Comet 21P/Giacobini-Zinner near M37
© 2018 Kwang Lee
Technical details: Images were taken from my backyard with a Tak E130D reflector through the old Canon T3i. 72 x 60 seconds lights, 20 darks, 40 flats, 60 bias frames. Processed though PixInsight. Resized in Photoshop. Lights collected on 9/10/2018.