(Click to enlarge) Jones-Emberson 1 SXV-H9 Baader Ha (7nm) 60 x 5 min AT6RC + AP 0.67x reducer (880mm) Orion Sirius (belt mod) My subexposures were too short to reach optimal S/N when stacking - held to 300s due to flexure between guidescope and main OTA. I have a script for Maxim to move guide star to compensate for flexure I will try next time to get longer subs. | Jones-Emberson 1 SXV-H9 Baader Ha (7nm) 60 x 5 min AT6RC + AP 0.67x reducer (880mm) Orion Sirius (belt mod) My subexposures were too short to reach optimal S/N when stacking - held to 300s due to flexure between guidescope and main OTA. I have a s
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