Object Aperture: 13 pixels Inner Annulus: 30 pixels Outer Annulus: 60 pixels Frames 87,88: Aperture would not center on Tempel, photometries suspect. Frames 90-91: No measurements made, as Tempel did not appear, and no standards were in the frame. (check on this) Frame 104: Tempel approaching dim star which could potentially lead to interference.