When is the best time to observe NGC 5689?

NGC 5689 is best observed from March through May, with peak visibility during April when it transits around midnight in the Northern Hemisphere.

Where is NGC 5689 located in the sky?

NGC 5689 lies in the constellation Boötes at right ascension 14h 35m and declination +48° 44′.

What telescope do I need to see NGC 5689?

At magnitude 11.9, NGC 5689 is best observed with a 6-inch (150 mm) or larger telescope.

NGC 5689 — Galaxy in Boötes

Galaxy Good (40/100)

Lenticular

Magnitude 11.9^m Galaxy Boötes (Boo) Visible

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1Properties

Magnitude 11.9

Angular Size 3.7′ × 0.9′

Position Angle 86°

Distance 100.82 million ly

Galaxy Type Lenticular (S0-a)

Description

cB, pL, E 87deg , psmbM

Position & Identifiers

RA 14h 35m 29.7s

Dec +48° 44' 29.8"

Constellation Boötes (Boo)

Catalog NGC 5689

2How easy to spot?

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

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 Mar – May (peak: Apr)

4 Eyepiece View

Telescope Eyepiece

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125x TFOV: 0.4° Lim. mag: 13.6

Seeing Bortle

NGC 5689 · 3.7′×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

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 5676

Medium+

Bright spiral galaxy

Galaxy mag 10.9 0.8° Boötes

IC 1029

Medium

Edge-on galaxy

Galaxy mag 11.29 1.3° Boötes

NGC 5660

Hard+

Bright spiral galaxy

Galaxy mag 11.8 1.3° Boötes

39 Boo

Easy

Tight double — a rewarding split at 2.5″

Double Star mag 5.69 2.3° Boötes

NGC 5633

Hard+

Barred spiral galaxy

Galaxy mag 12.3 2.9° Boötes

44 Boo

Medium

Eclipsing binary, period 6.4h

Variable Star mag 4.76 4.8° Boötes

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