M94

M94, a LRGB picture, exposure time LUM=43*3min. R, G, B=9*3min. each. Dark, flat frame subtraction done on each sub-frame. Astronomik filters used and additionally an IDAS LPS 2" filter also used. Taken with Meade LX200ACF 16", Optec NextGEN Wide Field 0.5X reducer and SBIG ST-8XME; 24->25. April-09.

Published in S&T archive,
http://media.skyandtelescope.com/images/M94_LRGB-1000.jpg

Published via/in Meade4M:
http://www.meade4m.com/cgi-bin/gal_display.cgi?image=1948