NGC 2158 CentaurusA
resolution: 1200 x 800 pix and 2184 x 1472 pix
camera:
ST10xme
optic:
20” Cassegrain f/3
exposure time
LRGB (astronomik) 30/6/6/6min (L 1bin RGB 2bin)
(back)
its a short testimage with the new teleskope without flatthe focus is also not very good
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