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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...
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The Bortle scale is a system created by John Bortle to measure and categorise sky darkness. He is an amateur...
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Harmonic or strain-wave gears have become very popular in the last few years. What is so catchy to attract people...
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The exposure time is the value (usually expressed in seconds) that indicates how long you would expose a camera sensor...
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LDN 1373 (Lynds' Catalogue of Dark Nebulae, object 1373) is a dark nebula located in the constellation Cassiopeia. It is...
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What is light pollution? Light pollution refers to the excessive, misdirected, or obstructive use of artificial outdoor lighting. It's essentially "wasted light"...
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Astrophotography is the photography or imaging of astronomical objects, celestial events, or specific areas of the night sky. It is...
