Donald Machholz in November 2017 2018 Edgar Wilson Award Harvard's Smithsonian Astrophysical Observatory for discovering Comet C/2018 V1 Machholz-Fujikawa-Iwamoto 2021 Leslie C. Peltier Award Astronomical League for the visual discovery of 12 comets and contributions to astronomy Books The Observing Guide to the Messier Marathon: A Handbook and Atlas Decade of Comets: A Study of the 33 Comets Discovered by Amateur Astronomers Between 1975 and 1984 An observer's guide to comet Hale-Bopp: Making the most of Comet Hale-Bopp: when and where to observe Comet Hale-Bopp and what to look for References General references Associated Press (June 16, 1985) "Amateur Astronomer Nails Down His Second Comet" Los Angeles Times Retrieved December 29, 2016 Jet Propulsion Laboratory (October 14, 1994) "MACHHOLZ'S BANNER YEAR" Jet Propulsion Laboratory Library of Congress (2002) "Machholz, Don 1952–" Library of Congress Joe Rao (September 17, 2004) "Newfound Comet Set for Winter Display" Space.com Debi Drake (May 22, 2005) "Meet The Comet Hunter: Don Machholz" American Profile AMG/Parade Alan MacRobert (December 2, 2008) "A Very Oddball Comet" Sky & Telescope Retrieved December 2, 2008 Jeanna Bryner (December 2, 2008) "Odd Comet Possibly from Another Star System" Space.com Roger W. Sinnott (March 27, 2010) "New Comet Machholz" Sky & Telescope Retrieved March 30, 2010. Brooks Hays (November 3, 2017) "SOHO Spacecraft Spots Comet Machholz 96P, A Return Visitor" UPI Gareth V. Williams (November 11, 2018) "MPEC 2018-V151: COMET C/2018 V1 (Machholz-Fujikawa-Iwamoto)" Minor Planet Center. Bob King (November 9, 2018) "Amateur Don Machholz Discovers His 12th Comet!" Sky & Telescope MPEC 2018-V151: COMET C/2018 V1 (Machholz-Fujikawa-Iwamoto) Bob King (November 11, 2018) Arizona Amateur Discovers New Dawn Comet — Here’s How To Find It Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto) Sky Charts and Coordinates JPL viewer NASA External links Don Machholz 1952 births 2022 deaths Deaths from the COVID-19 pandemic in Arizona Discoverers of comets 20th-century American astronomers People from Mohave County, Arizona 21st-century American astronomers Scientists from Arizona