M4

"Globular Cluster"

Constellation- Scorpius

Right Ascension: 16h 23m 57s

Declination: -26° 32' 54"

Distance: 7200 light years

Visual Brightness: 5.9 mag

Apparent Dimension: 26.3 arc minutes

Image information-

Date taken-June 7, 2005

Telescope/Focal length/Camera/Temperature- Takahashi FS-78@ f/8.1, ST-8XE NABG @ -20C, autoguided on a NexStar11 GPS with CCDSoft Ver. 5.0

Integrations- RGB = 6x 300 seconds each binned 1x1

Processing- Flats and darks, aligned and combined in CCDSoft Ver 5.0, color combined in Astroart 2.0, Levels in Photoshop CS