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NGC 751 — Galaxy in Triangulum

Galaxy Fair (29/100)

Elliptical

Magnitude 12.5m Galaxy Triangulum (Tri) Visible
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1Properties

Magnitude 12.5
Angular Size 1.6′ × 1.3′
Position Angle 139°
Distance 253.21 million ly
Galaxy Type Elliptical (E)
pF, eS, R, bM, Dneb with 750

Position & Identifiers

RA 01h 57m 33.0s
Dec +33° 12' 11.2"
Constellation Triangulum (Tri)
Catalog NGC 751

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard Hard V. hard+
150mm Newt. Medium Hard+ Hard+
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 Sep – Nov (peak: Oct)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 751 · 1.6′×1.3′ · 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 750
Medium
Elliptical galaxy
Galaxy mag 12.2 0.0° Triangulum
NGC 736
Medium
Elliptical galaxy
Galaxy mag 12.2 0.2° Triangulum
IC 1733
Hard+
Elliptical galaxy
Galaxy mag 13.01 1.4° Triangulum
NGC 777
Medium
Elliptical galaxy
Galaxy mag 12.0 1.9° Triangulum
6 Tri
Easy
Easy double, sep 3.9″
Double Star mag 4.94 4.3° Triangulum
C28
NGC 752
Easy
Scattered bright open cluster
Open Cluster mag 5.7 4.6° Andromeda
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