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- Catalogue of Central Stars of Planetary Nebulae: Expanded Edition
- The Caldwell Catalogue Contents
- ANALYSIS of HIGH EXCITATION PLANETARY NEBULAE L. H. Aller
- C22 NGC 7662 Blue Snowball Planetary Nebula Andromeda 9
- 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
- December 2018 BRAS Newsletter
- Introduction
- Estimation De La Fraction Binaire De Nébuleuses Planétaires
- Caldwell Resources
- Faint Recombination Lines in Galactic Pne with a [WC] Nucleus ,
- Planetary Nebulae Seen with TESS: Discovery of New Binary Central Star Candidates from Cycle 1 A
- Coast, 159, 42 Howarth I
- Object Index