Designation:
M4
Date:
July 5th, 2018
Camera:
Canon EOS 7D Mark II ( unmodified )
Optics:
Sky-Watcher ED120mm Doublet
Focal Length:
900 mm
Exposure:
40 x 90sec.
ISO:
1000
Mount:
Sky-Watcher NEQ6 Pro
Guiding:
Orion Star Shoot Auto Guider
Software:
Adobe Photoshop, DSS, Astroflat
Notes:
Messier 4 (M4) is a bright globular cluster located in the southern constellation Scorpius.... M4 was the first and only globular cluster to be resolved into individual stars by Messier himself.
Just 5,500 light-years away, it is the closest globular cluster to Earth.