


\documentclass{standalone}
\usepackage{tgbonum}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{tikz}
\usetikzlibrary{calc,decorations.pathmorphing}
\pgfdeclareradialshading{star}{\pgfpointorigin}
{color(0mm)=(pgftransparent!0);color(1mm)=(pgftransparent!30);color(3mm)=(pgftransparent!60);
 color(7mm)=(pgftransparent!80);color(12.5mm)=(pgftransparent!100)}
\pgfdeclareradialshading{star1}{\pgfpointorigin}{color(0mm)=(pgftransparent!40);
 color(1mm)=(pgftransparent!90);color(2mm)=(pgftransparent!100)}
\pgfdeclareradialshading{inverse}{\pgfpointorigin}
{color(0mm)=(pgftransparent!0);color(3mm)=(pgftransparent!0);
 color(4mm)=(pgftransparent!10);color(15mm)=(pgftransparent!60);color(25mm)=(pgftransparent!100)}
\pgfdeclareradialshading{center}{\pgfpointorigin}
{color(0mm)=(pgftransparent!60);color(5mm)=(pgftransparent!70);
 color(12mm)=(pgftransparent!80);color(28mm)=(pgftransparent!100)}
\pgfdeclarefading{fstar}{\pgfuseshading{star}}
\pgfdeclarefading{fstar1}{\pgfuseshading{star1}}
\pgfdeclarefading{finverse}{\pgfuseshading{inverse}}
\pgfdeclarefading{fcenter}{\pgfuseshading{center}}
\definecolor{COLOR}{rgb}{0,.0,0}
\def\x{0.05}
\def\dx{0}\def\dy{-1}\def\Dx{32}\def\Dy{-15}

\newcommand{\starprint}[1]{
\newdimen\x\newdimen\y
\pgfextractx{\x}{\pgfpointanchor{#1}{center}}
\pgfextracty{\y}{\pgfpointanchor{#1}{center}}
 \pgfsetfading{finverse}{\pgftransformshift{\pgfpoint{\x}{\y}}};
  \fill[COLOR] (\dx,\dy) rectangle (\Dx,\Dy);
  \pgfsetfading{fstar}{\pgftransformshift{\pgfpoint{\x}{\y}}};
  \fill[green] (\dx,\dy) rectangle (\Dx,\Dy);
}
\begin{document}
\begin{tikzpicture}
\fill[COLOR](\dx,\dy) rectangle (\Dx,\Dy);

\coordinate(ID)at (300*\x,-270*\x);
\coordinate(Alkaid)at (34*\x,-131*\x){};
\coordinate(Mizar)at (176*\x,-73*\x){};
\coordinate(Alcor)at (172*\x,-70*\x){};
\newdimen\Alcorx\newdimen\Alcory
\pgfextractx{\Alcorx}{\pgfpointanchor{Alcor}{center}}
\pgfextracty{\Alcory}{\pgfpointanchor{Alcor}{center}}
\coordinate(Alioth)at (270*\x,-98*\x){};
\coordinate(Megrez)at (387*\x,-117*\x){};
\coordinate(Phecda)at (430*\x,-203*\x){};
\coordinate(Merak)at (600*\x,-166*\x){};
\coordinate(Dubhe)at (600*\x,-49*\x){};
\coordinate(Center)at ($0.25*(Phecda)+0.25*(Dubhe)+0.25*(Merak)+0.25*(Megrez)$);
\newdimen\Centerx\newdimen\Centery
\pgfextractx{\Centerx}{\pgfpointanchor{Center}{center}}
\pgfextracty{\Centery}{\pgfpointanchor{Center}{center}}

\draw[green!80!white,line width=1.1pt]
  (Alkaid)--(Mizar)--(Alioth)--(Megrez)--(Phecda)--(Merak)--(Dubhe)--(Megrez);
\begin{scope}
\node [scale=6,transform shape,opacity=0.65](cos) at (Center)
{\color{green}$\vdash$};
{\pgfsetfading{fcenter}{\pgftransformshift{\pgfpoint{\Centerx-7}{\Centery}}}};
\fill[green,opacity=0.9] (\dx,\dy) rectangle (\Dx,\Dy);
\foreach \name in {Alkaid,Mizar,Alioth,Megrez,Phecda,Merak,Dubhe} {\starprint{\name}}
\pgfsetfading{fstar1}{\pgftransformshift{\pgfpoint{\Alcorx}{\Alcory}}};
\fill[green] (\dx,\dy) rectangle (\Dx,\Dy);
\end{scope}
%\node[scale=5,transform shape,opacity=0.7](cos) at (ID)
%{\fontfamily{qcr}\selectfont\color{green}Karol P\k{a}k, PhD};
\end{tikzpicture}
\end{document}
%Copyright by Karol P\k{a}k 