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CHAPTER PAGE I General Survey
How to Take an Astronomical Photograph
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absorption adjustment amateur aperture apparatus astronomical bright star camera camera-back Celestial Celestial Equator Chapter clock trails color comet correct cross-wires curve dark room declination axis density determined diameter distance diurnal motion driving clock E. S. King edge emulsion enlargement equal equatorial equatorial star equatorially mounted eyepiece fainter stars field Figure film finder flexure focal length focus focussing gelatine give glass graduated grating guiding Harvard Harvard College Observatory Harvard Observatory hour angle hypo inches instrument lens lenses light magnitudes measure meridian meteor method minutes Moon mounted objective Observatory observer obtained photographic plate photometry pinhole camera placed plate holder polar axis Pole position prism record refracting telescope refraction scale screw Set the telescope shutter side sidereal slit solar solution spectra spectrum star images star trails stellar surface tele tion tube variable stars visual visual magnitude wedge