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NGC 6988 — Galaxy in Delphinus

Galaxy Fair (20/100)

Elliptical

Magnitude 15.0m Galaxy Delphinus (Del) Visible
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1Properties

Magnitude 15.0
Angular Size 0.7′ × 0.6′
Position Angle 21°
Distance 211.82 million ly
Galaxy Type Elliptical (E)
eF, pL, R

Position & Identifiers

RA 20h 55m 49.0s
Dec +10° 30' 28.4"
Constellation Delphinus (Del)
Catalog NGC 6988

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 V. 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 Jun – Aug (peak: Jul)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6988 · 0.7′×0.6′ · N up, E left

5 Best Magnification

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6 Surface Brightness

7 Morphology Decoder

8 Inclination & True Shape

9 Redshift

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11

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12

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