M 57 in Lyra 22nd April 2020 @ 00:51 UT
The iconic Ring Nebula in Lyra. Nice colours in the expanding nebula and the central star at its heart.
Image: 15 seconds x 83 frames (1245 seconds total), gain 6579, bin 1x1, Raw 14, black level 99, camera temperature 13.2 deg C, 1 dark. Stacked in SharpCap Pro 3.2.6248.0. The image was stacked and adjusted in SharpCap. The image was scaled down and cropped in GIMP.
Equipment: Celestron CPC-800 at F5.9, Alt-Az mount, Altair Astro Hypercam 294C Pro Cooled (fan), Celestron Focuser, CPWI controlled remotely via Microsoft RDP and ASCOM.
A cropped and enhanced version of the image above.
Astrometry: M 57, 1,400 light years distance.
First discovered by Charles Messier in 1779.
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