C/2020 F3 NEOWISE， 2020年7月18日，用celestron i8+NIKON摄于Northwest High School (Montgomery County, Maryland)
This is the moon shot in the New year eve of 2013. This is the Orion nebulae which is easy to observe using small telescopes. Photo of bloody moon taken through Celestron i8 in Gaithersburg on January 20, 2019 Venus visits Pleiades on April 3, 2020 using Celestron i8 +NIKON 3100 First spot on the Sun surface in cycle 24 using Celestron i8+solar filter in Gaithersburg in March, 2020 Magellan twin telescopes, Las Campanas observatory, Chile, on June, 2019 The biggest moon in 2020 shot in the night of April 7 with Celestron i8 and NIKON D3100
两本书 