Helix Nebula screen shot using 3344x2534 ROI with Night Owl, Robin Clark - EAA imager

Helix Nebula screen shot using 3344x2534 ROI with Night Owl

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Helix Nebula screen shot using 3344x2534 ROI with Night Owl, Robin Clark - EAA imager

Helix Nebula screen shot using 3344x2534 ROI with Night Owl

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Description

Screenshot showing Helix Nebula during SharpCap live stacking with master flat and master dark. I used an ROI of 3344x2534 per Starizona's recommendation for using the Night Owl reducer with my ZWO 1600 color camera. The Night Owl is optimized for ZWO183 sensors (16mm diagonal or image circle) and smaller. Since my 1600 camera has a diagonal of 22mm, I used the ROI to match the size of the 183 sensor.

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