Composition of 6 images at 120 seconds of exposition per image in R channel, I used the iTelescope T5 in Mexico, a 0.25m f/3.4 reflector with SBIG ST-10XME CCD.
I used IRIS for registration and stacking, and a little bit of Lightroom CC to make the final photo a little more pleasant, the raw images have been calibrated using MaximDl by iTelescope.
Continue reading “Galaxy M81 with iTelescope T5”