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NGC 3997 — Galaxy in Leo

Galaxy Good (43/100)

Barred Spiral

Magnitude 14.0m Galaxy Leo Visible
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1Properties

Magnitude 14.0
Angular Size 1.1′ × 0.6′
Position Angle 126°
Distance 218.76 million ly
Galaxy Type Barred Spiral (SBb)
pF, vS, E 25deg , bet 2 st

Position & Identifiers

RA 11h 57m 48.0s
Dec +25° 16' 00.0"
Constellation Leo
Catalog NGC 3997

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. V. hard+ V. hard+ V. hard
C8 203mm Hard V. hard+ V. 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 3997 · 1.1′×0.6′ · 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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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 3900
Medium+
Bright spiral galaxy
Galaxy mag 11.4 2.6° Leo
NGC 4008
Medium
Elliptical galaxy
Galaxy mag 12.0 2.9° Leo
NGC 4162
Medium
Barred spiral galaxy
Galaxy mag 11.5 3.4° Coma Berenices
2 Com
Easy
Easy double, sep 3.7″
Double Star mag 5.87 4.1° Coma Berenices
NGC 4055
Hard
Elliptical galaxy
Galaxy mag 12.93 4.4° Coma Berenices
NGC 4147
Medium+
Compact globular cluster
Globular Cluster mag 10.3 7.3° Coma Berenices
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