• 6888 in Cygnus, wide field Crescent Nebula
    • NGC 6888 in Cygnus, the Crescent Nebula
    Annotated image
  • NGC 6888, the Crescent Nebula in Cygnus,
  • is an emission nebula.
  • Hover over the image for an annotated view.
  • Date:  7 November 2024
  • FOV:  cropped to 2° 30' × 1° 40'; the angular size of NGC 6888 is about 18' × 12'
  • Telescope:  Stellarvue SVX102T + SFFR.74 reducer/flattener
  • (524.99mm, nominally 528mm, f/5.18)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • Stellarvue F050G 50mm guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  iOptron CEM40
  • Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS with gain 100
  • Pixel size:  3.76 μm
  • Resolution:  1.477 arcsec/pixel
  • Filter:  Optolong UVIR cut
  • Stacking:  thirty-five 240 second frames using PixInsight
  • Total Time:  2 hours 20 minutes
  • Processing:  Pixinsight – DynCrop, SPPC, DBE, SPCC, BlurXT, NoiseXT,
  • MStr, GHS, HST, PMath MStr + GHS + HST → Add, Sat, Scale
  • Location:  Darling Hill Observatory in Vesper, NY