Hello Dragan,
Can you explain just how you go about making such a sketch? Was this done on a digital notepad of some sort?
May I ask you to go to the message concerning Eastern Veil Nebula, NGC 6992 / 95, where Howard ask me the same question, and where is my answer.
Clear Skies
Bertrand
http://www.deepsky-drawings.com/dsdlang/en/