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The 365 Days of Astronomy

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The 365 Days of Astronomy
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  • The 365 Days of Astronomy

    Actual Astronomy - The Observer's Calendar for March 2026

    05/03/2026 | 32 mins.
    Episode 524.
    Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. [email protected]
    This month we talk about another Comet, colorful doubles, Mira at maximum. We also have one of the brightest clusters in the skies, the Beehive, well placed while the Moon meets with Antares then Regulus.
     
    End of Feb. beginning of March Comet C/2024 E1 Wierzchos 6th – 7th magnitude
    Mar 1 – Struve 1183 Monoceros – Colorful Double
    Mar 2 – Regulus .4° S of Moon
    Mar 3 – Full Moon & Lunar Eclipse for Western NA, 5:30am here in Regina.
    - 5 Lynx colorful double star
    Mar 5 – Zodiacal Light as we get into the new moon, seen in W after dark.
    Mar 7 – Long Period Variable Star Mira at Max
    - Carbon Star Y Hydra best, low in the south.
    Mar 8 – daylight saving time begins at 3am
    Mar 9  – M44 & M67 well placed this evening.
    Mar 10 – Antares 0.7° N of Moon
    Mar 11 – Last quarter Moon & Gegenschein high in S at midnight
    - Two shadows visible on Jupiter Mar 11/12th but below horizon for us
    - NGC 2683 well placed
    Mar 12 Lunar Curtis X visible
    - NGC 2775 well placed
    Mar 13 – M93 well placed
    Mar 14 – M46/M47 well placed
    - Comet 29P/Schwassman-Wachmann M=15?
    Mar 15 – Spot Capella unaided eye before sunset this week
    - NGC 2477 well placed
    Mar 18 – New Moon
    Mar 19 – Young Crescent Moon in west after sunset
    Mar 20 – Spring Equinox
    - Carbon Star V Ophiuchi best in pre-dawn
    Mar 21 – Asteroid 20 Massalia at opposition M=8.9:
    20 Massalia is a stony asteroid and the parent body of the Massalia family located in the inner region of the asteroid belt, approximately 145 kilometers (90 miles) in diameter. Discovered by Italian astronomer Annibale de Gasparis on 19 September 1852, it was named for the Latin name of the French city of Marseille, from which the independent discover Jean Chacornac sighted it the following night. It was the first asteroid that was not assigned an iconic symbol by its discoverer.
    Mar 23 – Carbon star S Scuti best in pre-dawn
    Mar 25 – First Quarter Moon
    - Lunar X near crater Werner visible 
    - Lunar straight wall visible
    - Asteroid 15 Eunomia at opposition:
    15 Eunomia is a very large asteroid located in the middle of the asteroid belt. It is the largest of the stony (S-type) asteroids and is estimated to contain approximately 1% of the total mass of the entire asteroid belt. 
    Key Facts and Discovery:
    - Discovery: It was discovered on July 29, 1851, by the Italian astronomer Annibale de Gasparis.
    - Naming: Named after Eunomia, a Greek goddess (one of the Horae) who personifies order and law.
    - Classification: It is the largest member of the Eunomia family, a group of S-type asteroids that likely originated from the same parent body after a massive collision. 
    Mar 26 – Jupiter 4° S of Moon
    Mar 27 – Longomontanus Ray visible on moon
    - Iota Cancri colorful double star, named Yuyu on Feb 22, 2026!
    Mar 28 – Jeweled Handle Visible on Moon
    Mar 29 – Regulus 4° S of Moon
     
    We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
    Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!
    Share the podcast with your friends and send the Patreon link to them too! 
    Every bit helps! Thank you!
    ------------------------------------
    Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
    http://cosmoquest.org/Donate This show is made possible through your donations. 
    Thank you! (Haven't donated? It's not too late! Just click!)
    ------------------------------------
    The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
    Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
  • The 365 Days of Astronomy

    Awesome Astronomy - Vanishing Stars & Invisible Galaxies

    04/03/2026 | 1h 2 mins.
    Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. 
    Damien Phillips, John Wildridge and Dustin Ruoff produce.
    March episode part 1.
    This month it is the curious case of a vanishing star and galaxies that shine no light…plus our monthly skyguide and Jeni has a blocked drain!
    Also: https://www.almaobservatory.org/en/press-releases/alma-creates-largest-ever-image-of-the-milky-ways-core/
     
    We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
    Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!
    Share the podcast with your friends and send the Patreon link to them too! 
    Every bit helps! Thank you!
    ------------------------------------
    Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
    http://cosmoquest.org/Donate This show is made possible through your donations. 
    Thank you! (Haven't donated? It's not too late! Just click!)
    ------------------------------------
    The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
    Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
  • The 365 Days of Astronomy

    Ask A Spaceman Ep. 267: Is the Universe Older than We Think?

    03/03/2026 | 29 mins.
    Hosted by Dr. Paul M. Sutter.
    How can anyone agree on the age of the Universe? And how can we be so confident if it's all just a bunch of models? What if the Universe is extra lumpy, does that change anything? I discuss these questions and more in today's Ask a Spaceman!
     
    Support the show: http://www.patreon.com/pmsutter
    All episodes: http://www.AskASpaceman.com
    Watch on YouTube: http://www.youtube.com/PaulMSutter
    Read a book: https://www.pmsutter.com/books
     
    Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!
     
    Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, Lisa R, Kevin B, Aileen G, Steven W, Deb A, Michael J, Phillip L, Steven B, Mark R, Alan B, Craig B, Richard K, Joe R, David P, Justin, Tracy F, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Bob C, Stephen A, James R, Allen E, Michael S, Reinaldo A, Sheryl, David W, Chris, Michael S, Erlend A, James D, Karl W, Den K, Edward K, Scott K, Vivek D, Jennifer D, Barbara C, Brad, Azra K, Steve R, Koen G, Scott N, and M D Malahy!
     
    We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
    Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!
    Share the podcast with your friends and send the Patreon link to them too! 
    Every bit helps! Thank you!
    ------------------------------------
    Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
    http://cosmoquest.org/Donate This show is made possible through your donations. 
    Thank you! (Haven't donated? It's not too late! Just click!)
    ------------------------------------
    The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
    Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
  • The 365 Days of Astronomy

    Astronomy Cast Ep. 784: Pulsar-Powered Science

    02/03/2026 | 34 mins.
    Off label uses for Pulsars…
    https://www.youtube.com/watch?v=4XMJBiJao6M
    Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest)
    Streamed live on Feb 16, 2026.
    Pulsars are dead stars and fascinating in their own right, but astronomers can use their predictable rotation for exploring the cosmos in a series of amazing ways. We can detect gravitational waves, navigate the solar system, test general relativity and find exoplanets. Pulsars are the time keepers of the sky, with their precise ticking allowing researchers to track gravitational waves, find exotic planets, and study weird relativistic effects. Come learn about how pulsars can be used to explore our universe.
    Image credit: NASA/CXC/ASU/J. Hester et al., HST/ASU/J. Hester et al.
     
    This show is supported through people like you on Patreon.com/AstronomyCast 
    In this episode, we'd like to thank: Burry Gowen, Eric Lee, Jeanette Wink, Michael Purcell, Andrew Poelstra, David, David Rossetter, Ed, Gerhard Schwarzer, Jason Kwong, Joe McTee, Sergey Manouilov, Siggi Kemmler, Sergio Sancevero
     
    We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
    Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!
    Share the podcast with your friends and send the Patreon link to them too! 
    Every bit helps! Thank you!
    ------------------------------------
    Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
    http://cosmoquest.org/Donate This show is made possible through your donations. 
    Thank you! (Haven't donated? It's not too late! Just click!)
    ------------------------------------
    The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
    Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
  • The 365 Days of Astronomy

    Travelers in the Night Eps. 859 & 860: Powerful Solar Storm & World's Largest Solar Telescope

    01/03/2026 | 6 mins.
    Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org
    From July & August 2025.
    Today's 2 topics:
    - After the Earth the Sun is the most important object for human beings in the Universe.  It is the energy source which produces our food and is the source for all of the energy and motion around us except for geothermal and nuclear energy sources. The Sun is normally well behaved the exception being solar storms which can dump incredible amounts of energy onto the Earth. Scientists are working hard to understand solar super storms to enable humans to mitigate the trillions of dollars damage one could cause to our modern electronic technology.
     
    - The US National Science Foundation's Daniel K. Inouye Solar Telescope is the worlds largest solar telescope. It is perched 10,000 feet  above sea level on the top of Haleakalā on the Hawaiian island Maui.   Its location and 4 meter mirror enables the Inouye to see details in the solar atmosphere as small in diameter as the island of Manhattan. 3D maps of the solar atmosphere produced by the Inouye's new Visible Tunable Filter will enable humans to put their equipment into a safe mode when necessary.
     
    We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
    Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!
    Share the podcast with your friends and send the Patreon link to them too! 
    Every bit helps! Thank you!
    ------------------------------------
    Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
    http://cosmoquest.org/Donate This show is made possible through your donations. 
    Thank you! (Haven't donated? It's not too late! Just click!)
    ------------------------------------
    The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
    Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].

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About The 365 Days of Astronomy

The 365 Days of Astronomy podcast launched in 2009 as part of the International Year of Astronomy. This community podcast continues to bring you day after day of content across the years. Everyday, a new voice, helping you see the universe we share in a new way. This show is managed by Avivah Yamani, edited by Richard Drumm. This podcast is funded through Patreon.com/CosmoQuestX and produced out of the Planetary Science Institute.
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