m057-ring_60deg_ed80f150_20d-nr_6x20min800iso_ip-adpadd-ddp11416-starsize-statdiff.jpg
m057-ring_60deg_ed80f150_20d-nr_6x20min800iso_ip-adpadd-ddp11416-starsize-statdiff.jpg
(m057-ring_60deg_ed80f150_20d-nr_6x20min800iso_ip-adpadd-ddp11416-starsize-statdiff.jpg)
M57 - Ring Nebula
Orion ED80 f/15.0 (f/7.0 with 2" Orion Barlow). canon 20d 6 x 20min 800iso images with in-camera noise reduction. It was 60 degrees outside.