The spiral galaxy Markarian 766 contains an active galactic nucleus with a supermassive black hole, which means that everyone needs to apply their favorite technique to measure the black hole's mass.

Object 111: The 1925 Classic

George's Random Astronomical Object is a biweekly astronomy podcast featuring science discussions about astronomical objects at randomly selected locations in the sky.  The wide range of topics discussed in the show include stars, variable stars, variable variable stars, supermassive black holes, ultracool dwarf stars, exoplanets, howler monkeys, infrared radiation, acronyms, more acronyms, starbursts, measurements of less than 12 parsecs, jellyfish galaxies, diffuse ionized gas, and general overall weirdness.