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NGC 841 — Galaxy in Andromeda

Galaxy Good (43/100)

Barred Spiral

Magnitude 13.0m Galaxy Andromeda (And) Visible
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1Properties

Magnitude 13.0
Angular Size 1.7′ × 0.9′
Position Angle 134°
Distance 210.88 million ly
Galaxy Type Barred Spiral (Sab)
pB, vS, mbMN = *13-14

Position & Identifiers

RA 02h 11m 18.0s
Dec +37° 30' 00.0"
Constellation Andromeda (And)
Catalog NGC 841

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. Hard Hard V. hard+
C8 203mm Hard+ Hard 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 841 · 1.7′×0.9′ · 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.

59 And
Easy
Easy double, sep 16.6″
Double Star mag 5.63 1.5° Andromeda
NGC 752
Easy
Scattered bright open cluster
Open Cluster mag 5.7 2.7° Andromeda
NGC 679
Hard+
Elliptical galaxy
Galaxy mag 12.4 4.7° Andromeda
NGC 890
Medium
Elliptical galaxy
Galaxy mag 12.0 4.8° Triangulum
NGC 750
Medium
Elliptical galaxy
Galaxy mag 12.2 5.1° Triangulum
NGC 751
Hard+
Elliptical galaxy
Galaxy mag 12.5 5.1° Triangulum
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