Latest Updates
Solar Photos
Sunspots May 4, 2026
Sunspots February 5, 2026
Sunspots December 8, 2025
Sunspots December 4, 2025
Sun Hydrogen Alpha November 5, 2025
Sunspots October 19, 2025
Sun Hydrogen Alpha August 4, 2024
Sun Hydrogen Alpha August 4, 2024
Sun Hydrogen Alpha July 25, 2024
Sun Hydrogen Alpha July 25, 2024
Sun Hydrogen Alpha July 23, 2024
Sun Hydrogen Alpha July 19, 2024
Sun Calcium-H July 19, 2024
Sunspots July 19, 2024
Sun Hydrogen Alpha July 6, 2024
Sun Hydrogen Alpha June 7, 2024
Sun Hydrogen Alpha May 10, 2024
Sunspots May 10, 2024
Sun Hydrogen Alpha April 21, 2024
Sun Hydrogen Alpha March 10, 2024
Sun Hydrogen Alpha March 2, 2024
Sun Calcium-H February 23, 2024
Sunspots February 23, 2024
Sun Hydrogen Alpha February 23, 2024
Sun Hydrogen Alpha February 18, 2024
Sun Hydrogen Alpha December 6, 2023
Lunar and Planetary Photos
Moon May 13, 2026
Jupiter March 21, 2026
Moon March 10, 2026
Jupiter February 16, 2026
Moon December 25, 2025
Moon December 9, 2025
Moon December 5, 2025
Moon November 27, 2025
Moon November 25, 2025
Moon November 15, 2025
Saturn November 12, 2025
Moon November 10, 2025
Jupiter November 6, 2025
Moon November 6, 2025
Saturn November 6, 2025
Saturn November 4, 2025
Moon October 31, 2025
Jupiter November 11, 2024
Saturn November 11, 2024
Mars September 1, 2024
Comet Photos
Comet ATLAS C/2025 K1 November 2, 2025
Comet SWAN C/2025 R2 October 31, 2025
Comet Wierzchos C/2024 E1 October 31, 2025
Comet Lemmon C/2025 A6 October 31, 2025
Comet SWAN C/2025 R2 October 23, 2025
Comet Lemmon C/2025 A6 October 23, 2025
Comet Tsuchinshan-ATLAS C/2023 A3 October 23, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 20, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 20, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 18, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 16, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 15, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 14, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 October 2, 2024
Comet Tsuchinshan-ATLAS C/2023 A3 September 29, 2024
Comet NEOWISE July 21, 2020
Comet NEOWISE July 18, 2020
Comet NEOWISE July 15, 2020
Comet NEOWISE July 15, 2020
Comet NEOWISE July 13, 2020
Comet NEOWISE July 13, 2020
Comet NEOWISE July 12, 2020
Eclipse Photos
Total Lunar Eclipse of March 14, 2025
Partial Lunar Eclipse of September 17, 2024
Partial Solar Eclipse of April 8, 2024
Partial Solar Eclipse of October 14, 2023
Total Lunar Eclipse of May 16, 2022
Total Solar Eclipse of August 21, 2017
Total Lunar Eclipse of September 28, 2015
Partial Phase of the Total Lunar Eclipse of April 4, 2015
Partial Solar Eclipse of October 23, 2014
Total Lunar Eclipse of October 8, 2014
Total Lunar Eclipse of April 15, 2014
Annular Solar Eclipse of May 20, 2012
Lunar Eclipse of August 28, 2007
Aurora, Wide Field and Deep Sky Photos
M42 February 16, 2026
IC-434 January 21, 2026
IC-410 January 21, 2026
M1 January 21, 2026
SH2-298 January 21, 2026
M78 January 21, 2026
M45 January 21, 2026
Aurora January 19, 2026
Caldwell 7 January 12, 2026
Perseus Cluster January 11, 2026
M42 January 11, 2026
IC 1795 December 24, 2025
NGC 2237 December 23, 2025
M42 December 22, 2025
M42 December 22, 2025
IC 1396A December 22, 2025
NGC 6946 December 22, 2025
IC 1613 December 22, 2025
Caldwell 24 December 22, 2025
Caldwell 43 December 22, 2025
NGC 147 December 22, 2025
NGC 185 December 22, 2025
NGC 2903 December 19, 2025
M109 December 19, 2025
M105 December 19, 2025
Leo Triplet December 19, 2025
M94 December 19, 2025
M108 December 19, 2025
M63 December 19, 2025
M60 December 19, 2025
M106 December 19, 2025
M97 December 19, 2025
Caldwell 39 December 19, 2025
M42 December 19, 2025
M74 December 15, 2025
SH2-157 December 15, 2025
Double Cluster December 15, 2025
NGC 281 December 15, 2025
M74 December 15, 2025
SH2-157 December 15, 2025
SH2-158 December 15, 2025
C13 December 15, 2025
M76 December 15, 2025
M47 December 15, 2025
M46 December 15, 2025
NGC 925 November 22, 2025
3D and Animations
Comet Lemmon C/2025 A6 October 22, 2025
Aurora October 10, 2024
Comet Tsuchinshan-ATLAS October 2, 2024
Partial Lunar Eclipse September 17, 2024
Solar Active Region AR3751 July 19, 2024
Solar Active Region AR3664 May 10, 2024
Partial Solar Eclipse April 8, 2024
Partial Solar Eclipse April 8, 2024
Jupiter January 3, 2024
Solar Magnetic Filament Eruption April 21, 2023
Jupiter November 1, 2022
Comet NEOWISE C/2020 F3 July 25, 2020
Book Collection Additions
Elucidatio Fabricae Ususque Astrolabii by Johannes Stoeffler - 1524
Print from Hevelius' Prodromus Astronomiae 1690 - Pavo
Print from Hevelius' Prodromus Astronomiae 1690 - Corona
Print from Hevelius' Prodromus Astronomiae 1690 - Lacerta
Popular Star Maps - 1904
![Tabule Astronomice Divi Alfonsi Regis Romanoru[m] et Castelle - 1521](Books/Tabule_Astronomice_Divi_Alfonsi_1521/Tabule_Astronomice_Divi_Alfonsi_6_Thm.jpg)
Tabule Astronomice Divi Alfonsi Regis Romanoru[m] et Castelle - 1521
Atlas Designed to Illustrate the Geography of the Heavens - 1833
Atlas Coelestis seu Harmonia Macrocosmica Print - Plate 28 - 1708
Atlas Coelestis seu Harmonia Macrocosmica Print - Plate 29 - 1708
Atlas Coelestis seu Harmonia Macrocosmica Print - Plate 26 - 1708
Atlas Coelestis seu Harmonia Macrocosmica Print - Plate 27 - 1708
Atlas Coelestis seu Harmonia Macrocosmica Print - Plate 17 - 1708
Atlas Coelestis seu Harmonia Macrocosmica Print - Plate 22 - 1708
Bode Uranographia Print - Plate XVI - 1801
Bode Uranographia Print - Plate VIII - 1801
Bode Uranographia Print - Plate V - 1801
Bode Uranographia Print - Plate IV - 1801
John Bevis Print - Virgo - 1750
John Bevis Print - Piscis Austrinus - 1750
John Bevis Print - Taurus - 1750
John Bevis Print - Orion - 1750
John Bevis Print - Pisces - 1750
John Bevis Print - Lepus - 1750
John Bevis Print - Libra - 1750
John Bevis Print - Eridanus - 1750
John Bevis Print - Gemini - 1750
John Bevis Print - Cancer - 1750
John Bevis Print - Centaurus - 1750
John Bevis Print - Aquarius - 1750
John Bevis Print - Argo Navis - 1750
Recent Conferences and Presentations
SpaceFest 2026
RASC 2026 General Assembly
NEKAAL Collecting Vintage Astronomy Books Presentation
UN Dark and Quiet Skies 2025 Workshop
NEKAAL Cecilia Payne-Gaposchkin Presentation
DarkSky International 2025 Conference
AAL Cecilia Payne-Gaposchkin Presentation
ASP 2025 Symposium
ALPO 2025 Conference
NEKAAL Sol'Ex Presentation
RASC 2025 General Assembly
AAL Sol'Ex Presentation
RAS Light Pollution Conference
MARAC 2024 Conference
DarkSky International 2024 Conference
ASP 2024 Conference
ALPO 2024 Conference
NEKAAL Presentation
244th American Astronomical Society Conference
John Herschel Conference
RASC 2024 General Assembly
DarkSky International 2023 Conference
Projects
Repaired Wing Screws for a Losmandy Camera Bracket
Olympus Manual Focus Lens Adapter
Neutral Density Filter Holder
Bogen Tripod Leg Lock Lever
M42 Threaded Adapter
Spectroheliograph
Aperture Stop
ZWO EAF Bracket
Barn Door Tracker
127mm Surplus Shed Refractor
Heavy Duty Battery Pack
LXD650 RA Gear Repair
Tasco 10TE Refurbishing Project
Refinished Rattan Chairs