(Click to enlarge) IC1805 Bicolor (Ha + OIII) Preview Ha: 40 x 600s OIII: 31 x 600s Williams Optics 66 SD + 0.8x reducer (320mm) SXV-H9 CCD Baader Ha and OIII filters
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(Click to enlarge) IC1805 Bicolor (Ha + OIII) Preview Ha: 40 x 600s OIII: 31 x 600s Williams Optics 66 SD + 0.8x reducer (320mm) SXV-H9 CCD Baader Ha and OIII filters
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