All Listings in Chronological Order

This page lists all observations in order of observing date (oldest first). Click on Recents for descending date order.

Page 52 of 55
observations 511-520 of 545 total to date.

Date Thumbnail Title/link Designation(s) Comment
2026-02-27 21:41:00
Arp 160 / NGC 4194 / Medusa Merger Galaxy
Arp 160, NGC 4194Late stage merger, or "disturbed with interior absorbtion?" You be the judge!
2026-02-27 23:58:00
Arp 294 / NGC 3786 / NGC 3788
Arp 294, NGC 3786, NGC 3788Those pesky "Peculiar filaments."
2026-03-01 20:41:00
Arp 215 / NGC 2782
Arp 215, NGC 2782Adjacent loops? Two galaxies nearly merged?
2026-03-01 20:48:00
Arp 283 / NGC 2798 / NGC 2799
Arp 283, NGC 2798, NGC 2799Finally, Arp describes a "merger". Sort of.
2026-03-01 23:37:00
Arp 266 / NGC 4861
Arp 266, NGC 4861A profoundly odd, irregular galaxy.
2026-03-02 20:29:00
Arp 200 / NGC 1134
Arp 200, NGC 1134Did Arp 200 eject its companion? Arp thought so.
2026-03-02 22:17:00
Arp 315 / NGC 2830 / NGC 2831 / NGC 2832
3 NGC galaxies at the center of a much larger cluster designated Abell 779.
2026-03-04 20:35:00
Arp 82 / NGC 2535 / NGC 2536
Arp 82, NGC 2535, NGC 2536Almost an M51 clone except for the long tidal trail emanating from NGC 2435
2026-03-04 21:30:00
Arp 316 / NGC 3187 / NGC 3189 / NGC 3193
Arp 316, NGC 3187, NGC 3189, NGC 3193A wide-field view of a cluster taken by Arp using the 48" Schmidt... roughly the same as my 8"
2026-03-08 21:00:00
Arp 245 / NGC 2992 / NGC 2993
Arp 245, NGC 2992, NGC 2993Interacting galaxies representing my 169th Arp observation: 50% of the Atlas