Author Archives: ST Editors

Minutes of the April 6, 2021 AAAP Board of Trustees meeting (online)

Posted on April 29, 2021 by ST Editors

by John Miller, Secretary ● Director Rex Parker opened the Zoom meeting at 7:30 P.M. ● The agenda included:            * Calling for a slate of Trustee candidates for 2021-2022.            * Observatory policies for the upcoming season.            * … Continue reading →

Posted in May 2021, Sidereal Times | Tagged , , , | Leave a comment

Snippets

Posted on April 29, 2021 by ST Editors

compiled by Arlene & David Kaplan How NASA’s Roman Space Telescope Will Uncover Lonesome Black Holes NASA’s Nancy Grace Roman Space Telescope will provide an unprecedented window into the infrared universe when it launches in the mid-2020s. One of the … Continue reading →

Posted in April 2021, Sidereal Times | Tagged , | Leave a comment

From the Director

Posted on April 1, 2021 by ST Editors

Next meeting by Zoom on April 13 at 7:30pm.  While we won’t get together in person at Princeton’s Peyton Hall for meetings this spring, recent vaccination progress gives hope that it may be possible next fall.  For now AAAP will … Continue reading →

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From the Program Director

Posted on April 1, 2021 by ST Editors

by Victor Davis The April 2021 meeting of the AAAP will take place (virtually) on Tuesday, April 13th at 7:30 PM. (See How to Join the April Meeting below for details). This meeting is open to AAAP members and the … Continue reading →

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Minutes from the March 9, 2021 Members General Meeting (Online)

Posted on April 1, 2021 by ST Editors

by John Miller, Secretary ●  The meeting convened at 7:30 PM via Zoom and Yahoo (online).  There were initially about 52 Zoom attendees. ●  Rex Parker briefly reviewed “Galaxy Season” as seen from our latitude. He included a few Parker … Continue reading →

Posted in April 2021, Sidereal Times | Tagged , , , | Leave a comment

John Herschel and his Lens Designs

Posted on April 1, 2021 by ST Editors

by John Church Charles Hastings once wrote that the lens which is now on our Hastings-Byrne refractor was similar in design to the types described by John Herschel (1792-1871). He also mentioned that such lenses do not greatly differ from … Continue reading →

Posted in April 2021, Sidereal Times | Tagged , , | 1 Comment

Snippets

Posted on April 1, 2021 by ST Editors

compiled by Arlene & David Kaplan The Most Intimate Portrait Yet of a Black HoleThe Event Horizon Telescope collaboration, an international team of radio astronomers that has been staring down the throat of a giant black hole for years, on … Continue reading →

Posted in April 2021, Sidereal Times | Tagged , | Leave a comment

From the Director

Posted on February 28, 2021 by ST Editors

Next meeting by Zoom on March 09 at 7:30pm.  The recurring dream of getting together for astronomy in Princeton’s Peyton Hall hasn’t faded, but again this month and for the rest of this season AAAP will meet virtually via Zoom.  … Continue reading →

Posted in March 2021, Sidereal Times | Tagged , | Leave a comment

From the Program Director

Posted on February 28, 2021 by ST Editors

by Victor Davis The March 2021 meeting of the AAAP will take place (virtually) on Tuesday, 9th at 7:30 PM. (See Joining the Meeting with Zoom below for details). This meeting is open to AAAP members and the general public. … Continue reading →

Posted in March 2021, Sidereal Times | Tagged , , | Leave a comment

Minutes of the February 9, 2021 General Meeting (Online)

Posted on February 28, 2021 by ST Editors

by John Miller, Secretary The meeting convened at 7:30 PM via Zoom. ●  Rex Parker announced the Washington Crossing State Park gave permission to proceed   with the WC Observatory support columns repair.  ●  The monthly Member Meeting is now being … Continue reading →

Posted in March 2021, Sidereal Times | Tagged , | Leave a comment

How Did Hastings Design Our Objective? Part Two

Posted on February 28, 2021 by ST Editors

by John Church Objectives for smaller telescopes are sometimes designed to conform to the “Herschel condition” proposed by John Herschel in two papers in the early 1820’s.  These objectives perform well at nearby distances as well as on celestial objects … Continue reading →

Posted in March 2021, Sidereal Times | Tagged , | Leave a comment

“Sky at Night” on Mars from the BBC

Posted on February 28, 2021 by ST Editors

by Richard Sherman Late last year, I subscribed to the BBC’s Sky at Night magazine, which is available in the USA in both print and digital editions. There is a 2-for-1 sale ongoing now where you can get two years … Continue reading →

Posted in March 2021, Sidereal Times | Tagged , | Leave a comment

Razvan D Ionescu, our newest member introduces himself

Posted on February 28, 2021 by ST Editors

I am a financial services professional, father of three school age children, residing in Newtown PA. Growing up in Romania in the 1980s, for me looking at the Milky Way was a daily occurrence in late summer evenings. I miss that, so … Continue reading →

Posted in March 2021, Sidereal Times | Tagged , | Leave a comment