NEW DISCOVERY: the M31 [OIII] emission arc /// STROTTNER-DRECHSLER-SAINTY OBJECT 1

by Marcel Drechsler

Objects in field: Andromeda Galaxy, M 31, M 32, M 110, NGC 205, NGC 221, NGC 224, 35 And, The star ν And

Equipment: Takahashi FSQ-106EDX4, ZWO ASI2600MM Pro

Integration: 111h

A YouTube presentation is available in three languages: english · français · deutsch Discovery short paper RNAAS Research notes of the AAS (short paper) IMPORTANT NOTE The emission arc appears very bright in the images - but it is an extremely faint object that can only be adequately visualized by special subtraction techniques, since the signal in the unprocessed condition is almost completely…