WTTM means WIYN
Wisconsin, Indiana University, Yale University, and NOAO National Optical Astronomy Observatories Observatory Tip-Tilt Module in
Astronomy
Similar to WTTM
ABB - After the Big Bang
ABBA - ADC Backend For Bolometer Array
ABF - Astronomische Beeldverwerkings Faciliteiten
AC - Ascendant Cusp
AC - Active Coronae
ACA - Atacama Compact Array
ACIT - Automatic Comet Imaging Telescope
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