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Ngc 7635 Bubble Nebula
R.C. GSO 10" - APOGEE U9
L blending H - OIII:R blending H:G blending OIII: B blending OIII - H20%
L=60' bin 1x1 - H=5h bin 1x1  - OIII=6h bin 2x2 - R=40' bin 2x2 - G=40' bin 2x2 - B=40' bin 2x2
no dark and no flat for bin 1x1 - image cropped