M57 The search for the outer halo part 2…
Messier 57 The ring nebula, search for the outer ring
Article in Ciel et Espace June 2013 about M57 and its expansion
M57: A new view from three telescopes
Herbig-Haro objects in the Pelican Nebula
Melotte 15 – Cooperation with J-P Metsävainio (astroanarchy)
M57: Stellar motion, almost a century of data…
M57 Hubble/Subaru 8.2 m Hawaii combination – outer ring
M57, the most detailed image ever taken (Hubble Space Telescope)
Melotte 15/IC1805 The heart of the heart nebula
M27 C11/ESO/Spitzer
North America Nebula in sky at night magazine November 2012
IC1805 Heart Nebula Bicolor (OIII/Ha)
The heart of the heart nebula
NGC7822/Cederblad 214 Hubble palette
Panorama of the Cygnus area annotated inverted
Panorama of the Cygnus area annotated
Nebulosity in the Cygnus constellation
Panorama of the Cygnus area
NGC7000 North American Nebula
Milky way from Bleialf, Germany
IC1805 Heart and Soul nebula
IC1396 Elephant Trunk widefield
NGC 7000/IC5070 North America and the Pelican
NGC 7000 with a 100 mm Canon lens
Cederblad 214 / NGC 7822
Wizard Nebula in Sky at night magazine
M8 Lagoon nebula HST
NGC 6357 Hubble imagery – own processing
NGC2174 Monkeyhead nebula
NGC2237 Rosetta Nebula
NGC7380 Wizard Nebula
IC5070 Pelican Nebula C11
IC1396/vdB142 Elephant Trunk Nebula
IC5070 Pelican Nebula
Flame and horsehead nebulae
M27 Dumbbell Nebula H-alpha/RGB combi
M27 Dumbbell Nebula in Bi-Color
M57 Ring nebula H-alpha
vdB141 Ghost Nebula
M27 Dumbbell Nebula H-alpha
M42 Orion nebula
M1 Crab nebula
NGC2239 Rosetta Nebula
M27 Dumbbell Nebula RGB
M57 Ring nebula
