PROBLEM TO BE SOLVED: To solve the problem in which a starry sky sheet used for a starry sky reproduction device for reproducing a starry sky used for astronomical education, in particular, the starry sky sheet used for the starry sky reproduction device capable of performing not only macroscopical observation by binocular and telescope but also capable of performing observation experiences such as photographic observation using a camera needs to laminate a plurality of sheets for reproducing different grade stars, and therefore the production work is complicated.;SOLUTION: A starry sheet according to the present invention includes a light extinction sheet (1) changing in light extinction rate according to the thickness through which light passes, and the light extinction sheet (1) is formed with a plurality of recesses (2) having a different depth below the thickness of the sheet according to the grade of the reproduced star.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT
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