NGC 6604

Scientific overview

NGC 6604 is an open cluster in the constellation Serpens. It shines at apparent magnitude 6.5 and spans about 9.6 arcminutes of sky.

Difficulty

Binoculars

Recommended equipment

10×50 binoculars or any small 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

18.3008h / -12.2431°

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 6535NGC 6535	Globular cluster	9.85	3.6

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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