NGC 40 or Caldwell 2 or Bow-Tie (Vlinderdas) Nebula is a planetary nebula (magnitude 11) locaed in constellation Cepheus and about 3500ly away from Earth. NGC 40 is the first object of Herschel 400-list.
Setting : Nikon D7500 and TLAPO80/480 f/6. ISO 3200, lights 16x60s, darks 5x60s. Stacking using AstroPixelProcessor (APP) and cropping and final editing with CS4 (Tiff16 to Jpeg).
