When is the best time to observe NGC 846?

NGC 846 is best observed from September through November, with peak visibility during October when it transits around midnight in the Northern Hemisphere.

Where is NGC 846 located in the sky?

NGC 846 lies in the constellation Andromeda at right ascension 02h 12m and declination +44° 34′.

What telescope do I need to see NGC 846?

At magnitude 13.0, NGC 846 is a challenging target that needs at least an 8-inch (200 mm) telescope and dark skies.

NGC 846 — Galaxy in Andromeda

Galaxy Fair (34/100)

Barred Spiral

Magnitude 13.0^m Galaxy Andromeda (And) Visible

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1Properties

Magnitude 13.0

Angular Size 1.9′ × 1.7′

Position Angle 129°

Distance 236.63 million ly

Galaxy Type Barred Spiral (SBab)

Description

eF, vS, R, gbM

Position & Identifiers

RA 02h 12m 12.0s

Dec +44° 34' 00.0"

Constellation Andromeda (And)

Catalog NGC 846

2How easy to spot?

Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	V. hard+	V. hard	V. hard
150 mm Newton 150mm Newt.	Hard+	Hard	V. hard+
Celestron C8 (203 mm SCT) C8 203mm	Hard+	Hard+	Hard

Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

Medium on Seestar S50

3Visibility

Set a location in User Settings to see visibility data.

Best season Sep – Nov (peak: Oct)

4 Eyepiece View

Telescope Eyepiece

125x TFOV: 0.4° Lim. mag: 13.6

Seeing Bortle

NGC 846 · 1.9′×1.7′ · N up, E left

5 Best Magnification

Explore

6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Redshift

10 Size Comparator

Discover

Light Travel Time Machine

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.

Gamma And

HIP 9640; Gamma2 Andromedae; 57 Andromedae

Easy

Colorful double, sep 9.6″

Double Star mag 4.84 2.7° Andromeda

Galaxy mag 9.9 2.9° Andromeda

NGC 956

Easy

Open cluster

Open Cluster mag 9.0 3.6° Andromeda

IC 239

Hard+

Galaxy

Galaxy mag 11.2 7.2° Andromeda

NGC 1023

Easy

Barred spiral galaxy

Galaxy mag 9.5 7.6° Perseus

M76

Little Dumbbell Nebula

Hard+

Planetary nebula — try an OIII filter

Planetary Nebula mag 10.1 8.6° Perseus

NGC 1175

Hard+

Bright spiral galaxy

Galaxy mag 12.8 9.7° Perseus

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