Arp 120 / Eyes Galaxies

NameEyes Galaxies
Designation(s)Arp 120, NGC 4435, NGC 4438, Markarian's Chain
Object Type(s)Galaxy
Relevant Catalog(s)All (Chron), Arp, NGC
Arp CategoryElliptical galaxies close to and perturbing spiral galaxies
Obs. Lat/Long42° 17', 073° 57'
ConstellationVirgo
Date and Time Observed2024-03-13 12:11:14
Instrument8" EdgeHD SCT
CameraASI294mc-Pro
Image DetailsUp is 272.7 degrees E of N. Total integration time was 36m. Exposures 30s@305g, UV/IR Cut Filter. Darks subtracted, no flats. Dithered and recentered in SharpCap. No guiding..
DescriptionWhat a fun target! The two galaxy centers are bright and were evident from the first 30 second frame. So the two galaxies "close to each other" is obvious, but it takes a while for the "perterbation" to become obvious. The extensive dust clouds connecting these galaxies are much lower brightness and took a while to become evident. Luckily it was a clear, dark night and I was able to continue integration until I judged minimal additional detail was forthcoming, after about half an hour. Very peculiar!
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