Orion 52085 instruction manual Appendix C Summarized Procedure to Imaging Deep Sky Objects

50

Telescope Focal Length	Angular Field of View	Image Scale of the Moon	Image Scale of M42
3000mm	27.8’ X 18.1

3910mm 21.3’ X 13.9’

51

Appendix C.

Summarized Procedure to Imaging Deep Sky Objects

Action Process Tree

Image Capture

1.Focus on a moderately bright star at Camera Control Window, Mode � Light Color 1x1, Single � Expose (approx 1 second)

least 30º (or more above the horizon).
	Draw a subframe around the star to focus on
	Camera Control Window, Mode � Light Color 1x1, Single � Expose (fraction of a second)
	Focus on the star.
	Camera Control Window, Subframe � Reset
2. Acquire and center the deep sky object	Take some single exposures to ensure the object focus, centering, and orientation are correct.
you want to image. Autosave as many
images as you would like (5 or more	Camera Control Window, Mode � Light Color 1x1, Single � Expose (X # of seconds)
images is recommended to later
combine).	Begin capturing and saving the deep sky images. For best results, choose Light Raw 1x1.
	Camera Control Window, Mode � Light Raw 1x1, Autosave (X # of images) � Expose (X # of seconds)

3.Take a dark frame right before or after Camera Control Window, Mode � Dark Raw 1x1, Autosave (3-10 images) you capture the deep space object.

Cover telescope objective.

Camera Control Window � Expose