ngc 300 the
southern pinwheel
click image for 50% full size
24 five-minute subs, as
it rose out of the skyglow and through the meridian. Maybe not
worth showing, but had to try.
The subs were calibrated
with darks, flats, and a warm pixel removal then demosaiced and
stacked using adaptive median stacking in Nebulosity.
final curves and an attempt at gradient removal in Photoshop.
Amp glow remains, too much stretching....
Meade classic LX200 12 inch
at f6.8 with Hapmod Canon 350d.
guided by PHD, DSI Pro on the ED80 at f7.5 --- sky very poor,
6 arc seconds, light winds, 66 degrees with haze...
enjoy