NGC 6638

Globular Cluster Good (42/100)

NGC 6638 GlobularCluster Sgr Visible Level 2 Small telescope (4") - Higher magnification helpful

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Properties

Magnitude 9.2

Angular Size 4.2′

Description

glob. cl. , B, S, R, rr

Position & Identifiers

RA 18h 30m 54.0s

Dec -25° 30' 00.0"

Constellation Sgr

Catalog NGC 6638

Visibility

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Eyepiece View

Telescope Eyepiece

108x TFOV: 0.5° Lim. mag: 13.3

Seeing

NGC 6638 · 4.2′ diameter · N up, E left

Best Magnification

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