Source : OMC1

Line : H2CO(5-4)U

Date	pwv [mm]	El [°]	Maximum [K]	Area [K*km/s]	Position [km/s]	Linewidth [km/s]	Spectrum
2009-01-11	0.72	57.2	23.48	309.56	---	---
2009-10-08	0.80	53.7	28.11	360.37	---	---
2009-11-07	1.18	52.5	25.11	330.79	---	---
2009-12-06	0.42	36.6	25.82	335.16	---	---
2010-02-10	1.53	39.7	22.28	293.26	---	---
2010-09-29	0.58	57.8	28.61	322.07	---	---
2010-12-08	1.10	37.7	25.87	342.98	---	---
2011-05-18	0.79	57.4	25.80	342.20	---	---
2011-08-04	0.32	46.0	25.55	335.00	---	---
2012-01-15	0.57	43.9	20.41	280.45	---	---
2012-08-26	1.51	66.2	21.52	286.70	---	---
2012-09-21	0.27	55.4	27.81	346.30	---	---
2012-11-18	0.65	62.2	29.02	383.76	---	---
2013-01-03	0.74	56.9	26.86	355.54	---	---
2013-01-05	1.11	71.7	25.71	338.93	---	---
2013-11-14	1.60	57.8	30.24	398.57	---	---
2013-11-29	0.72	45.9	29.45	396.33	---	---
2014-03-16	1.19	42.6	33.54	420.04	---	---
2014-04-08	0.77	69.9	26.86	362.49	---	---
2014-04-21	1.03	64.0	28.18	359.05	---	---
2014-08-22	0.98	65.3	26.64	354.25	---	---
2015-01-02	0.80	65.3	28.56	370.68	---	---
2015-11-30	1.28	57.8	25.94	330.35	---	---
2016-02-10	2.11	37.6	23.87	295.74	---	---
2016-09-25	0.77	41.3	28.52	336.16	---	---
2017-02-10	1.25	40.7	21.63	317.01	---	---