info: Location : Corinth - Greece Telescopes : William Optics ed72 + astro-tech 65ed quadruplet Ccd : QHY 9 Mount : ASA DDM60 Guiding : unguided Field flattener : astrotech for w.o. ed72 Gain/Offset : 30% - 106 Temp : -25 Exposures : Ha bin 1x1 20x600sec Sii bin 3x3 10x900sec Oiii bin 3x3 10x900sec Calibration files : Darks - Bias - Flats - Dark Flats . Applications : Nebulosity - Photoshop - Maxim - Pixinsight - Cartes du ciel - Autoslew.