Denning, William F.  1848- <br/><br/>
Telescopic work for starlight evenings / 
William F. Denning. 
 - New York :  SNOVA,  2018. 
 - 310 p. :  ill. ;  26 cm. 
 - Space science, exploration and policies .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781536142303 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Observers' manuals.<br/>Meteors.<br/>Telescopes.