NGC 5665 (Arp 049) spiral galaxy of type SAB(rs)c pec in Bootes. In the Arp “Atlas of Peculiar
Galaxies” it is in the class of spirals with small, high surface brightness companions on the arm.
Taken May 16, 18, 21 and June 15, 16, 20, 21, 2023. Imaged with Starlight Xpress’ SX-825 camera
and a Celestron EdgeHD 9.25 at f10, on a Losmandy G11/Gemini mount. The L subframes were 12 minutes
binned 1x1, while the RGB subframes were 4 minutes binned 2x2, resulting in the following total
exposures L:R:G:B (in min) = 504:64:64:64. Captured with Nebulosity, calibrated, and sigma combined
in Siril with other processing using PixInsight LE, Photoshop CS and GIMP. North is up.