La foto pertenece al astrónomo Belga Karel Teuwen www.karelteuwen.be

Datos técnicos:
Instrument: 40cm corrected Newton@f3.75 mounted on an ASA DDM85
Detector: FLI ML16803 + CFW-5-7
Filters: Astrodon Gen2 Tru-Balance E-series LRGB + Baader H-Alpha 7nm
Exposures: Lum : 525 min, H-Alpha : 400 min, RGB 245:240:365 min (all 1x1bin)
Location: Verclause (France)
Date: 28, 26/05 & 08, 09, 19, 20/06/’2011 and 28, 29/02 & 01, 02, 03/03/2012
Comments: data acquired remotely by ROSA