The moon is Earth's only satellite, it is one of the largest natural satellites in the Solar System. The average distance of the Moon from the Earth is around 240,000 miles, or just over one light-second.
The Moon is thought to have formed about 4.51 billion years ago, not long after Earth. There are several hypotheses for its origin; the most widely accepted explanation is that the Moon formed from the debris left over after a giant impact between Earth and a Mars-sized body called Theia.
The Moon is in synchronous rotation with Earth, always showing the same face, with its near side marked by dark volcanic maria that fill the spaces between the bright ancient crustal highlands and the prominent impact craters.
In the centre of this image are the craters Theophilus, Cyrillus & Catharina, they all have diamters of apprximately 60 miles. The are located along the edge of Mare Crisium.
Data captured 21st April, 2018.
150x 1/20s through Ha filter.
Skywatcher Quattro 200 CF
Atik 428EX Mono
This image was processed in Registax, Pixinsight & Lightroom.
Alignment & Stacking completed in Registax, best 50% of images, exported as 32bit FIT.
Stacked image imported into Lightroom.
Histogram Transformation - To stretch the image, it was a bit too bright.
Deconvolution - To recover lost detail, with range mask to protect background.
Unsharpmask - To sharpen very slightly, using previous rangemask.
Local Histogram Equalisation - To recover some contrast, using previous rangemask.
Curves Transformation - To darken the darker lunar areas and mid's slightly, using previous rangemask.
Export as JPEG and import into Lightroom.
Multiple graduated filters to reduce exposure by 1 stop around outer disc to get even exposure across surface.
Increase Exposure (+0.50)
Reduce Blacks (-25)
Export final JPEG for upload.