What are these nebulae called?

This annoying trio should give you another clue to work out the name…

Cracked by Goyal , Tathagata Chatterjee , ali , sangoman , Rc , Keerthi Kiran M , Achilles , shenoyvarun86 , pinaki sarkar , Phani , Thejas , Priya , Dibyo , Kamal Rathi , Ajay Parasuram , malcaluffin and nihit.

Priya(2), Goyal, Tathagata Chatterjee, ali, sangoman, Rc, Keerthi Kiran M, Achilles, shenoyvarun86, pinaki sarkar, Phani, Thejas V R, Dibyo, Kamal Rathi, Ajay Parasuram, malcaluffin and nihit