Exposure and processing: Dither guiding, dark & flat calibration, stack, deconvolution, color, stretch, noise removal.
Click on image for full size version (4116KB)
This is a test image for the Svbony 503 80mm F7 with TS-Flat2 1x field flattener.
There is residual tilt.
Corners in the raw stack (applied gradient removal)
Notice elongated stars at right.
Zoom to NGC5566
Zoom to NGC5576
