NGC 6535

Scientific overview

NGC 6535 is a globular cluster in the constellation Serpens. It shines at apparent magnitude 9.85 and spans about 3.6 arcminutes of sky.

Difficulty

Medium telescope

Recommended equipment

≈ 150–200 mm telescope

Best observed

Summer (evening sky)

Best hemisphere

Both (equatorial)

Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.

RA / Dec

18.0641h / -0.2969°

Hemisphere

Both

Season

Summer

Object	Type	Mag	Size (′)
IC 4756	Open cluster	4.6	24
M 5M 5 · NGC 5904	Globular cluster	5.95	15
Eagle Nebula	Nebula	6	5.05
Eagle NebulaM 16 · NGC 6611	Nebula	6	120
NGC 6605NGC 6605	Open cluster	6	6.3
NGC 6604NGC 6604	Open cluster	6.5	9.6

Facts on this topic will be cited from these primary and reference sources.

OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.

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