Adventures in Deep Space


Challenging Observing Projects for Amateur Astronomers of All Ages

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Most Recent Additions

2025-10-03
New Observing reports from September 2025!
2025-09-29
Portland XVIII Alt/Az Workshop 2025 Flyer
2025-04-30
Observing Report: Seven Nights in West Texas
by Akarsh Simha
2025-04-26
Deep Sky Observing Report: April 26, 2025
by Alex Swartzinski (new contributor!)
2024-12-19
Interesting Peculiar Galaxies for 16–22 inch telescopes
2024-12-18
More restored observing reports: 2010/09/16, 2011/01/26, 2013/02/05 by Steve Gottlieb
2024-12-12
The Supernova Remnant Challenge
2024-12-11
Improved Off the Deep End with Steve Gottlieb.
2024-12-11
Redone and restored observing reports: 2013/03/09, 2010/09/11, 2013/05/11 by Steve Gottlieb
2024-12-10
New observing reports by Akarsh Simha here
2024-11-21
Updates to Catalogs, Lists and Links!
2024-11-21
Restored: GSSP Challenge List, GSSP General List
2024-09-13
Dracula's Chivito – A New Planetary Nursery
2024-08-19
RASC Deep Sky Challenge Part 1, Part 2, Part 3
2024-08-08
Giant Melbourne Telescope
2024-08-08
Index of Publications by Steve Gottlieb
2024-08-07
Steve Gottlieb's old ORs restored 8/12/2010, 9/2012
2024-08-05
Sivan Nebula

Love your site. It's a great place to find photographic fields of interest. I'm always looking for information on new objects to shoot.

— Martin C. Germano

At the monthly star parties everyone now expects me to show up with another rarely observed gem, carefully culled from the pages of your web site. I guess it's time to come clean about where I've been getting the information

— Paul Alsing

WOW! Your website is absolutely incredible! Where do you guys come up with all this stuff? Have you thought of doing a book or magazine on Observing Challenges?

— Jeremiah Burton

Acknowledgements

Some of these articles first appeared in the monthly bulletin of the San Francisco Amateur Astronomers, the publications of the Webb Society and the AmAstro mailing list. Finder charts were produced on Megastar with RealSky. Megastar is available from Willman-Bell, Inc. RealSky is available from the Astronomical Society of the Pacific. Other images are from the Hubble Space Telescope (HST), NASA and the Digital Sky Survey (DSS). You can download your own DSS images, courtesy of the Space Telescope Science Institute. Accurate identifications, coordinates, and other useful data can be obtained through the NGC/IC Project, SIMBAD and the NASA/IPAC Extragalactic Database (NED. Do astronomy research online at the NASA Astrophysics Data System (ADS).