• IC 1613, an Irregular Dwarf Galaxy in Cetus
    • IC 1613
    IC 1613 annotated
  • IC 1613 in Cetus is a Local Group galaxy 2.38 mly away.
  • The absence of dust and presence of RR Lyrae-type variables
  • helped astronomers make very accurate distance estimates.
  • Hover over the picture for an annotated version
  • Date:  24 October 2024
  • FOV:  cropped to 42' × 28';
  • IC 1613 is about 16.2' × 14.5
  • Rotation:  −0.098°
  • Telescope:  Stellarvue SVX102T + SFFX-1, 735.68 mm,
  • nominally 714mm, f/7
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • Stellarvue F050G 50mm guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  ZWO AM5
  • Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS with gain 100
  • Pixel size:  3.76 μm
  • Resolution:  1.053 arcsec/pixel
  • Filter:  Optolong UV/IR cut
  • Stacking:  one hundred and nine 240 second frames
  • with darks, flats, and dark flats in Pixinsight
  • Total Time:  7 hours 16 minutes
  • Processing:  Pixinsight – DBE, SPCC, BlurXT, NoiseXT, DynCrop → Linear
  • MStr, GHS, HST, MAS, PMath MStr + MAS + GHS + HST → Stars, Sat,
  • StarXT, MStr, MAS, GHS, HST, PMath MStr + MAS + GHS + HST → Starless,
  • HDRMXT6PhLm, Sat, PMath ~(~Stars*~Starless) → Blend, scale
  • Location:  Darling Hill Observatory near Vesper, NY