keyboardBlondie 43 Posted July 3, 2020 Crescent nebula 70mm skywatch refractor canon 1100d iso 3200 exposure : 2 X 20min sessions of 1sec frames Seems that nebulas with brightness around 13mag/arcmin^2 is scopes limit. At least in summer. Link to comment
keyboardBlondie 43 Posted July 4, 2020 put together all data i have on Crescent nebula - 63mins(1sec X ~3700) of exposure. When playing around in photoshop, it seems that right side of it is also visible, but super faint. Maybe with 2-3hrs of exposure it would be possible to get whole nebula. It seems that single frame exposure might be a bit longer as there are some very tiny details distinguishable when comparing to google images by putting them one over another. Link to comment
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