The Three Types of Astronomical Deep-Sky Sketches Identified and Explained

      The following classifications of the various types of deep-sky sketches are solely my opinion only….   

                 Detailed visual telescope sketching:  Observing an object through a telescope via an eyepiece. Drawing the object on paper or a sketch card “as verbatim” as possible using a pencil, or pencils of various hardness or other.   

     I’m a visual back yard observer with more than forty years of experience.  All of my sketches are made using a pencil and a 5 x 8 blank note card with a 3-inch circle.  I do not use paints, colored pencils or in anyway attempt to embellish my sketches.  

     Impression sketching:  A sketch made at the eyepiece, using a pencil, charcoal, or chalk and representing what the observer mentally perceives, without a great degree of scale or detail. 

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