[6] Also, a 2013 paper lists NGC 266 as the dominant member of a small group with six low-mass galaxies.

[4] A diffuse X-ray emission from hot gas has been detected around this galaxy, extending out to a radius of at least 70,000 light years.

On 5 October 2005, Tim Puckett, Peter Ceravolo, and Yasuo Sano discovered SN 2005gl (type IIn, mag.

An image of the galaxy taken on September 10 showed no supernova event, so this explosion occurred after that date.

[9] The progenitor was identified as a massive hypergiant star that was most likely a luminous blue variable.