

Edge-on galaxy

Galaxy mag 11.3 3.4° Ursa Major

Mizar

Zeta UMa (BS5054)

Easy

Colorful double, sep 14.4″

Double Star mag 2.27 3.6° Ursa Major

NGC 5218

Hard+

Barred spiral galaxy

Galaxy mag 12.3 4.4° Ursa Major

NGC 5473

Medium+

Elliptical galaxy

Galaxy mag 11.4 6.0° Ursa Major

RY Dra

Easy

Mira-type variable, range 5.9–8.0

Variable Star mag 5.90 8.5° Draco

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