NGC 5820 (Arp 136) galaxy type S0 edge-on, in Bootes (lower right of center) and NGC 5821, galaxy
type S? (upper left of center). Arp 136 is in the class of “E and E-like Galaxies with nearby
fragments”. Taken May 30, 31, June 2, 3, and 4, 2013. Imaged with CCD Lab’s Q285M 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 (min) = 384:64:64:64. Captured with Nebulosity, calibrated, sigma combined in Iris with other
processing using PixInsight LE and Photoshop CS. North is up.