| Object |
M20 Object RA 18:02.7
Dec +22:58 |
| Exposure |
28 minutes (14
X 2 minutes) |
| ISO |
21600 |
| Camera |
Canon 350D DSLR |
| Optics |
8" f/4 Schmidt Newtonian Telescope |
| Location |
St.
Croix Observatory |
| Processing |
Calibration and stacking done with Deep
Sky Stacker. Background
correction and noise
reduction applied then the stars
were separated from the rest of the image. This allowed
different stretches to be applied to the nebula and the stars. A slight
gradient was
removed from the nebula image and the star colour was
enhanced. A slight tracking
error was removed from the star layer and the red enhanced in the
nebula layer. Finally the star and nebula layers were recombined to
produce the final image. |
