The Lagoon & Trifid Nebula Wide Field M8, M20 & More

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Anacortes Telescope & Wild Bird Astronomy Picture of the Day
September 2, 2004

Image Data: Object Information:
  • 2 Frame Mosaic
  • Exposure (each frame):   LRGB 24x5min:10x5min:10x2.3m:10x3.25m
    • Luminance binned 1x1
    • RGB binned 2x2
  • RGB Combine Ratios:  1.0:1.0:1.0
  • Telescope:  Stellarvue SV80S @ f/4.9
  • Mount:  Meade LX200 w/ super wedge
  • Camera:  SBIG ST-2000XM CCD, SBIG CFW-8
  • Location:  My backyard in Goleta, CA
  • Date/Time: 
    • July 11/12, 2004,  22:37-00:58 PDT
    • July 12/13, 2004,  22:27-00:26 PDT
    • July 13/14, 2004,  23:37-01:51 PDT
    • July 16, 2004,  22:37-23:32 PDT
    • July 17, 2004,  22:52-23:57 PDT
  • Processing:  Taken and reduced in CCDSoft v5.  Combined sub-exposures with Ray Gralak's Sigma Clip.  DDP to Luminance and Color with custom software.  Color combined with custom software.  Combined frame registrstion done in Registar.  Gradients removed, levels/saturation adjusted, Luminance applied, Unsharp Mask in Photoshop 8.
  • Name: The Lagoon Nebula, The Trifid Nebula
  • Includes these objects:
    • M8, M20, NGC6530, NGC6559, NGC6546, IC1275, IC1274, IC4678, IC4684, IC4685, B91, B303, & GN18.06.6.01,
  • Type:  Open Cluster, Reflection Nebula, Emission Nebula
  • Constellation:  Sagittarius


  • About the Lagoon Nebula (M8)
  • About the Trifid Nebula (M20)
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