About this Image
The globular cluster NGC 4372 in the constellation Musca is obscured by interstellar gas and dust and therefore appearing in a yellow-red shade.
It is situated south of the dark Doodad Nebula, a nice extended bow of obscuring dust.
Scientific investigations showed, it is a cluster with one of the lowest metallicities.
20 " Keller cassegrain in corrected secondary focus at f/9
|Camera||SBIG STL-11000M at -20C, 8-pos STL filter wheel|
|Date||May 08, 2008.|
dark skies, raw FWHM: 2.0-2.1"
temperature 10 C,
|Exposure||R:G:B = 20:20:20 minutes (10-minute sub-exposures); synthetic luminance used|
Maxim DL 4.5