Another series of images of Susy Ghia framing M106 and many others interesting objects around it, using ASTRA remote telescope #4 on March 11, 2020.
The final image is the processing of four light frames for a total of 15 minutes of exposure, I used IRIS for stacking, normalization and partly clean the gradient, than I created a flat frame from the light frame with paint.net and removed the dust and the ramaining gradient. With Astrometrica I did the data calibration than with Aperture Photometry Tool I extracted the list of stars and other sources.
Continue reading “M106 and surroundings by Susy Ghia with ASTRA Telescope”