Beyond our galaxy
Milkyway:
-Nebulae and clusters
-Solar system
Image processing
Equipment
Astro links
M57 01 June 2009
Link to full image.
C8 at F10, Canon EOS 450D mod. 16min43sec (34x30sec manual timing) at 1600 ISO.
Light travel time: 2300 years
Processing: Registax, ImageJ: crop to square, IRIS: Richardson Lucy, "RL 5 0" command line.
M57 at The NGC Catalog Online
Author e-mail:
webweichel@gmail.com
