Simcoe Skies Astronomy

M4 - NGC 6121

M4 Globular Star Cluster (NGC 6121)

A neighbour in Scorpius.

Magnitude: 8.6
Location: Scorpius
Distance: 7500 LY
Date: June 18/06
Exposures: 47 of 110 (windy night)
Exposure length: 5 seconds
Amp on setting: OFF
Brightness: 51
Gain: 60
Gamma: 52
Color Balance: R30B14
L-Meter: 233
Filters: IR

Notes: One of the nearest globular clusters in our galaxy.

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