• NGC 7129, the Flower Bud Nebula
    • NGC 7129 in Cepheus, the Flower Bud Nebula
    Annotated image
  • The Flower Bud Nebula is a reflection nebula
  • 3.3 kly from us in the constellation Cepheus.
  • Hover over the picture for an annotated version
  • Date:  19 October 2026
  • FOV:  30' × 20'; the angular size of
  • NGC 7129 is 2' × 2'
  • Rotation:  179.996°
  • Telescope:  SVBony MK127 Mak-Cass (nominally 1500mm, f/11.8
  • calculated 1421.31mm, f/11.2)
  • Guiding:  ZWO ASI120MM mini mono guide cameras,
  • SVBony SV165 Mini 40mm f/4 guide scopes
  • Computer:  ASIair plus
  • Mount:  ZWO AM5 harmonic drive
  • Camera:  ZWO ASI071mc 90 gain (-10°C)
  • Pixel size:  4.78 μm
  • Resolution:  0.693 arcsec/pixel
  • Filter:  Optolong UV/IR cut
  • Stacking:  eighty-six 300 second frames using PixInsight
  • Total Time:  7 hours and 10 minutes
  • Processing:  Pixinsight – SPPC, DBE, SPCC, BXT, NXT → Linear
  • MStr, GHS, HST, PMath MStr + GHS + HST → Stars, Sat,
  • StarXT, MStr, GHS, HST, PMath MStr + GHS + HST → Starless,
  • HDRMST3PhLm, Sat, PMath ~(~Stars*~Starless) → Blend, scale
  • Location:  Darling Hill Observatory near Vesper, NY