Beyond our galaxy
Milkyway:
-Nebulae and clusters
-Double and multiple stars
-Solar system
Image processing
Equipment
Astro links
M57 9'th of October 2010
Link to full image.
C8 at F10, ST-4000XCM -20C 46min (23x120sec).
Light travel time: 2300 years
Processing: Registax, ImageJ, Irfanview.
M57 at The NGC Catalog Online
Author e-mail:
webweichel(snabel-a)gmail.com
