Wide field view including the Crescent nebulab and the Soap Bubble Nebula PN G75.5+1.7 in the centre of the image. Five and a half hours of H-alpha + OIII data captured with AstroDMx Capture through a William Optics 81mm APO refractor fitted with a ZWO EAF focuser, an 0.8 reducer/flattener, an Altair magnetic filter holder v2 containing either a 7nm H-alpha filter or a 6nm OIII filter, a manual camera rotator and an SV605MC cooled monochrome, 14 bit CMOS camera. The equipment was mounted on a Celestron AVX mount. An SVBONY SV165 guide scope with a QHY-5II-M guide camera was used for guiding.
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The Crescent and Soap Bubble nebulae HOO palette
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