one exposure 709 sec ,canon 350d baader modif.,lens tamron 180,filter Ha 7nm.
THE SOUL (IC 1805) AND HEART(IC 1848) NEBULAE IN PERSEUS
one exposure 709 sec ,canon 350d baader modif.,lens tamron 180,filter Ha 7nm.
one exposure 709 sec ,canon 350d baader modif.,lens tamron 180,filter Ha 7nm.
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