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SH2-308 - The Dolphin Head Nebula
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The Dolphin Head Nebula                 

 

 

 

 

 

 

 

 

 

 

 

  Object The Dolphin Head Nebula, SH2-308, in Canis Major
  Telescope (Photo) William Optics Redcat 51 III OTA @ f/4.9 on Losmandy G-11 Mount
  Telescope (Guiding) Off-axis using OAG-Large with Redcat 51 III OTA @ f/4.9 on Losmandy G-11 mount
  Camera (Photo) ZWO ASI6200MM Pro full-frame monochrome CMOS Camera with ZWO 7 position 2" filter wheel, controlled by Sequence Generator Pro 
  Camera (Guiding) ZWO ASI174MM Mini w/PHD2 Guiding
  Exposure Detail Combination of 194 images at 300 seconds each:   
   99 Ha   
   95 OIII
Total 16.25 hours data capture, using ZWO 2" narrowband filters.  Calibrated with bias, flat-dark, and flat frames; image processing w/PixInsight 1.9.2
Location Quilted Starfields Observatory, Chiefland, FL  (N29.406, W82.859)
  Date 01/24/2025-01/26-2025