M1, the Crab Nebula, is the remnant of a star which exploded on July 4, 1054, according to Chinese records and was visible during the daytime for a month
M1, the Crab Nebula, is the remnant of a star which exploded on July 4, 1054, according to Chinese records and was visible during the daytime for a month
NGC 6960, the Witch's Broom Nebula, is part of the Cygnus Loop SNR 1500 LYs away.
NGC 6960, the Witch's Broom Nebula, is part of the Cygnus Loop SNR 1500 LYs away.
Abell 85, or CTB1, is a faint supernova remnant (SNR) 10,000 LYs away in Cassiopeia which appears the same size in our sky as our full moon
Abell 85, or CTB1, is a faint supernova remnant (SNR) 10,000 LYs away in Cassiopeia which appears the same size in our sky as our full moon
The Cygnus Loop, the outer extent of a supernova star explosion that occured 5000 years ago.  The nebula now covers an area 36 times the size of our full moon in the sky.
The Cygnus Loop, the outer extent of a supernova star explosion that occured 5000 years ago. The nebula now covers an area 36 times the size of our full moon in the sky.
IC443, the Jellyfish Nebula SNR, 5000 light years away in Gemini
IC443, the Jellyfish Nebula SNR, 5000 light years away in Gemini
NGC 6979, Pickering's Triangle, is another beautifully detailed part of the Cygnus Loop SNR
NGC 6979, Pickering's Triangle, is another beautifully detailed part of the Cygnus Loop SNR
LBN 325 is the red emission background object, and the green foreground object is an old SNR
LBN 325 is the red emission background object, and the green foreground object is an old SNR
NGC 6992, the Veil Nebula, is part of the Cygnus Loop SNR with hydrogen shown in red and oxygen shown in cyan
NGC 6992, the Veil Nebula, is part of the Cygnus Loop SNR with hydrogen shown in red and oxygen shown in cyan
LBN 331 is officially classified as a hydrogen emission nebula but it looks to be a SNR to me
LBN 331 is officially classified as a hydrogen emission nebula but it looks to be a SNR to me
The Bridge is part of the Vela SNR, which exploded over 12,000 years ago
The Bridge is part of the Vela SNR, which exploded over 12,000 years ago
Sh2-224 (left) is one of the oldest SNRs at 60,000 yrs old.  Sh2-223 is a huge emission nebula which is stealing the view away from the SNR
Sh2-224 (left) is one of the oldest SNRs at 60,000 yrs old. Sh2-223 is a huge emission nebula which is stealing the view away from the SNR
The Pencil Nebula, part of the Vela SNR in the southern hemisphere sky, is 5 light years long
The Pencil Nebula, part of the Vela SNR in the southern hemisphere sky, is 5 light years long
The Spiral Flame, part of the Vela SNR, is 800 light years away in Vela
The Spiral Flame, part of the Vela SNR, is 800 light years away in Vela
Sh2-240, the Spaghetti Nebula, is a SNR the size of 30 full moons in the sky, located in Auriga
Sh2-240, the Spaghetti Nebula, is a SNR the size of 30 full moons in the sky, located in Auriga
The Twin Crescents and Bypass are part of the Vela SNR, located low in the southern sky and peaking just 14 degrees above our horizon
The Twin Crescents and Bypass are part of the Vela SNR, located low in the southern sky and peaking just 14 degrees above our horizon
WR134, 6000 light years away in Cygnus and the same size to us as our moon.
WR134, 6000 light years away in Cygnus and the same size to us as our moon.
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