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NGC 5802 — Galaxy in Libra

Galaxy Fair (24/100)

Lenticular

Magnitude 14.4m Galaxy Libra (Lib) Visible
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1Properties

Magnitude 14.45
Angular Size 1.3′ × 0.8′
Position Angle 101°
Distance 355.71 million ly
Galaxy Type Lenticular (S0)
vF, vS, sbM, 2nd and brightest

Position & Identifiers

RA 15h 00m 30.0s
Dec -13° 55' 00.0"
Constellation Libra (Lib)
Catalog NGC 5802

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 Apr – Jun (peak: May)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 5802 · 1.3′×0.8′ · 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

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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 5796
Hard
Elliptical galaxy
Galaxy mag 13.0 2.7° Libra
Mu Lib
Medium+
Tight double — a rewarding split at 2.0″
Double Star mag 5.31 2.7° Libra
NGC 5915
Hard+
Barred spiral galaxy
Galaxy mag 12.0 5.2° Libra
NGC 5791
Hard+
Elliptical galaxy
Galaxy mag 13.0 5.4° Libra
Zuben El Akribi
HIP 73473; Delta Librae; 19 Librae
Medium+
Eclipsing binary, period 2.3d
Variable Star mag 4.92 5.4° Libra
NGC 5726
Hard
Elliptical galaxy
Galaxy mag 13.12 6.2° Libra
NGC 5897
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.6 8.2° Libra
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