Almost 3 years ago, i had just then bought and assembled my new toy ( link ). After mostly using it for visual astronomy, now, i have been connecting my camera to the telescope and taking deep sky astro photos. After months of trying and doing lot of mistakes, I can now say that I have started feeling very comfortable with my telescope.
Light Year:
Definitely, i am not going to bug you with complex astronomy terms. But, if you prefer to learn only one thing, it should be the "Light Year". It is a very funny word. Because it has "year", you may think it denotes "time". Actually, it indicates the distance. It is the distance someone would travel if they travel at the speed of light for an year.
1 Light Year = 6 trillion miles or 10 trillion kilo meters (1 trillion has 12 0s ).
In a very different way, it denotes time also. Through my telescope, when I look at a star or galaxy 2 million light years away, that means light has traveled 2 million years before reaching my telescope and hitting my retina !!! It also means, I am looking at the galaxy how it was 2 million years ago. There is no guarantee it is still there today !!! Basically, I am looking back in time. Mind boggling fact !!! :)
Presenting, photos taken with my own private Hubble.
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| The great "Orion Nebula", in the constellation, Orion. Distance: 1,344 Light Years. f/8, 30 secs, ISO 800. |
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| Globular Cluster, M3 in the constellation, Canes Venatici. Distance: 33,900 Light Years. f/8, 20 secs, ISO 800. |
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| M 81 Galaxy in the constellation, Ursa Major. Distance: 11.8 Million Light Years. f/8, 30 secs, ISO 800. |
With these photos, I am giving myself a grade of C-. I have a long way to go in improving the quality of these photos. I am not worried. I have a lifetime ahead :) I bought my first telescope (no tracking, completely manual) in 2002. In the last 13 years the amateur astronomy hobby has made multiple "giant leaps", thanks to the advances in technology and the innovations of the telescope manufacturers. I took all these photos during a single night (a span of 1.5 hours) on March 7. It was simply not possible for an amateur to do this in 2002.
Here is my Hubble.































