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Picture submitted by Ian Smith


IMAGE IS OF MELOTTE 15, AN OPEN CLUSTER 7500LY AWAY AT THE CENTRE OF THE HEART NEBULA (IC1805) IN CASSIOPEIA. THE STRUCTURE AT THE CENTRE OF THE IMAGE IS A GIANT CLOUD OF HYDROGEN GAS CAUSED TO GLOW BY THE INTENSE ULTRAVIOLET RADIATION FROM THE OPEN CLUSTER. IMAGED WITH ATIK 383 MONO ON 10 INCH R-C AT F5.3 ON NEQ6, GUIDED WITH PHD/QHY5 AND PROCESSED WITH DSS/MAXIM AND PS5 USING HUBBLE PALETTE. TOTAL OF 7 HRS Ha/O3/S2 INTEGRATION TIME

[Ian Smith}