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2 1 23 IC1805 Canon200mmf3.8 533MC final gigapixel standard scale 1 40x Web


2 1 23 IC1805 Canon200mmf3.8 533MC final gigapixel standard scale 1 40x Web

2-1-23 Heart Nebula (IC1805) 2 hrs in 60 min subs with L-Extreme filter. Canon 200mm f2.8 lens with reduction of aperture from 72mm to 52mm with step down ring, producing f3.8. ZWO ASI 533MC camera. Background adjusted in Photoshop Elements using replace color and stars edited using Starnet++.






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