martinsastro

Astronomy for all.
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133 files in 12 albums and 1 categories with 0 comments viewed 34,477 times

misc


Lester.jpg

1 files, last one added on Dec 26, 2011
Album viewed 204 times

Dargo to Licola


IMG_0518.jpg

18 files, last one added on May 21, 2016
Album viewed 34 times

Camper trailer files.



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IMG_0502.jpg34 viewsMark and his carMartin
Cheriocrop.jpg
Cheriocrop.jpgCherio nebula.200 viewsM57 is located in Lyra, south of its brightest star Vega. Vega is the northwestern vertex of the three stars of the Summer Triangle. M57 lies about 40% of the angular distance from β Lyrae to γ Lyrae.[5]

M57 is best seen through at least a 20 cm (8-inch) telescope, but even a 7.5 cm (3-inch) telescope will show the ring.[5] Larger instruments will show a few darker zones on the eastern and western edges of the ring, and some faint nebulosity inside the disk.

This nebula was discovered by Antoine Darquier de Pellepoix in January, 1779, who reported that it was "...as large as Jupiter and resembles a planet which is fading." Later the same month, Charles Messier independently found the same nebula while searching for comets. It was then entered into his catalogue as the 57th object. Messier and William Herschel also speculated that the nebula was formed by multiple faint stars that were unable to resolve with his telescope.[6][7]

In 1800, Count Friedrich von Hahn discovered the faint central star in the heart of the nebula. In 1864, William Huggins examined the spectra of multiple nebulae, discovering that some of these objects, including M57, displayed the spectra of bright emission lines characteristic of fluorescing glowing gases. Huggins concluded that most planetary nebulae were not composed of unresolved stars, as had been previously suspected, but were nebulosities.[8][9]
Martin
horsephotobucket.jpg
horsephotobucket.jpgHorsehead nebula.280 viewsThe Horsehead Nebula (also known as Barnard 33 in bright nebula IC 434) is a dark nebula in the constellation Orion. The nebula is located just below (to the south of) Alnitak, the star farthest left on Orion's Belt, and is part of the much larger Orion Molecular Cloud Complex. The Horsehead Nebula is approximately 1500 light years from Earth. It is one of the most identifiable nebulae because of the shape of its swirling cloud of dark dust and gases, which is similar to that of a horse's head when viewed from Earth. The shape was first noticed in 1888 by Williamina Fleming on photographic plate B2312 taken at the Harvard College Observatory.

The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star Sigma Orionis. The darkness of the Horsehead is caused mostly by thick dust, although the lower part of the Horsehead's neck casts a shadow to the left. Streams of gas leaving the nebula are funneled by a strong magnetic field. Bright spots in the Horsehead Nebula's base are young stars just in the process of forming.
Martin
Lagoon_done2G.jpg
Lagoon_done2G.jpgLagoon nebula.176 views16X10Minutes Luminance
10X100Seconds RGB
ED80 and QHY9 on a losmandy G11 with Gemini 2
This was just a guiding test after many problems.
Still not perfect but it is getting there.
Martin
M48-done2M.jpg
M48-done2M.jpgM48.283 viewsMessier 48 (also known as M 48 or NGC 2548) is an open cluster in the Hydra constellation. It was discovered by Charles Messier in 1771.

There is actually no cluster in the position indicated by Messier. The value that he gave for the right ascension matches that of NGC 2548, however, his declination is off by five degrees.Credit for discovery is sometimes given instead to Caroline Herschel in 1783.
Martin
sculptor-1.jpg
sculptor-1.jpgSculptor galaxy.267 viewsThe Sculptor Galaxy (NGC 253) is an intermediate spiral galaxy in the constellation Sculptor. The Sculptor Galaxy is a starburst galaxy, which means that it is currently undergoing a period of intense star formation.Martin
Eagle_done-1.jpg
Eagle_done-1.jpgEagle nebula.184 viewsThe Eagle Nebula is part of a diffuse emission nebula, or H II region, which is catalogued as IC 4703. This region of active current star formation is about 6,500 light-years distant. The tower of gas that can be seen coming off the nebula is approximately 57 trillion miles (97 trillion km) high.

The brightest star in the nebula has an apparent magnitude of +8.24, easily visible with good binoculars.
Martin
Fog2.jpg
Fog2.jpg159 viewsMartin

Last additions
IMG_0518.jpg
IMG_0518.jpgnice view47 viewsnice viewMartinMay 21, 2016
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IMG_0517.jpgARB Kev57 viewsARB Kev.MartinMay 21, 2016
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IMG_0516.jpg44 viewsKev's CarMartinMay 21, 2016
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IMG_0515.jpg44 viewsJacki and carMartinMay 21, 2016
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IMG_0514.jpg50 viewsAlex's carMartinMay 21, 2016
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IMG_0513.jpg47 viewsScotty's carMartinMay 21, 2016
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IMG_0512.jpg46 viewsMark beside his carMartinMay 21, 2016
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IMG_0511.jpg47 viewsHang this in the ceiling and Mark will be out of business :PMartinMay 21, 2016