Eye and Telescope v3.0: The Deep Sky Observing Planner

This is the only software that can predict how an object will look through your telescope. It uses a database of 130,000 entries to help you find out which objects will be visible with your telescope's optics at a specific time and location. It will find suitable candidates for observing in a blink of an eye by filtering selections by object type, telescope, location, and so on; help you to plan your observing by creating a list of observable objects for a single night, with the best times and order for observation; and organize long-term projects by showing you the next best opportunity for observation. Clearly labelled star maps can be easily rotated to match the view in your eye-piece, and a logbook allows you to easily document and record your observations.