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Contains:  NGC 4175, NGC 4174, NGC 4173, NGC 4171, Box, NGC 4169
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Hickson 61: The Box

Technical card

Resolution: 2000x1958

Dates:April 10, 2018

Astrodon 1.25" Blue Tru-Balance E-Series Gen 2: 20x150" bin 2x2
Astrodon 1.25" Lum Tru-Balance E-Series Gen: 40x300" bin 1x1
Astrodon Green E-Series Gen II 1.25": 20x150" bin 2x2
Astrodon Red E-Series Gen II 1.25": 20x150" -20C bin 2x2

Integration: 5.8 hours

Avg. Moon age: 24.10 days

Avg. Moon phase: 29.81%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 17.80 job: 2012428

RA center: 183.077 degrees

DEC center: 29.173 degrees

Pixel scale: 0.646 arcsec/pixel

Orientation: 359.334 degrees

Field radius: 0.251 degrees


Hickson 61, also known as "The Box" galaxy group is located in Coma Berenices. The large bluish irregular spiral NGC 4173, elliptical NGC 4169, the small NGC 4174 and edge-on NGC 4175 compose the box. NGC 4173 is at a closer distance of 50 mly and is a foreground galaxy. The other three at 180 mly are likely physically related.



Derek Santiago
License: Attribution Creative Commons

Sky plot

Sky plot


Hickson 61: The Box, 


            Derek Santiago