Complex sentence: The star iPTF14hls was discovered in September 2014 by the Intermediate Palomar Transient Factory, and it was first made public in November 2014 by the CRTS survey as CSS141118: 092034 +504148.
Split into simpler sentences: The star iPTF14hls was discovered in September 2014 by the Intermediate Palomar Transient Factory. The discovery was first made public in November 2014 by the CRTS survey as CSS141118: 092034 +504148.