Chiaroscuro in Cygnus, the Butterfly Nebula (www.swiftsastro.com) Tags: astrophotography nebula stelle stars nebulosa astronomia astronomy astrofotografia takahashi fsq106 star astro astrodon fast cosmos dso deep space nebulosity nebulae sky skies universe textur texture cloud ederblad 214 ngc 7822 sharpless 171 sh2171 pillars creation sxvrh18 eq6 skywatcher mn190 starlight xpress emission cepheus best night hubble qhy5 phd baader deepspace moonrocks abstract surreal outdoor cavern cave neq6 gamma cyg butterfly narrowband vixen vsd100 astrograph