Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  IC 2986  ·  M 101  ·  NGC 5457
M101 low in the sky, Robin Clark - EAA imager
M101 low in the sky
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M101 low in the sky

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
M101 low in the sky, Robin Clark - EAA imager
M101 low in the sky
Powered byPixInsight

M101 low in the sky

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

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Description

Using Night Owl reducer at 29mm spacing (sensor to reducer shoulder) for comparison. SharpCap live stacking with master flat and master dark; no post processing or guiding.

With my 1600 camera, I used an ROI of 3344x2534 to match the sensor size of the 183 camera.

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Sky plot

Sky plot

Histogram

M101 low in the sky, Robin Clark - EAA imager