3. You have a star tracker: (a) Your star tracker has a small field of view and took the picture given in the folder startracker in the code folder. In the associated .mat file, you have given the pixel coordinates of the stars detected in the image, and a subset of the already corrected Tycho-2 catalog around the rough region you know a priori your star tacker was pointing at the time of the observation. Find the pointing direction of the center of the FoV. focalLength 2.5630 sensorWidth 0.0369 sensorHeight 0.0369 f_number 7.2000 D 0.3556 d 0.1725 rows 4096 cols 4096 CRPIXX 2.0485e+03 CRPIXY 2.0485e+03 pxScale 0.7254 fovx 0.8244 fovy 0.8241 CD [1,0,0,1] > A 1x12 double B 1x12 double AP 1x12 double BP 1x12 double