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IC 1396 is a massive, circular emission nebula and star-forming region located approximately 2,400 to 3,000 light-years away in the constellation...
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Messier 63 (M63), famously known as the Sunflower Galaxy, is a spiral galaxy located approximately 27 to 37 million...
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M53 (the cluster of stars on the lower left) and NGC 5053 (the pale haze on the right). NGC 5053...
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Long story short: ADU stands for Analogue-to-Digital Unit As you probably remember, the camera has a sensor, usually CMOS. Such...
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What is magnitude, and how to interpret the value? To answer this question, first, we have to touch on another...
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NGC 7023, famously known as the Iris Nebula, is a stunning reflection nebula located approximately 1,300 light-years away in the...
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NGC 3628, shown on the right, is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo....
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The Pinwheel Galaxy, formally known as Messier 101 (M101), is a massive grand-design spiral galaxy located approximately 21 to 25...
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NGC 4565, commonly known as the Needle Galaxy, is one of the most striking spiral galaxies in the sky, seen...
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The Galaxy M 106 (also known as NGC 4258) is located approximately 22 to 25 million light-years from Earth. It is...
