Top View
- Heavy Element Abundances in Ionized Nebulae
- DSO List V2 Current
- Publications of the Astronomical Society of the Pacific 93:5-19, February 1981
- A Abell 21, 20–21 Abell 37, 164 Abell 50, 264 Abell 262, 380 Abell 426, 402 Abell 779, 51 Abell 1367, 94 Abell 1656, 147–148
- MX Date Time Object Name Type RA Dec Size Mag Con H-400 H-II
- Desert Skies: May, 2011 Desert Skies Tucson Amateur Astronomy Association
- Recommended Texts and Websites 425
- CORVUS, the Raven Or Crow
- The OBSERVER the Newsletter of the Twin City Amateur Astronomers, Inc
- 1 STRUCTURE and EVOLUTION of PLANETARY NEBULAE By
- Deep-Sky-Liste 2012
- Herschel 2500 Observing Logbook!
- The Messenger
- The Secret Deep Stephen James O’Meara Index More Information
- Gas and Dust in Galactic Planetary Nebulae at Sub-Solar Metallicity
- Some of the More Common Objects to View in PDF Format
- Object Index
- 7000 List by Name