NGC 7752 and NGC 7753 [SEP] constellation
NGC 7752 and NGC 7753
NGC 7752 and NGC 7753 are a pair of galaxies approximately 272 million light-years away in the constellation Pegasus.
NGC 7753 is the primary galaxy. It is a barred spiral galaxy with a small nucleus. NGC 7752 is the satellite galaxy of NGC 7753. It is a barred lenticular galaxy that is apparently attached to one of NGC 7753's spiral arms. They resemble the Whirlpool Galaxy (M51A) and its satellite NGC 5195 (M51B).
Supernovae.
The first supernova
NGC 1073
NGC 1073 is a barred spiral galaxy in the constellation Cetus. It probably has an H II nucleus.
NGC 1073 is about 55 million light years from Earth. NGC 1073 is about 80,000 light years across. NGC 1073 can be viewed with a mid-sized telescope and is found in the Cetus constellation, also called the Sea Monster. NGC 1073 is a barred spiral galaxy like the Milky Way; unlike the Milky Way, however, NGC 1073 does not have well formed symmetrical arms and the center