• Messier 101 in Ursa Major with SN 2023ixf
    • M101 with SN
    M101 before the SN
  • NGC 5457 or Messier 101 in Ursa Major.
  • Supernova 2023ixf is visible 23 mly away.
  • 7 May 2022 image with no SN
  • Hover over the picture to compare the 2023 and 2022 images
  • Date:  24 May 2023
  • FOV:  cropped to 60' × 40'; the angular size of M101 is about 29 × 27'
  • Telescope:  Stellarvue SVX102T + SFFX-1 (714mm, f/7)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • Stellarvue F050G 50mm guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  ZWO AM5
  • Camera:  Canon EOS T6s with iso 1600
  • Filter:  Baader Light Pollution Moonglow filter with IR cut
  • Stacking:  Fifty 240 second frames using Pixinsight
  • Calibration frames:  20 dark, 20 flat, 20 dark flat
  • Total Time:  3 hours 20 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, BlurXTerminator,
  • NoiseXTerminator, GHS, HDRMST, Sat, DynamicCrop
  • Location:  Darling Hill Observatory near Vesper, NY