12 inch ASA Astrograph

M 42 September 2010

M 42 September 2010

The Graet Orion Nebula is a diffuse nebula situated south of Orion's Belt. It isvisible to the naked eye. M42 is located at a distance of 1,350 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across. This is RGB image, exp.times are 90 min in each channel.

M 81 and M 82

M 81 and M 82

M81, seen here at left, is a grand design spiral galaxy that forms a physical pair with irregular galaxy M82. They are separated by 150,000 light years. This is LRGB image taken with Barlow Corrector on ASA 12 inch Astrograph. Resulting focal ratio is F/6.3. Exposure times are resp. 60, 30, 30 and 30 min. 

NGC 2237 (Rosette Nebula) in narrowband filters

NGC 2237 (Rosette Nebula) in narrowband filters

The Rosette Nebula is a large, circular H II region located near one end of a giant molecular cloud in the Monoceros. This is a narrowband image taken from the center of the city. Exposure times are 60 min in each H alpha, S II and O III filter.

M 78

M 78

The nebula Messier 78 (also known as M 78 or NGC 2068) is a reflection nebula in the constellation Orion. M78 is the brightest diffuse reflection nebula of a group of nebulae that include NGC 2064, NGC 2067 and NGC 2071. This group belongs to the Orion Molecular Cloud Complex and is about 1,600 light years distant from Earth. RGB image, 50 min exp. time in each colr.

M 101 - The Pinwheel Galaxy

M 101 - The Pinwheel Galaxy

The Pinwheel Galaxy (also known as Messier 101 or NGC 5457) is a face-on spiral galaxy distanced 25 million light-years (eight megaparsecs) away in the constellation Ursa Major. This is a LRGB image resp. 20, 20 30 and 30 minutes.

IC 1848 The Soul Nebula

IC 1848 The Soul Nebula

This is a narrowband image of the Soul Nebula - an emission nebulae in Cassiopeia. H alpha, S II and O III images were combined to obtain this composit. Exposition times are 30 min in each filter. The conditions were heavy light pollution (centre of the city) and almost full Moon.

M 42 new

M 42 new

This is the new processed M 42 from Oct 2009.

NGC 7023 - The Iris Nebula

NGC 7023  - The Iris Nebula

The Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula in the constellation Cepheus. LRGB image

NGC 6992 - The Veil Nebula in RGB

NGC 6992 - The Veil Nebula in RGB

The Veil Nebula, is part of the Cygnus Loop, radio source W78, or Sharpless 103. This is RGB image

NGC 6888 The Crescent Nebula in Ha_RGB

NGC 6888 The Crescent Nebula in Ha_RGB

The Crescent Nebula (NGC 6888 or Caldwell 27) is an emission nebula in the Cygnus constellation, about 5000 light years away. This is a combination of Ha and RGB images.

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