NGC 3938 is an unbarred spiral galaxy in the Ursa Major constellation. It is one of the brightest spiral galaxies in the Ursa Major South galaxy group and is roughly 76,000 light years in diameter. It is approximately 41.4 million light years away from Earth. NGC 3938 is classified as type Sc under the Hubble sequence, a loosely wound spiral galaxy with a smaller and dimmer bulge. The spiral arms of the galaxy contain many areas of ionized atomic hydrogen gas, more so towards the center.
Five supernovae have been identified within NGC 3938.
NGC 3938 is a member of the NGC 4111 Group, which is part of the Ursa Major Cloud and is the second largest group in the cloud after the NGC 3992 Group.
NGC 3938
NGC 3998
NGC 3938
Photographed with the RC8″ reflector and the ASI 2600MC color CMOS camera in Stuvsta, March 9th, 2026. Exposure was 30*3 min with IDAS LPS P3 filter. Postprocessing in Pixinsight and Photoshop.