NEBULOSA DE LA ROSETA NGC 2237 NGC 2244 LRGB ------- HA SII HA OIII / HA SII HA OIII / HA HA OIII OIII http://nova.astrometry.net/user_images/1443053#annotated http://nova.astrometry.net/user_images/1441763#annotated ROSETA LRGB----- HA/ HA100 /OIII80 /OIII60 ROSETA LRGB----- HA/ HA100 /OIII80 /OIII60 SCNR VERDE