NGC 3735 is a spiral galaxy in the constellation of Draco. Its velocity with respect to the cosmic microwave background is , which corresponds to a Hubble distance of . Additionally, 19 non-redshift measurements give a closer mean distance of . It was discovered by German-British astronomer William Herschel on 7 December 1801.
NGC 3735 is a Seyfert II galaxy, i.e. it has a quasar-like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.
Supermassive black hole Based on measurements of the near-infrared K-band luminosity of the galaxy's bulge, NGC 3735 has a supermassive black hole with a mass of (40 million solar masses).
Nuclear maser source A survey conducted in 1996 and 1997 for maser emission in the active galactic nuclei of 29 galaxies found one new maser in NGC 3735.
NGC 3735 group NGC 3735 is a member the NGC 3735 group (also known as LGG 240), which contains three galaxies, including and .
Supernova One supernova has been observed in NGC 3735: SN 1998cn (TypeIa, mag. 15.8) was discovered by Michael Schwartz on 17 June 1998.
See also List of NGC objects (3001–4000)
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