Specifications

12 AUTOSTAR CCD PHOTOMETRY
8. Unless the sky is exceptionally steady, leave the image quality
(Min Quality %) at 30 and evaluation frames (Evaluation Count)
at 5. These default values seem to work well. Check the Combine
box. (Fig. 2-11.)
Figure 2-11. Quality and Evaluation Count Window.
Make sure the images are saved as FITS files and Normal
Operation is selected (see Fig. 2-12). Click the Save Procedure
button.
Figure 2-12. Save Procedure Window.
9. Now we will set up a Tracking Reference Star that will be
used to align the images in the stack of images that are combined.
While viewing the real-time image (with the DSI1 folder tab
selected and Live box checked; see Figure 2-13), draw a small box
around an isolated star to be used as a Reference Guide Star (see
Figure 2-14).
Figure 2-13.
DSI1 Folder Tab.
Figure 2-14.
Tracking Star Selection Box.