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Contains:  NGC 877, NGC 876, NGC 871
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NGC876/877 - A New Rose, 


            Jason Guenzel
NGC876/877 - A New Rose

NGC876/877 - A New Rose

Technical card

Resolution: 2031x1535

Dates:Sept. 2, 2016Sept. 3, 2016Sept. 5, 2016Sept. 25, 2016Sept. 27, 2016

Blue: 20x180" -20C bin 1x1
Green: 7x180" -20C bin 1x1
Luminance: 89x180" -20C bin 1x1
Red: 14x180" -20C bin 1x1

Integration: 6.5 hours

Darks: ~50

Flats: ~50

Bias: ~256

Avg. Moon age: 11.48 days

Avg. Moon phase: 12.26%

Bortle Dark-Sky Scale: 5.00 job: 1277630

RA center: 2h 17' 42"

DEC center: +14° 31' 8"

Orientation: -92.762 degrees

Field radius: 0.373


Most sources agree that the pairing of NGC876 (edge-on) and 877 lies somewhere between 150 and 170 million light years distant. Though specifics are scarce, I’d wager a bet that these are indeed an interacting pair. The faint extended tidal tails of NGC877 indicate some sort of past disruption. When I look at the image here, I get the distinct impression that one of these tails is actually sitting between us and the edge-on NGC876 galaxy, diminishing it’s light. Regardless of the specifics, I immediately thought this pairing looked quite a bit like ARP273, “The Rose”.

There are actually a few other galaxies here that share the similar estimated distance. The diffuse and low surface brightness UGC01761 and the alarmingly bright and compact NGC871. It is quite possible that these are all a fairly tight grouping within 1-2 million light years.

This area of sky is absolutely littered with smaller galaxies. NGC870 is one of the more prominent ones. One that specifically caught my eye was 2MFGC 01771, for which I found very little information. It looks just like the Needle Galaxy, only much more distant and can be seen at the bottom center of the frame.

It’s a nice little field, and I didn’t collect enough data to do it true justice. Maybe someday…




Jason Guenzel
License: None (All rights reserved)

Sky plot

Sky plot


NGC876/877 - A New Rose, 


            Jason Guenzel