Prawn Nebula, also known as IC 4628, is an emission nebula located in the Sagittarius Arm of the Milky Way, around 6,000 light-years from Earth in the constellation Scorpius.
Taken with the little el-cheapo Kson ED80 at F5.5, ZWO ASI 183mm Pro cooled to -10C, about 4 hours exposure (495 x 30 sec subs) with an hour each for LRGB. Luminance was taken with an Astronomik CLS filter, RGB with the Svbony filter set. HEQ5 Pro unguided.
Bigger at Astrobin --->
https://astrob.in/407913/0/