IC 4996

Scientific overview

IC 4996 is an open cluster in the constellation Cygnus. It shines at apparent magnitude 7.3 and spans about 6 arcminutes of sky.

Difficulty

Small telescope

Recommended equipment

≈ 80–100 mm telescope

Best observed

Summer (N. evening sky)

Best hemisphere

Northern

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

RA / Dec

20.2759h / 37.5553°

Hemisphere

Northern

Season

Summer

Object	Type	Mag	Size (′)
North America NebulaC 20 · NGC 7000	H II region	4	120
M 39M 39 · NGC 7092	Open cluster	4.6	19.5
NGC 6871NGC 6871	Open cluster	5.2	9.3
M 29M 29 · NGC 6913	Open cluster	6.6	3.6
NGC 6811NGC 6811	Open cluster	6.8	7.2
Eastern VeilC 33 · NGC 6992	Supernova remnant	7	60
Eastern VeilNGC 6995	Supernova remnant	7	12
NGC 7063NGC 7063	Open cluster	7	6.3

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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