Astro Runner
NGC 2403 from February 20, 2021
10 second exposures, over 300 exposures for 1 hour of data. ASI 294 with the C9.25 and no reducer, -10C, gain of 300, Orion Atlas Pro and new SharpCapPro sequencer using the automatic dithering from integration with PhD guiding. Using PI's Multiscale Linear Transform and k sigma noise thresholding for final polish to remove some pixelization.
Conditions were 16 degrees F and calm winds, very dry February evening with a quarter moon in the sky. I could not tell that the glow from that moon affected the image at all.
This image seems to be of equivalent quality to the one taken in 2019 using long exposures. Yet another argument in favor of lucky imaging. Large amount of data to process is a drawback, but a big advantage is to throw out bad frames and achieve sharper final image.
NGC 2403 from February 20, 2021
10 second exposures, over 300 exposures for 1 hour of data. ASI 294 with the C9.25 and no reducer, -10C, gain of 300, Orion Atlas Pro and new SharpCapPro sequencer using the automatic dithering from integration with PhD guiding. Using PI's Multiscale Linear Transform and k sigma noise thresholding for final polish to remove some pixelization.
Conditions were 16 degrees F and calm winds, very dry February evening with a quarter moon in the sky. I could not tell that the glow from that moon affected the image at all.
This image seems to be of equivalent quality to the one taken in 2019 using long exposures. Yet another argument in favor of lucky imaging. Large amount of data to process is a drawback, but a big advantage is to throw out bad frames and achieve sharper final image.