Once you have found the NEO in all of the observations by "blinking" them, the next step is to measure the position of the NEO. We need to know the pixel coordinate of it in each image. To find this, you can use the Image Examine tool in LTImage.

Image Examine Tool

Even the closest asteroids are so far away that they look like "dots" in the night sky - just like stars! So, you might think it is very hard to spot them, even with a big telescope.