Orion SVP 6LT (6" f/8 Newt) || Orion XT8 (8" f/5.9 Dob) || 15x70 Oberwerk Binoculars || Coronado PST The Belt Of Venus || Sketch Gallery || Sketching Resources || Drawn to the Universe Column
I want to do more then just look.
Thomas Watson - Author of Mr. Olcott's Skies. Available in paperback and ebook formats. Weblog: Under Desert Stars
Parks Astrolight EQ6 (6" f/6 Newt)
10x50 Bushnell Binoculars
Visual deep sky 18" f4.3 David Lukehurst dob 8" f/6 Dark Star dob 8x42 binos 100% visual observing...
Quote:After the sketch has been scanned into the computer I flatten the field by increasing the brightness by 20%. This wasn't really necessary for this particular sketch, but if your scanner produces a band of shadow on half the image, or your page has been adversely affected by dew this is an effective way to eliminate these artifacts: