Melotte 15 is an open cluster at the core of IC1805 otherwise known as the Heart Nebula in the constellation Cassiopeia.I think the subject lends itself to narrowband imaging in particular to the use of the Hubble palette.Conditions allowed 12x600s Ha 6x600s O111 but only 3x600s S11, assigned to green,blue and red channels.The scope, a Takahashi 106 refractor,camera Trius SX 694 with filter wheel and Lodestar off axis guider.Software used was Nebulosity for aquisition,AstroArt for calibration and stacking and PhotoShop for further processing.
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