More M21 (original) (raw)
Open cluster M21 as photographed by Jan Wisniewski. This image was taken on July 9, 1999 from Sooke, BC using Cookbook 245 LDC CCD camera on unguided Ultima 8 f/6.3 telescope. It is composed of W (8 x 1 min.) and CMY (4 x 1 min.) integrations processed with Multi245, AIP245, QColor as well as PhotoPaint 8.
Hartmut Frommert
Christine Kronberg
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Last Modification: October 11, 2000