Bob Moler
mrephemeris.bsky.social
Bob Moler
@mrephemeris.bsky.social
Retired computer systems engineer, programmer; current amateur astronomer, volunteer radio program producer. Most posts point to my blog postings, which illustrate my short Ephemeris radio programs on astronomy and space.
Ephemeris: 02/16/2026 – The Dog Star
bobmoler.wordpress.com/2026/02/16/e...
February 16, 2026 at 7:06 AM
Ephemeris: 02/16/2026 – The Dog Star
bobmoler.wordpress.com/2026/02/16/e...
February 16, 2026 at 5:03 AM
Ephemeris: 02/13/2026 – The real cause of a planet's retrograde motion
bobmoler.wordpress.com/2026/02/13/e...
February 13, 2026 at 5:03 AM
Ephemeris: 02/11/2026 – Taking our weekly look at the whereabouts of the naked-eye planets
bobmoler.wordpress.com/2026/02/11/e...
February 11, 2026 at 5:49 AM
Ephemeris: 02/10/2026 – Artemis 2 is delayed until at least March
bobmoler.wordpress.com/2026/02/10/e...
February 10, 2026 at 5:02 AM
Ephemeris: 02/09/2026 – Orion's amazing belt stars
bobmoler.wordpress.com/2026/02/09/e...
February 9, 2026 at 5:03 AM
Ephemeris: 02/06/2026 – GTAS tonight, Annual Telescope Clinic
bobmoler.wordpress.com/2026/02/06/e...
February 6, 2026 at 5:02 AM
Ephemeris: 02/05/2026 – The celestial unicorn
bobmoler.wordpress.com/2026/02/05/e...
February 5, 2026 at 5:02 AM
Ephemeris: 02/04/2026 – Taking our weekly look at the whereabouts of the naked-eye planets
bobmoler.wordpress.com/2026/02/04/e...
February 4, 2026 at 6:34 AM
Ephemeris: 02/03/2026 – Canis Major, Orion's greater hunting dog
bobmoler.wordpress.com/2026/02/03/e...
February 3, 2026 at 5:12 AM
Ephemeris: 02/02/2026 – Groundhog Day's significance
bobmoler.wordpress.com/2026/02/02/e...
February 2, 2026 at 5:01 AM
Ephemeris: 01/30/2026 – Previewing February skies
bobmoler.wordpress.com/2026/01/30/e...
January 30, 2026 at 5:02 AM
Ephemeris: 01/29/2026 – After Artemis 2 comes Artemis 3 and the landing
bobmoler.wordpress.com/2026/01/29/e...
January 29, 2026 at 5:01 AM
Ephemeris: 01/28/2026 – Taking our weekly look at the whereabouts of the naked-eye planets
bobmoler.wordpress.com/2026/01/28/e...
January 28, 2026 at 5:03 AM
Ephemeris: 01/27/2026 – Orion's heat shield problem
bobmoler.wordpress.com/2026/01/27/e...
January 27, 2026 at 5:01 AM
Sorry guys, the Age of Enlightenment ended.
January 27, 2026 at 1:56 AM
Ephemeris: 01/26/2026 – Artemis, not just flags and footprints
bobmoler.wordpress.com/2026/01/26/e...
January 26, 2026 at 5:03 AM
Ephemeris: 01/23/2026 – The new space race
bobmoler.wordpress.com/2026/01/23/e...
January 23, 2026 at 5:01 AM
Ephemeris: Taking our weekly look at the whereabouts of the naked-eye planets
bobmoler.wordpress.com/2026/01/21/e...
January 21, 2026 at 5:54 AM
Ephemeris: 01/20/2026 – What's happening inside the Great Orion Nebula
bobmoler.wordpress.com/2026/01/20/e...
January 20, 2026 at 5:08 AM
Ephemeris: 01/19/2026 – Follow the drinkin' gourd!
bobmoler.wordpress.com/2026/01/19/e...
January 19, 2026 at 5:03 AM
Ephemeris: 01/16/2026 – Comparing Orion's two brightest stars
bobmoler.wordpress.com/2026/01/16/e...
January 16, 2026 at 5:02 AM
Ephemeris: 01/15/2026 – Orion's great cloud
bobmoler.wordpress.com/2026/01/15/e...
January 15, 2026 at 5:01 AM
Ephemeris: 01/14/2026 – Only two naked-eye planets are visible this week, both in the evening
bobmoler.wordpress.com/2026/01/14/e...
January 14, 2026 at 5:01 AM
Ephemeris: 01/13/2026 – Orion is too preoccupied to notice Lepus the hare
bobmoler.wordpress.com/2026/01/13/e...
January 13, 2026 at 5:08 AM