Astronomical sketching : a step-by-step introduction by Richard Handy; et al

By Richard Handy; et al

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Extra resources for Astronomical sketching : a step-by-step introduction

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The dowels were then inserted into the tray holes. The metal bar that arcs over the top of the ladder forms the backing for the sketch board. I put my drawing kit in a cardboard tray taped to the top step. 2. Note that half the masking tape’s 2″ width overlaps the paper edges. 4 black border around the periphery of the drawing after the tape is removed. You can also use this taped border to jot down your sketch data: date, time session starts and ends, telescope size, and so forth. Just remember to transfer the data to a log entry sheet or write it on the back of the sketch so you do not lose it when the tape is peeled off.

Red lights can sometimes project irregularly lit patterns onto your sketch. 1) This can be very distracting when you are trying to sketch a faint object. 2) is to place a strip of masking tape over the lens of the flashlight. I have found that opening the flashlight up and placing a piece of wax Sketching Comets 43 paper behind the lens also works very well. Having a dimmer switch on your red flashlight is very important. When sketching, you must endeavor to keep the light turned down as much as possible.

3. The dashed circle represents how I visualized this diameter on the sketch. Step 4: Sketching the first layer of the coma With the size and profi le of the coma in mind, lightly load your blending stump with graphite (see Using a Blending Stump on page 153). Take the blending stump and begin swirling it lightly, starting at the point you marked in Step 2. Using a delicate circular motion, proceed outward from the center to define the coma’s visible diameter. 4) As you approach the outer edge of the coma, decrease the pressure on the blending stump to the lightest possible touch.

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