Celestron EdgeHD 11 SCT Optical Tube Assembly (Open Box)Condition: Open Box Condition Details: Fully functional item with opened or replaced packaging; essential accessories included. The night sky has always fascinated individuals and with good reason. The heavens are teeming with life, but sadly, most of it is not visible to the naked eye. Now with the study of Astronomy and the invention of telescopes, the moon, stars and planets are all within reach. With the right instruments, there's no telling what