AllAboutRefractors:
NGC 6888 - The Crescent Nebula and Surrounding Region
AllAboutRefractors:
NGC 2024 and Barnard 33: The Horsehead and Flame Nebula
Sabrinaminnick1:
Fish Head Nebula - IC 1805
AllAboutRefractors:
NGC 4631/NGC 4656/57 - The Whale and Hockey Stick Galaxies
Sabrinaminnick1:
Leo Triplet