Here’s an image of Orion Nebula (M42) captured with a 4 in refractor at 565 mm focal length, an ASI 533MC cooled astronomy camera, dual band H-alpha and O-III filter, with an ASI 174MM guide camera. Tracking is done using a DIY tracker built using an Arduino and a stepper motor controller. Imaging done in NINA, guiding in PHD2, and processing in SIRIL.
For a complete list of astrophoto images, click here.
Related link: M42 Orion Nebula with Vixen R114
Night Sky in Focus | Astronomy and Amateur Radio © Anthony Urbano | Manila, Philippines