The sonar system than detects a sicken ship 1500 meters ahead with an angle of elevation of 19 degrees to the highest part of the sunken ship how many meters must the submarine rise to pass over the sunken ship

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?