30 Jul
2006
30 Jul
'06
5:50 p.m.
Hi Kurt, this is the first time I've made a photo with luminosity exposures as well as color filters. Because M27 is so bright, they were brief exposures, like 10 second each. I stacked I think eight B&W images (80 seconds) and the same number of images of red, blue and green. Thanks, Joe