martinsastro

Astronomy for all.
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133 files in 12 albums and 1 categories with 0 comments viewed 32,558 times

misc


Lester.jpg

1 files, last one added on Dec 26, 2011
Album viewed 198 times

Dargo to Licola


IMG_0518.jpg

18 files, last one added on May 21, 2016
Album viewed 27 times

Camper trailer files.



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Malcolm.jpg
Malcolm.jpg150 viewsMartin
Angus.jpg
Angus.jpg159 viewsMartin
IMG_0510.jpg
IMG_0510.jpg26 viewsNice view1Martin
rosettecropfinal.jpg
rosettecropfinal.jpgRosette nebula.221 viewsThe cluster and nebula lie at a distance of some 5,200 light years from Earth (although estimates of the distance vary considerably) and measure roughly 130 light years in diameter. The radiation from the young stars excite the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses.

It is believed that stellar winds from a group of O and B stars are exerting pressure on interstellar clouds to cause compression, followed by star formation in the nebula. This star formation is currently still ongoing.

A survey of the nebula with the Chandra X-ray Observatory in 2001 has revealed the presence of very hot, young stars at the core of the Rosette Nebula. These stars have heated the surrounding gas to a temperature in the order of 6 million kelvins causing them to emit copious amounts of X-rays.
Martin
1060_1M.jpg
1060_1M.jpgNGC1060.290 viewsThe Hydra Cluster (or Abell 1060) is a cluster of galaxies that contains 157 bright galaxies and can be viewed from earth in the constellation Hydra. [3] The cluster spans about ten million light years and has an unusual high proportion of dark matter. [4] The cluster is part of the Hydra-Centaurus Supercluster located 158 million light years from earth. The cluster's largest galaxies are elliptical galaxies NGC 3309 and NGC 3311 and the spiral galaxy NGC 3312 all having a diameter of about 150,000 light years.[5] In spite of a nearly circular appearance on the sky, there is evidence in the galaxy velocities for a clumpy, three-dimensional distribution.[Martin
Shane_Gilbert.jpg
Shane_Gilbert.jpg229 viewsMartin
eta-done2G.jpg
eta-done2G.jpgEta Carinae215 viewsJust testing the guiding on the G11 with Gemini 2Martin
Kens_den.jpg
Kens_den.jpg154 viewsKen's den.Martin

Last additions
IMG_0518.jpg
IMG_0518.jpgnice view34 viewsnice viewMartinMay 21, 2016
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IMG_0517.jpgARB Kev42 viewsARB Kev.MartinMay 21, 2016
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IMG_0516.jpg31 viewsKev's CarMartinMay 21, 2016
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IMG_0515.jpg31 viewsJacki and carMartinMay 21, 2016
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IMG_0514.jpg36 viewsAlex's carMartinMay 21, 2016
IMG_0513.jpg
IMG_0513.jpg34 viewsScotty's carMartinMay 21, 2016
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IMG_0512.jpg33 viewsMark beside his carMartinMay 21, 2016
IMG_0511.jpg
IMG_0511.jpg34 viewsHang this in the ceiling and Mark will be out of business :PMartinMay 21, 2016