Scorpion’s Head – A 9 Panel Mosaic of Rho Ophiuci Region, by Gabriel R. Santos (grsotnas). HEQ5 | Canon 80D (unmodded) + Tamron 70-200 @ 200mm f/3.5 | 9 panels, each 5 to 8 light frames of 240s ISO 1600. Total exposure 216min.
Pre-Processing (Analysis, Registration and Stacking) and Background Calibration with AstroPixelProcessor. Post-Processing in Adobe Photoshop and Lightroom.