Dim & Dimmer

Banich, Howard
December 2007
Amateur Astronomy Magazine;Winter2007, Issue 56, p20
The author ponders on the practice of sketching astronomical observations. He mentions his involvement in the Dim and Dimmer program launched by the Oregon Star Party (OSP). He considers the advantages of making sketches of astronomical observations. He describes some of his astronomical sketches including the Abell 70 planetary nebula.


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