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this is from a 6x7 SMC Pentax 200mm f/4 lens used with an FLI CM10 camera
with a Baader 50mm x 50mm Square Halpha filter in an FLI CFW4-5 filter wheel with FLI PDF focuser http://www.narrowbandimaging.com/sh2...sq_ha_page.htm it is a total of 16 x 20 minutes or 5h 20m |
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