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AUTOSTAR CCD PHOTOMETRY 33

APPENDIX A

Modifying the DSI Pro Camera

Introduction

The color versions of the Meade Deep Sky Imager (DSI) CCD

camera cannot be used for astronomical filter photometry, but the

monochrome DSI Pro (and DSI Pro-II) can. To do serious work

requires some simple modifications to the camera. These

modifications include replacing the stock filter slide with a filter

wheel (or turret), and adding a simple thermoelectric cooler (TEC).

With these modifications, the DSI Pro (and DSI Pro-II) provide the

means to do professional-level astronomical photometry with a

modest telescope, even in a light-polluted suburban location. This

chapter describes these modifications and what is needed to do

BVRI CCD photometry with the camera.

Figure A-1. Modified DSI Pro CCD Camera and Filter Turret

on Meade 12 inch (30.5 cm) LX200 GPS Telescope at HPO.

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Meade Image Processing Especificaciones Pagina 43