The Autumn 2019 issue of the digital Journal of the Assn of Lunar & Planetary Observers (JALPO61-4) is now available for downloading!
Journal of the Association of
Lunar & Planetary Observers

The Strolling Astronomer

In this issue:

  • A great write-up about this issue’s cover, a most striking image of the Perseids meteor shower.
  • Notice of our need for a new Jupiter Section coordinator.
  • The as-usual pretty comprehensive look at the goings-on “Inside the ALPO” sections and programs.
  • The official minutes of the board meeting in Barnesville, Georgia, Friday, July 12, 2019.
  • Book review: “Celestial Shadows: Eclipses, Transits and Occultations” authored by John Westfall & Bill Sheehan.
  • A report by Rik Hill on solar Carrington Rotations 2210 through 2215.
  • A report by Richard Schmude on “J and H filter Brightness Measurements of Mars in 2015-2017”.
  • A short paper by Roger Venable on “Using an IR Blocking Filter When Observing Mars”.
  • Republication of a most inspiring paper that formerly appeared in The Minor Planet Bulletin “Visual Observations of the Minor Planets”.
  • Another report in John Westfall’s series, “Timing Jupiter’s Satellite Eclipses: The 2012-2013 Apparition”.
  • A report by Julius Benton summarizing ALPO observations of Saturn during the 2014 - 2015 apparition.
These reports and those who produce and contribute to them are what make our organization so vital to observational solar system astronomy. We should be proud of the work we do.

Use the various e-mail addresses, bookmarks and other hyperlinks (in blue text) throughout this issue to instantly e-mail authors and ALPO staff members PLUS instantly jump to various online sites named throughout the issue.

As always, this issue requires the free utility Adobe Reader (Version 7.0 or higher) available at
www.adobe.com

To access earlier digital issues of our Journal back to Issue 1, go to our homepage at www.alpo-astronomy.org, then click on the “ALPO Section Galleries” link near the top-right corner of the screen, then click on the “Publications Section” icon, then the “ALPO Journals” icon, then finally the icon for the desired volume and year. Afterwards, choose the specific “Strolling Astronomer”.

For information on becoming an ALPO member, please contact the ALPO membership secretary at matt.will@alpo-astronomy.org

The ALPO thanks Sky & Telescope magazine (and its new owner, the American Astronomical Society) for its continued support of the ALPO with its outer back cover ad. We also urge our readers to support ALL of our other advertisers including the maker of both the Catseye Collimation System and Catsperch Observing Chairs and also our newest advertisers, Celestron, Sirius Astro Products and John Harrington, whose new e-book Shallow Sky: Imaging Our Solar System with the Masters is now available from both Amazon and Apple Books.

Please patronize these good folks in return for their support of us.

To download this Journal pdf file, simply click on this link, then follow the prompts to enter your e-mail address and ALPO membership number (found in a mailing to you from the ALPO membership secretary and on your own ALPO membership card).

Downloads: 
http://alpo-astronomy.org/cgi/djalpo.cgi

-- Ken Poshedly
Editor & Publisher,
Journal of the Assn of Lunar & Planetary Observers
Atlanta, Georgia USA

Autumn 2019

Download your copy now!


*No passwords to remember – or forget.

*Live bookmarks and hyperlinks built in so you can navigate to in-book references and external online locations.

*Produced for you – the solar system astronomer.
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Copyright © 2019 by The Association of Lunar & Planetary Observers, All rights reserved.

Our mailing address is:
Assn of Lunar & Planetary Observers
c/o Matt Will
P.O. Box 13456
Springfield, Illinois 62791-3456
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