Wanted to see how much affect binning the v2 NOIR to 2x2 Images shot through a 30mm x 120mm mini guide scope from my highly light polluted skies File changes required diff mmalcamera.cpp mmalcamera.cpp.orig 41,42c41 < // selectSensorConfig(0 /* What ever 0 means */); < selectSensorConfig(4 /* What ever 0 means */); // Mode 4 = bin 2x2 --- > selectSensorConfig(0 /* What ever 0 means */); diff raw10tobayer16pipeline.cpp raw10tobayer16pipeline.cpp.orig 76,77c76 < // assert(raw_width == 4128 || raw_width == 3264); < assert(raw_width == 4128 || (raw_width == 3264 || raw_width == 2080)); // v2 Mode 4 raw_width = 2080 --- > assert(raw_width == 4128 || raw_width == 3264); 80,83c79,80 < // assert(xRes == 3280 || xRes == 2592); < // assert(yRes == 2464 || yRes == 1944); < assert(xRes == 3280 || (xRes == 2592 || xRes == 1640)); // v2 Mode 4 width = 1640 < assert((yRes == 2464 || yRes == 1944) || yRes == 1232); // v2 Mode 4 height = 1232 --- > assert(xRes == 3280 || xRes == 2592); > assert(yRes == 2464 || yRes == 1944); Plate solve result: Mode 0: Solved in 12 seconds , offset 45.56' , FOV 98.78x74.21' , 1.81"/pixel 06:24:52 Center, apparent coord. RA=01h28m01s DEC=+03d24m12s PA=208.1, J2000 RA=01h26m51s Dec=+03d17m07s Mode 4: Solved in 6 seconds , offset 22.39' , FOV 98.55x74.04' , 3.61"/pixel 18:06:53 Center, apparent coord. RA=01h26m16s DEC=+03d33m42s PA=214.0, J2000 RA=01h25m05s Dec=+03d26m35s Image are near NGC520 Mode 0 no bin 10 second exposure, 16 set for GAIN