Object: NGC 2237, The
Rosette Nebula in Monoceros
Observing Site: Azor Observatory, Las Rozas, Madrid,Spain
Date: Ha data from March 10, 2007, SII and OIII data March 1, 2008
Camera: SBIG STL-11000M @ -20ºC
Telescope: ASA N10 Astrograph @ f/3.6, Losmandy G-11 mount
Filters: Astrodon 6nm H alpha
Exposure: SII,Ha,OIII: 120, 210 and 150 minutes (30 min subs)
Processing Software: Maxim DL, Photoshop
Comments: Shown at 50% size