0. The raw data in SBIG file format

1. Hot pixels removed using a dark frame

2a. There is a gradient in the image

2b. The gradient is removed

3a. Load the images to align

3b. Select the images to align

3c. Correlate the images

4. Edit pixels

5. Edit pixels

6. Average (stack) the images

7. DDP the final image (CCDOps)

8. Sharp the final image (CCDSharp)

Astronomical imaging and processing steps

How-to-process-DSLR-astrophotos