Heart of the Heart

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IC1805 Heart nebula in Cassiopeia is well known hydrogen cloud, very appreciated by astroimagers. This object is placed 6000 light years away. In its apparent center there is very young open star clus... Read More

WeBo1 and Mel15

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Do you remember december molecular trophies? There were hydrogen alpha only band of Melotte 15 open cluster in the middle of the Heart nebula IC1805. I collected some more – oxygen III band and ... Read More

Hydrogen Phantom Mask

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This one is HII molecular hydrogen cloud in Perseus arm of our Galaxy. It’s Sharpless number is Sh2-173, and can be found in Cassiopeia close to NGC103 open cluster (at the frame bottom). Pretty... Read More