Object Descriptions
Abell Catalogue (32)
Abell 2
Abell 4
Abell 5
Abell 8
Abell 9
Abell 10
Abell 12
Abell 13
Abell 19
Medusa Nebula
Abell 21
Abell 21
Abell 24
Abell 30
Abell 33
Abell 37
Abell 39
Abell 50
Abell 57
Abell 61
Abell 65
Abell 68
Abell 70
Abell 71
Abell 72
Abell 74
Abell 75
Abell 78
Abell 79
Abell 80
Abell 81
Abell 82
Abell 84
Medulla Nebula
Abell 85
Abell 85
References
- [332] «Properties of Some Old Planetary Nebulae» Abell, G. O.; Astrophysical Journal, vol. 144, p.259, April 1966; DOI:10.1086/148602; Bibcode:1966ApJ...144..259A; ui.adsabs.harvard.edu/abs/1966ApJ...144..259A/abstract (2021-05-10)