NGC 1087 – a Vera Rubin Galaxy

Designation(s)NGC 1035
Object Type(s)Galaxy
Relevant Catalog(s)All (Chron), NGC
Obs. Lat/Long42° 17', 073° 57'
ConstellationCetus
Date and Time Observed2025-11-20 21:26:00
InstrumentEdgeHD 8" w/f7 reducer-1,422mm FL
CameraPlayer One Apollo-M Mini
Image DetailsUp is 259.8 degrees E of N. Transparency: Good. Seeing: Good. Total integration time was 31m. Exposures 15s@225g, No filter. Dithered and recentered in SharpCap. No guiding.
DescriptionIn researching my Arp talk, I downloaded and read Vera Rubin's classic paper published in 1980 where she measured the rotation curves of 21 spiral galaxies ("Sc" or "Sbc" in the Hubble system) and hypothesized the existence of Dark Matter. She found "Neither high nor low luminosity Sc galaxies have falling rotation curves. Sc galaxies of all luminosities must have significant mass located beyond the optical image."
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