• NGC 5236 or M83 in Hydra, Southern Pinwheel Galaxy
  • M83 in Hydra, Southern Pinwheel
    Annotated image
  • The Southern Pinwheel Galaxy is a weakly barred,
  • grand design (two armed), spiral galaxy on the
  • borders of Hydra and Centaurus.
  • Hover over the image for an annotated view.
  • Date:  24 May 2023
  • FOV:  approximately 60' × 40'; the angular size of M83 is about 12'
  • Telescope:  Orion 127mm Mak-Cass (1540mm, f/12.1)
  • Guiding:  ZWO ASI385MC planetary camera,
  • ZWO 30F4 30mm mini guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  iOptron CEM40
  • Camera:  ZWO ASI071MC pro cooled to -10°C
  • Pixel size:  4.78 μm
  • Resolution:  0.715 arcsec/pixel
  • Filter:  none
  • Stacking:  Fourteen 240 second frames using Pixinsight
  • with dark flats, darks, and flats preprocessed in Pixinsight
  • Total Time:  56 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, DynCrop, BlurXT, NoiseXT,
  • HST, GHS, MStr, PMath MStr + GHS + HST, HDR6,
  • Bkg, PMath, max(HDR6,Bkg), Sat, DynCrop/Scale
  • Location:  Darling Hill Observatory near Vesper, NY