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’

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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

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Image 26
Orion 52085 Appendix C Summarized Procedure to Imaging Deep Sky Objects, Camera Control Window, Subframe Reset