IC5070 Pelican Nebula.
I used a Meade 130APO, with a QHYCCD 268C mounted on a CGEM equator.
The Talbot effect is due to the application of the Hα OIII SII filter, plus the diffraction from IR glass at 1600mm focal length.
Published on QHY CCD, 268CFree to use under the Unsplash License