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Posted On: October 13th 2026, 04:20 pm
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The Bubble Nebula and the Lobster Claw Nebula in Cassiopeia
The Bubble Nebula (NGC 7635) is a shell of gas blown outward by the stellar wind of a single massive young star, about 40 times the mass of our Sun. The bubble is roughly 7 light years across and sits about 7,000 to 8,000 light years from Earth. The star isn’t in the center of the bubble, which is why one side looks brighter and denser than the other.
Just next to it is the Lobster Claw Nebula (Sh2 157), a large emission nebula of glowing hydrogen whose curved shape looks like a claw reaching across the frame. Both are part of the same busy star-forming region in the Milky Way.
🔭 Telescope: @williamoptics GT81
📷 Camera: @zwoasi ASI533MC Pro
🎨 Filter: @optolong_official L’eXtreme
⚙️ Mount: @skywatcher HEQ5
⏱️ Integration: 15 hours (300 x 180s lights)
🚫 No calibration frames
✨🌌🔭
#astrophotography #astronomy #space #nebula #universe
The Bubble Nebula (NGC 7635) is a shell of gas blown outward by the stellar wind of a single massive young star, about 40 times the mass of our Sun. The bubble is roughly 7 light years across and sits about 7,000 to 8,000 light years from Earth. The star isn’t in the center of the bubble, which is why one side looks brighter and denser than the other.
Just next to it is the Lobster Claw Nebula (Sh2 157), a large emission nebula of glowing hydrogen whose curved shape looks like a claw reaching across the frame. Both are part of the same busy star-forming region in the Milky Way.
🔭 Telescope: @williamoptics GT81
📷 Camera: @zwoasi ASI533MC Pro
🎨 Filter: @optolong_official L’eXtreme
⚙️ Mount: @skywatcher HEQ5
⏱️ Integration: 15 hours (300 x 180s lights)
🚫 No calibration frames
✨🌌🔭
#astrophotography #astronomy #space #nebula #universe
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