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Joseph Dunning Astrophotography


comet_03_12_2013_0010.jpg

19 files, last one added on Mar 15, 2013

 

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Random files - joedunning's Gallery
me.jpg
My 7" refractor756 viewsThis is my 7" f/9 refractor mounted on an AP-1200 GTO.
Sun_2012_03_11_first_light_5_2x_reduced.jpg
Sun Spot 14291240 viewsThis is an Ha image of sunspot 1429 on 3-11-12.
M1.jpg
M1852 viewsMessier 1, (M1, NGC 1952), The Crab Nebula is the most famous and conspicuous known supernova remnant, the expanding cloud of gas created in the explosion of a star as supernova which was observed in the year 1054 AD. It shines as a nebula of magnitude 8.4 near the southern "horn" of Taurus, the Bull. The distance is 6,300 light years.
m42.jpg
M42977 viewsMessier 42 (M42, NGC 1976) The Orion Nebula is the brightest star forming, and the brightest diffuse nebula in the sky. Shining with the brightness of a star of 4th magnitude, it is visible to the naked eye under moderately good conditions. The Orion Nebula is located at a distance of about 1,600 (or perhaps 1,500) light-years.
horse_head.jpg
Horsehead nebula1204 viewsThe Horsehead is a dark globule of dust and non-luminous gas, obscuring the light coming from behind, especially the moderately bright nebula IC 434. It is the most remarkable feature of an interesting region of diffuse nebulae, which belongs to a huge cloud of gas and dust situated 1,600 light years away in the direction of constellation Orion. The bright reflection nebula in the lower left is NGC 2023.
62_ERATO.jpg
62_Erato 943 views62 Erato is a large and dark, probably carbonaceous main-belt asteroid. It is a member of the Themis asteroid family.Erato is the first asteroid to have been credited with co-discoverers, Oskar Lesser and Wilhelm Forster, who discovered it on September 14, 1860 from the Berlin Observatory. It was their first and only asteroid discovery.
This image is a stack of 25 5 min exposures creating the line showing it's movement.
M20.jpg
M20877 views Messier 20 (M20, NGC 6514) The Trifid Nebula in Sagittarius is a remarkable and beautiful object as it consists of both a conspicuous emission nebula and a remarkable reflection nebula component. The distance is 5200 light year.
bubble_mix-1-5.jpg
Bubble Nebula914 viewsNGC 7635, also called the Bubble Nebula, is an emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star. The distance is 11,000 light years.

Last additions - joedunning's Gallery
comet_03_12_2013_0010.jpg
Comet PanStarrs932 viewsThis is comet PanStarrs from Alamogordo NM. Taken with a Canon 50d thru a Stellarvue 130 EDT and field flattener. 15 second exposure about f/7Mar 15, 2013
Sun_2012_03_11_first_light_5_2x_reduced.jpg
Sun Spot 14291240 viewsThis is an Ha image of sunspot 1429 on 3-11-12. Mar 12, 2012
sun_Ha80mm-4.jpg
The Sun in Ha1159 viewsThis is the first light image of the sun taken with my new Lunt 80mm solar scope on Friday 2/24/2012. We used Jim's DMK 41 camera and processed the image in Registax and Photoshop CS5. Feb 26, 2012
moon_mosiac.jpg
Moon mosiac1135 viewsThis is a mosaic of images taken in Ha light. Feb 26, 2012
horse_head.jpg
Horsehead nebula1204 viewsThe Horsehead is a dark globule of dust and non-luminous gas, obscuring the light coming from behind, especially the moderately bright nebula IC 434. It is the most remarkable feature of an interesting region of diffuse nebulae, which belongs to a huge cloud of gas and dust situated 1,600 light years away in the direction of constellation Orion. The bright reflection nebula in the lower left is NGC 2023.Feb 26, 2012
m74.jpg
M74976 viewsMessier 74 (M74, NGC 628) is one of the nicest examples of so-called "grand-design" spiral galaxies seen face-on, so that its spiral structure stands out conspicuously. With its comparatively low surface brightness, it is one of the more difficult objects in Messier's catalog. Situated in constellation Pisces the distance is about 30 to 40 million light years and it’s diameter is 1000 light years.Feb 26, 2012
M13.jpg
M131002 viewsMessier 13 (M13, NGC 6205), also called the 'Great globular cluster in Hercules', is one of the most prominent and best known globulars of the Northern celestial hemisphere. The distance is 25,100 light years, and it’s diameter is 145 light years.Feb 26, 2012
62_ERATO.jpg
62_Erato 943 views62 Erato is a large and dark, probably carbonaceous main-belt asteroid. It is a member of the Themis asteroid family.Erato is the first asteroid to have been credited with co-discoverers, Oskar Lesser and Wilhelm Forster, who discovered it on September 14, 1860 from the Berlin Observatory. It was their first and only asteroid discovery.
This image is a stack of 25 5 min exposures creating the line showing it's movement.
Feb 26, 2012