Table of Contents
Editor's Foreword 8
Preface 13
About Time 14
Using the Yearbook of Astronomy as an Observing Guide 16
The Monthly Star Charts
Northern Hemisphere Star Charts David Harper 27
Southern Hemisphere Star Charts David Harper 53
The Planets in 2023 Lynne Marie Stockman 78
Mars - January 2023 to August 2023 81
Jupiter -January 2023 to December 2023 82
Saturn - January 2023 to December 2023 83
Uranus - January 2023 to December 2023 84
Neptune - January 2023 to December 2023 85
Phases - of the Moon in 2023 86
Eclipses in 2023 87
Some Events in 2023 89
Monthly Sky Notes and Articles 2023
Evening Apparition of Venus - October 2022 to August 2023 96
Monthly Sky Notes January 97
Graduate Students and the Nobel Prize David M. Harland 100
Monthly Sky Notes February 104
Giant Leaps for Small Change Carolyn Kennett 106
Monthly Sky Notes March 109
The Incomparable Sir Patrick Moore Neil Haggath 111
Monthly Sky Notes April 114
Biela's Comet: Life After Death? Neil Norman 116
Monthly Sky Notes May 119
Magnetars John McCue 121
Monthly Sky Notes June 125
Passion for the Stars: The Life and Legacy of William Tyler Olcott Richard H. Sanderson 127
Monthly Sky Notes July 132
A Man (and a Woman) on the Moon John McCue 135
Monthly Sky Notes August 138
Morning Apparition of Venus - August 2023 to June 2024 139
Shining a Light on Jupiter's Atmosphere Lynne Marie Stockman and David Harper 141
Monthly Sky Notes September 144
The Letter that Proved the Island Universe Theory David M. Harland 147
Monthly Sky Notes October 151
Diary of a Long Distance Pioneer Peter Rea 153
Monthly Sky Notes November 158
Did We Receive a Radio Signal from Proxima Centauri? David M. Harland 160
Monthly Sky Notes December 164
A Funny Thing Happened on the Way to Seattle David Harper 166
Comets in 2023 Neil Norman 169
Minor Planets in 2023 Neil Norman 175
Meteor Showers in 2023 Neil Norman 180
Article Section
Recent Advances in Astronomy Rod Mine 189
Recent Advances in Solar System Exploration Peter Rea 196
Anniversaries in 2023 Neil Haggath 206
Betelgeuse Trade Heywood 212
Optical SETI at Harvard David M. Harland 218
A Brief History of the End of the Universe David Harper 228
The Evolution of "Multi-Pixel" Radio Telescopes Rod Hine 237
Mission to Mars: Countdown to Building a Brave New World: The Bare Necessities of Life Martin Braddock 243
The Ability to Believe: Bizarre Worlds of Astronomical Antireality Neil Haggath 251
The Astronomers' Stars: Life in the Fast Lane Lynne Marie Stockman 258
Elijah Hinsdale Burritt: Geographer of the Heavens Richard H. Sanderson 269
The Future of Spaceflight Andrew P. B. Lound 276
Male Family Mentors for Women in Astronomy: Caroline and William Herschel Mary McIntyre 283
The Closing of Historic Observatories Harold A. McAlister 290
Miscellaneous
Some Interesting Variable Stars Trade Heywood 301
Some Interesting Double Stars Brian Jones 313
Some Interesting Nebulae, Star Clusters and Galaxies Brian Jones 316
Astronomical Organizations 318
Our Contributors 323
Society for the History of Astronomy (Advertisement) 328
Friends of the Royal Astronomical Society (Advertisement) 329
The Planetary Society (Advertisement) 330
British Astronomical Association (Advertisement) 331
Royal Astronomical Society of New Zealand (Advertisement) 332
Society for Popular Astronomy (Advertisement) 333
American Association of Variable Star Observers (Advertisement) 334
The Commission for Dark Skies (Advertisement) 335
The Federation of Astronomical Societies (Advertisement) 336