M-1 the Crab
- 5 hours, 40 minutes
click image for 50% full size
34 ten-minute subs, started
as Orion was rising and continuing through dawn... plan to try
the scope at f10 later this year...
The subs were calibrated
with darks, flats, and a warm pixel removal then
demosaiced and stacked using standard deviaton stacking in Nebulosity.
final curves and gradient removal in Photoshop.
Star color enhanced per Jerry Lodriguss in Photoshop. Luminance
channel enhanced in Photoshop.
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 good,
about 3 arc seconds, light winds, 66 degrees ...