Amateurs can now easily search for new supernovae, variable stars, and asteroids. Recently I discovered an unknown variable star near M27 on one of my CCD images. But even from urban locations we can use CCDs to observe the wonders of the night sky. He wishes to thank his firiend and amateur astronomer John W. Johnson for reviewing this article and assisting with its translation. Copyright of the publication is the property of the publisher and the text may not be copied without the express written permission of the publisher except for the inprint of the video screen content or via the print options of the software.
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