Similar to 環状星雲
NGC 1999
NGC 1999NGC 2024
Flame NebulaNGC 2060
NGC 2060タランチュラ星雲
Tarantula NebulaNGC 2080
NGC 2080NGC 2100
NGC 2100NGC 2174
NGC 2174NGC 2207とIC 2163
NGC 2207 and IC 2163NGC 2217
NGC 2217ばら星雲
Rosette NebulaNGC 2244
NGC 2244NGC 2261
NGC 2261NGC 2298
NGC 2298NGC 2359
NGC 2359NGC 2360
NGC 2360NGC 2362
NGC 2362NGC 2403
NGC 2403NGC 2419
NGC 2419NGC 2442
NGC 2442/2443
NGC 2442 and NGC 2443NGC 2477
NGC 2477NGC 2506
NGC 2506NGC 2516
NGC 2516NGC 2541
NGC 2541NGC 2608
NGC 2608NGC 2683
NGC 2683NGC 2715
NGC 2715NGC 2770
NGC 2770