• NGC 6523, the Lagoon Nebula in Sagittarius (M8)
    • M8
    Annotated image
  • NGC 6523, M8 the Lagoon Nebula,
  • is an emission nebula in Sagittarius.
  • Hover over the image for an annotated view.
  • Date:  19 July, 2026
  • FOV:  approximately 95' × 63' 20"
  • Rotation:  −−0.036°
  • Telescope:  Stellarvue SVX102T + SFFX-1 (714mm, f/7)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • SVBony SV165 Mini 40mm f/4 guide scope
  • Computer:  ASIair plus
  • Mount:  ZWO AM5
  • Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS with gain 100
  • Resolution:  1.053 arcsec/pixel
  • Pixel size:  3.76 μm
  • Filter:  Optolong UV/IR cut
  • Total Time:  3 hours 15 minutes
  • Processing:  Pixinsight
  • preprocessing → thirty-nine frames
  • MGC, DBE, SPCC, BXT, NXT → Linear
  • MultiscaleAdaptiveStretch, Sat → Stars
  • Linear: StarXT, MAS, GHS/ProtectedHighlights,
  • CurvesTransformation, HDRMST55PhLm → Starless
  • PixelMath ScreenBlend(Stars, Starless), DynCrop/Scale
  • Location:  Darling Hill Observatory near Vesper, NY