NGC 474 has a distorted structure (also known as ARP 227) and is classified as SA0^0(s);
NGC 470 is visually the smallest (actually, likely the smallest of the three) and classified SA(rs)b - it is also ARP 227NED01 by NED (designated as paired with
NGC 474);
NGC 467 is classified as peculiar - SA0^0(s)
pec. Their distances (by redshift) are 92, 95, and 235 million light years, respectively.
NGC 467 is interesting in that its actual size is quite large (given its further distance). What appear as background galaxies because of their comparatively small visual size are PGC 4755, PGC4765, PGC 1246524 and NSA 129071 - all are at similar or closer distances!
There are a few other background galaxies in the image that can be seen on the full size image some have ID's (some with distances) on the annotation. There are some bright Quasars and Quasar candidates in the image - one with a whopping redshift of 4.23 and a light travel time (Lookback) of 12.26 billion years.
Image and details can be accessed at the link below (or by clicking on the thumbnail image below). The annotated image has a link below but it can also be accessed from the main image webpage as well - or seen on astrobin. The full
FOV image can be accessed from the image webpage and has an image scale of about 0.73 arcsec/pixel.
Annotated Image:
NGC467, NGC470, NGC474 Annotated
Images also available on astrobin - NGC467 NGC470 NGC474
Scope: Celestron 9.25 Edge HD 235 mm at f/7
Camera: ASI294MM (Baader LRGB Filters)
Location: DAA Observatory, Shelter Valley, CA
Jim Thommes
Jim's Astrophotography
David Levy Maksutov Newtonian, Celestron Edge 9.25, FSQ-106N Refractor (on loan), WO ZenithStar 66 APO Refractor, WO Megrez II APO, Sigma 150 mm EOS Lens
Losmandy G11/Gemini, iOptron GEM45, Celestron Advanced VX, iOptron CEM70
ST8300M Camera, Atik 383L, Canon 350D (IR cut modified), ASI1600M, ASI294M, ASI260M
Observatory -
Desert Astronomy Association (Shelter Valley, CA)
