Rho Ophiuchi Again!
A bit more of a wide field shot, a 2 panel mosaic with a 135mm lens at f/2, f/2 imaging without a RASA! Nikon D810A, Sigma Art 135mm lens, mounted to a Celestron CGEM 2 equatorial mount, PHD2 mutistar autoguiding, Astro Photography Tool controlling camera and mount, stacking and processing in Astro Pixel Processor with some final touches in Photoshop. 10 minute subs, ISO200, f/2.
Rho Ophiuchi Again!
A bit more of a wide field shot, a 2 panel mosaic with a 135mm lens at f/2, f/2 imaging without a RASA! Nikon D810A, Sigma Art 135mm lens, mounted to a Celestron CGEM 2 equatorial mount, PHD2 mutistar autoguiding, Astro Photography Tool controlling camera and mount, stacking and processing in Astro Pixel Processor with some final touches in Photoshop. 10 minute subs, ISO200, f/2.