Fill in the requested information and hit the simulate image button to go:
Exposure time (seconds):
Sky brightness: Dark Bright
Scaling constant to multiply image by:
Sky constant to subtract from image: NOTES:
You will only be able to have three simulated images on the screen at a time. To remove one from the screen, hit the Q key after you have moved the cursor into the image.

The values in the lower left of the window give the pixel location of the mouse and also the value of the picture at that location.

To zoom in on a region of the image, hit the left mouse button on the region you want to see in more detail.

To zoom out of a region of the image, hit the center mouse button on the region you want to zoom out of.

To get back the original display, hit the R key in the image window.

You can play with the greyscale scheme by holding the left or right mouse buttons down in the color bar at the bottom of the window and moving it left or right.