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Observatory Parameters
Feb 25
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
Waxing Gibbous
13:18 03:10
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Great Globular Cluster in Hercules, Astrophotography by Doug_Alcona


  • Imaging telescope / lens: Meade Catadioptric 8inches LX80
  • Imaging camera: Canon T6i (CMOS)
  • Mount: Equatorial Celestron AVX
  • Guiding camera: Orion Starshoot Autoguider (CCD)
  • Processed with: PHD Guiding (Stark Labs)
    Backyard EOS

Frames / Subs



  • ISO: 1600

Spatial Info

  • Image Size: 4,320 x 3,456 pixels
  • Image Scale: 0.412 arcsec / pixel
  • Visual Field: 0º 29' 38''
  • RA Center: 16h 41m 33s
  • DEC Center: 36º 29' 55''
  • Orientation: 105.091 degrees E of N

Sky Maps



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