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astronomy (Page 4)

LUWD #0062 The Running of the Marathon

2021-03-09
By: Donald Machholz
On: March 9, 2021

This weekend, March 13/14 the moon is new, and so it will not interfere with the marathon. – Don MachholzListen Now

LUWD #0060 Universal Time is for Everyone

2021-02-23
By: Donald Machholz
On: February 23, 2021

How can you determine Universal Time? One way is to call Greenwich and ask them what time it is there. – DON MACHHOLZListen Now

LUWD #0059 Tranquility Base Here

2021-02-16
By: Donald Machholz
On: February 16, 2021

Then some smart-aleck says: “I thought Tranquility base was a Hollywood soundstage” – DON MACHHOLZListen Now

LUWD #0058 This Week’s Headliner is Canis Minor

2021-02-09
By: Donald Machholz
On: February 9, 2021

Canis Minor, is a famous old-timer. It is trying, to stay up with Orion. – DON MACHHOLZListen Now

LUWD #0056 The Winter Milky Way

2021-01-26
By: Donald Machholz
On: January 26, 2021

https://www.youtube.com/watch?v=ae5rnul_2pk&t=271s All they need to do is meow. – DON MACHHOLZListen Now

LUWD #0055 Be A Copernicus Crater Investigator

2021-01-19
By: Donald Machholz
On: January 19, 2021

Time spent looking at the moon is never wasted time. – DON MACHHOLZListen Now

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Comet Hunters Astronomers Explorers

Testing StarChair 3000
Astronomy Meme 2019
Talk at East Valley Astronomy Club – Arizona Circa 2019
Don Machholz Circa 1985
Comet Discoverer Card Circa 1983
Don Machholz, Rodney Austin, and Doug Berger in New Zealand for Halley’s Comet, April 1986
Don Machholz
Howard Brewington and Don Machholz Circa 2015
Dave Seargent, Don Machholz, Patrick Stonehouse, Keith Tritton, Alan Hale, Doug Biesecker, George Alcock, Bill Liller, Michael Jäger, Kesao Takamizawa and Kazimieras Cernis
IAU Comet Confirmation
Don Machholz
Don Machholz
Media Comet Machholz Circa 2005
David Levy, Jean Mueller, Don Machholz, Alan Hale
My Parents, Doris Machholz and Donald Machholz, Sr. Circa 2014
Don Machholz and Jean Mueller
Homemade 5″ binoculars, weighing about 150 lbs and 10-inch reflector on an English Yoke mount
Dr Brian Marsden with Don Machholz at the location from where I found my second comet in 1985 Circa 1991
Podcast Host Don Machholz Circa 2020
Astronomy Conference Badges from the 1970’s and 1980’s
Don Machholz Circa 2012
Don Machholz

Stargazer Arizona Observatory

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error: © 1978–2026 Donald Machholz. All rights reserved. Rights administered by the Estate of Donald Machholz. This website contains original expressive works created by Donald Machholz beginning in 1978, including written materials, observational logs, charts, photographs, illustrations, and related works. These materials were created prior to and independent of their later online publication. No part of this site may be reproduced, distributed, or transmitted without prior written permission, except as permitted under applicable law.