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| David Rosenthal | profile | all galleries >> Astrophotography >> Hydrogen Alpha | tree view | thumbnails | slideshow |
 NGC2359 in Ha |
 NGC2359 in Ha |
 NGC281 in Ha |
 NGC6888 |
 IC1396 |
 NGC6992 The Network Nebula |
 B343 & B344 |
 Hydrogen Alpha |
 Sh2-101 The Tulip Nebula |
 The Soap Bubble Nebula |
 NGC2237 Crop |
 NGC2237 "The Rosette" |
 IC417 |
 NGC2264 |
 M1 in Ha Cropped |
 M1 in Ha |
 Melotte 15, The Heart of the Heart |
 NGC1499 Ha |
 NGC281 in Ha |
 NGC6992 The Network Nebula |
 IC1318 Gamma Cygni Nebula |
 NGC6888 The Crescent Wide Field |
 NGC6888 The Crescent |
 NGC2237 |
 The Horse Head & Flame in Ha |
 IC410 The Tadpoles |
 NGC1491 The Embryo |
 NGC281 The Pac Man |
 NGC7635 The Bubble |
 IC5146 Crop |
 IC5146 The Cacoon |
 NGC7000 The Wall Crop |
 NGC7000 The North American Nebula |
 Veil Complex |
![Sadr Region in Ha [FS-60C]](http://ct4.pbase.com/t3/55/727855/4/114449211.QYvxwLzL.jpg) Sadr Region in Ha [FS-60C] |
 M57 The Ring Nebula |
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