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The Dolphin Head Nebula
A nebula that looks like its name! Formally SH-308, this bubble of gas 60 light-years across is blown out by a hot Wolf-Rayet star at its center. It’s about 4500 light-years away in the constellation Canis Majoris. It’s quite dim, but if you could see it with bionic vision or something, it would be larger…
Going Back to Cali
Both on Earth, and in space! While we prepare for a year or two in California, I trained Scopey von Scopington on the California Nebula for a few nights. Pretty obvious how it got its name! This is a two-panel mosaic, consisting of narrowband SHO data for the nebula and broadband RGB for the stars….
The Sunflower Galaxy
Officially called M63, this spiral galaxy about 30 million light-years away is part of the same group as the Whirlpool Galaxy.
The Diamond Ring Nebula
Formally Abell 33 or the even more catchy name PK238+34.1, the “diamond ring nebula” is a planetary nebula – that means it’s the gas blown off by a dying star, not too different from our own sun. This one’s interesting due to its almost perfectly spherical shape, its cyan color from ionized Oxygen gas, and…
Sombrero Galaxy
M104 is known as the “Sombrero Galaxy” due to its visual appearance – but a deep, long-exposure image reveals its true structure. It’s a lenticular galaxy about 30 million light-years away, about 30% the size of our own Milky Way galaxy.
Off to See the Wizard (again)
These past couple of nights, I revisited the Wizard Nebula – home of a star cluster about 7,000 light-years away within the constellation Cepheus. This is a false-color image in the “Hubble Palette” where red, green, and blue represent ionized Sulphur, Hydrogen, and Oxygen emissions respectively. Can you see the “wizard”? Hint: he’s lying on…

