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Orion 52085 appendix B. Field of View Quick reference Guide

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600mm 138.8’ X 90.6’

750mm 111’ X 72.5’

900mm 92.5’ X 60.4’

appendix B. Field of View Quick reference Guide

For your convenience, refer to the list of common telescope focal lengths and their corresponding ﬁelds of view provided

by the StarShoot Pro. The angular ﬁeld of view is shown in arc-minutes. The image scale shows the relative size of two

reference objects; the Moon and the Orion Nebula.

Telescope Focal Length Angular Field of View Image Scale of the Moon Image Scale of M42

400mm 208.2' X 135.9'

500mm 166.6' X 108.7'

Contents

Main table of Contents 1. Getting Started Parts list System requirements Software and Driver Installation Camera Driver Installation Getting Started During Daylight Obtaining First Images Screen Stretch Window 2. astronomical Imaging the Fan and tEC Focusing Imaging Deep Sky Objects Dark Frames Flat Fields light and Dark 2x2 Modes 3. Image Processing Dark Frame Calibration Flat Field Calibration Convert raw to Color Combining Deep Sky Images Combine Methods Filter Color Balance Stretch recommended Processing Sequence note on File Format Batch Process 4. using the StarShoot Pro as an autoguider Computer to Mount Connection autoguider Calibration Multiple Camera Control for autoguiding 5. Other Features of Maxim Dl Essentials Edit Menu View Menu Window Menu 6. tips Polar alignment Choosing a Site for astro-imaging using Focal reducers and Barlow lenses Filters uSB Extension Cable Care and Maintenance 7. Specications appendix a. troubleshooting the optical window in front of the CCD chip appears to be fogging over or accumulating dew. the images look very noisy overall. the camera lost its connection. there are several short horizontal lines or there is irregular noise throughout the image. appendix B. Field of View Quick reference Guide Page appendix C. Summarized Procedure to Imaging Deep Sky Objects Page Page One-Year limited Warranty Orion telescopes & Binoculars Customer Support Help Line (800) 676-1343 Day or Evening Oriontelescopes.com