Twenty overlooked but genuinely rewarding NGC and IC objects for 4-6 inch telescopes from northern latitudes. These lesser-known treasures rival the famous Messier objects in visual appeal but rarely appear on beginner lists. The selection spans open clusters, galaxies, and planetary nebulae, covering all four seasons and offering rich variety for observers ready to venture beyond the Messier catalog.
Pubblicato da Skybred Pubblicato il March 01, 2026
20
Oggetti totali
Oggetti nella lista
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NGC 457
NGC 457
Two bright stars form the 'eyes' of an owl with wings spread wide. Striking even at low power in a 4-inch scope. The pattern is unmistakable and a crowd-pleaser at star parties.
OpenCluster · Cas · Mag 6.4
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Double cluster
NGC 869
Double cluster
Half of the magnificent Double Cluster, visible to the naked eye. Best at low power (25-40x) where both clusters fill the field with hundreds of sparkling stars. One of the finest sights in any telescope.
OpenCluster · Per · Mag 4.0
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Double cluster
NGC 884
Double cluster
The slightly younger companion to NGC 869. Contains several orange-red supergiants visible in a 4-inch scope that contrast beautifully against the blue-white cluster members. View both clusters together at lowest magnification.
OpenCluster · Per · Mag 4.0
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NGC 752
NGC 752
A large, bright, loose cluster spanning nearly a full degree. Best at low power or in a wide-field eyepiece. The stars are well-resolved in a 4-inch scope, with subtle color differences among the brighter members.
OpenCluster · And · Mag 5.7
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NGC 663
NGC 663
A rich, compact cluster in the heart of Cassiopeia. At 80-100x in a 4-inch scope, dozens of stars resolve into chains and arcs. Sits in a gorgeous Milky Way field near NGC 654 and NGC 659.
OpenCluster · Cas · Mag 7.1
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NGC 7789
NGC 7789
Caroline Herschel's Rose Cluster -- a dense swarm of faint stars that appears as a shimmering haze at low power. At 100x+ in a 6-inch scope, hundreds of stars emerge in looping chains resembling rose petals.
OpenCluster · Cas · Mag 6.7
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NGC 1502
NGC 1502
A compact, bright cluster anchored by a striking double star at its center. Follow Kemble's Cascade, a beautiful chain of stars, to find it. Superb in a 4-inch scope at 50-80x.
OpenCluster · Cam · Mag 5.7
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NGC 1528
NGC 1528
An often-overlooked gem in Perseus. A 4-inch scope at 50x reveals a rich scattering of 40+ stars in a pleasant oval shape. Pairs nicely with nearby NGC 1545 in the same low-power field.
OpenCluster · Per · Mag 6.4
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NGC 1907
NGC 1907
A tight, concentrated cluster just half a degree south of the bright Messier 38. The contrast between the two is striking -- NGC 1907 is compact and dense while M38 is sprawling. Visible together in a wide-field eyepiece.
OpenCluster · Aur · Mag 8.2
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NGC 6633
NGC 6633
A large, bright cluster easily visible to the naked eye under dark skies. In a 4-inch scope at 25-40x, about 30 bright stars scatter across nearly a degree. A fine summer cluster often passed over for nearby IC 4665.
OpenCluster · Oph · Mag 4.6
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IC 4665
IC 4665
One of the nearest open clusters to Earth. Very large and sparse -- best in binoculars or a wide-field 4-inch scope at lowest magnification. A scattering of bright stars over 1.5 degrees. Pair with NGC 6633 nearby.
OpenCluster · Oph · Mag 4.2
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NGC 6819
NGC 6819
A dense, rich cluster in the Cygnus Milky Way. At 100x in a 6-inch scope, dozens of faint stars resolve against a background glow of unresolved members. A rewarding challenge that improves with aperture.
OpenCluster · Cyg · Mag 7.3
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Eskimo nebula
NGC 2392
Eskimo nebula
A bright, high-surface-brightness planetary nebula easily found near Wasat. Even a 4-inch scope shows a small, distinctly non-stellar blue-green disk. At 150x+ in 6 inches, the central star and brighter inner shell become visible.
PlanetaryNebula · Gem · Mag 10.0
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NGC 6543
NGC 6543
A brilliant blue-green planetary nebula near the north ecliptic pole. Small but intensely bright, it is unmistakable at 100x+ in a 4-inch scope. An OIII filter enhances contrast. The central star is visible in 6 inches.
PlanetaryNebula · Dra · Mag 9.0
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Blue Snowball
NGC 7662
Blue Snowball
A vivid blue-green disk, small but unmistakable. At 150x+ in a 4-inch scope, the ring structure begins to show. One of the brightest and most colorful planetary nebulae in the northern sky. An autumn showpiece.
PlanetaryNebula · And · Mag 9.0
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NGC 7331
NGC 7331
Often called the Milky Way's twin. A tilted spiral galaxy showing an elongated glow with a brighter core in a 4-inch scope. At 100x in 6 inches, the nucleus sharpens and a dust lane may be glimpsed. Stephan's Quintet lies half a degree south.
Galaxy · Peg · Mag 9.5
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NGC 891
NGC 891
A stunning edge-on spiral galaxy. In a 6-inch scope, it appears as a thin needle of light with a subtle central bulge. The famous dark dust lane that bisects the disk is a challenging but achievable target in good seeing at 150x+.
Galaxy · And · Mag 10.0
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NGC 2903
NGC 2903
Arguably the finest NGC galaxy for small scopes -- Messier missed this one. A 4-inch scope at 80x shows a bright, elongated glow with a concentrated core. In 6 inches, mottling from spiral arms becomes apparent.
Galaxy · Leo · Mag 8.9
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NGC 4565
NGC 4565
The quintessential edge-on galaxy -- a thin sliver of light with a prominent central bulge. Visible as a ghostly streak in a 4-inch scope. A 6-inch at 100x+ reveals impressive length and the hint of a bisecting dust lane.
Galaxy · Com · Mag 9.6
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NGC 4631
NGC 4631
A large, elongated edge-on galaxy with an asymmetric profile resembling a whale. Visible in a 4-inch scope as a diffuse streak. In 6 inches at 80-100x, look for the companion galaxy NGC 4627 perched just above it like a calf with its mother.
Galaxy · CVn · Mag 9.3
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