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IC1848 in H-Alpha


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I had been having problems with getting my flat frames to work with my H-Alpha integrations and produced this image of IC1848 in the process of working out what was going wrong.  It turned out that I had inadvertently taken the flat frames I was using at a different gain/offset to my light frames.  With the same gain/offset it has now worked.  This image represents 4.5 hours of 600s integrations under Bortle 5 skies taken with my QHY268M and TS Optics Photoline 130 APO on my Losmandy G11, using an Antlia Pro H-Alpha 3nm filter.  The data was gathered with SGPro and processed in PixInsight.  Constructive criticism always welcome 🙂


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