The Seven Sisters
Messier 45, also known as the Pleiades or Seven Sisters, is an open star cluster of extremely luminous hot blue stars passing through a dust cloud in the constellation of Taurus.
This is a composite of twenty 5-minute subexposures:
– 11 luminance exposures, 300s bin1
– 3 red exposures, 300s bin2
– 3 green exposures, 300s bin2
– 3 blue exposures, 300s bin2
Color exposures captured on November 23, 2016, luminance exposures captured on November 30, 2016, using Telescope 14 from iTelescope:
CCD: SBIG STL-11000M
OTA: 106mm Takahashi FSQ Fluorite
Mount: Paramount GT-1100S equatorial mount
Location: Mayhill, New Mexico.
Stacked and stretched with Nebulosity, then adjusted using Photoshop, both on a Mac.