Melotte 15 (Ha-RGB)
Melotte 15 is a cluster of young stars in the mid of the cloud complex IC1805 - the Heart Nebula - in the constellation Cassiopeia.
The image is a combination of 56 x 600s @ ISO 800 with 12 nm Hydrogen Alpha narrowband filter and an RGB image. The Ha data were shot through a 130/910mm refractor with a stock Pentax K3ii. The RGB data were taken with a 80/480 mm refractor and a stock Pentax K5 (48 x 180s @ ISO 800).
Processing in Astro Pixel Processor and Photoshop CC2018