NGC 3718 14-15 March 2007, Lure Mountain, 1600-meter elevation, inside the dome, Celestron 14 (14" SCT) + Celestron focal reducer leading to 1.96 meter i.e. @f/5.5, SBIG ST-10XME CCD camera + CFW-8 filter wheel with Astrodon filters, AO-7 driven by Equinox Image, 135-minute quadcolor image (L = 20 x 3 minute, R, G and B = 5 x 5 minutes), anticyclonic, no wind, transparency medium, temperature inside dome stable at +8 °C, dry air, seeing good to very good (FWHM around 2.0" for each of the 20 3-minute luminance raw images)

SBIG control : Equinox Image, image processing software : TINA

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