Object Descriptions

Abell Catalogue (22)

Abell 2
Abell 4
Abell 8
Abell 9
Abell 12
Abell 13
Medusa Nebula
Abell 21
Abell 24
Abell 30
Abell 33
Abell 39
Abell 50
Abell 70
Abell 71
Abell 72
Abell 75
Abell 78
Abell 79
Abell 80
Abell 81
Abell 82
Abell 84

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