• NGC 5904 or Messier 5 in Serpens
    • M5
    M5 in Serpens
  • NGC 5904, M5, in Serpens
  • is a globular cluster with wide spaced arcs of stars.
  • Hover over the picture for an annotated version
  • Date:  4 June 2024
  • FOV:  cropped to 60' × 40'; the angular size of M5 is about 23'
  • Telescope:  Stellarvue SVX102T + SFFX-1 flattener (714mm, f/7)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • ZWO 30F4 30mm mini guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  ZWO AM5 mount
  • Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS with gain 100
  • Pixel size:  3.76 μm
  • Resolution:  1.051 arcsec/pixel
  • Filter:  none
  • Stacking:  seventy-three 240 second frames
  • with 20 dark flats, darks, and flats preprocessed in Pixinsight
  • Total Time:  4 hours 52 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, DynCrop, BlurXT, NoiseXT + Mask,
  • Mask + NoiseXT, HST, GHS, MStr, PMath MStr + GHS + HST → PM,
  • Mask + Halo reduction on 5 Ser, Sat, Scale
  • Location:  June 4 Darling Hill Observatory near Vesper, NY