Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 3718  ·  NGC 3729  ·  NGC3718  ·  NGC3729
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NGC3718, 



    
        

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NGC3718

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NGC3718, 



    
        

            tommy_nawratil
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NGC3718

Imaging telescopes or lenses: Lacerta Photonewton

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Skywatcher AZ-EQ6

Guiding telescopes or lenses: Skywatcher 9x50 finder

Guiding cameras: Lacerta MGEN

Software: Photoshop  ·  Pleiades Astrophoto, S.L. Pix Insight  ·  APT - Astro Photography Tool APT 3.13

Filters: Astronomik LRGB 31mm

Accessory: Skywatcher/Lacerta GPU comacorrector


Dates:April 7, 2018

Frames: 182x180"

Integration: 9.1 hours

Avg. Moon age: 21.42 days

Avg. Moon phase: 57.69%


Astrometry.net job: 2575474

RA center: 11h 32' 57"

DEC center: +53° 3' 55"

Pixel scale: 1.178 arcsec/pixel

Orientation: 1.409 degrees

Field radius: 0.260 degrees


Resolution: 1270x952

Locations: my lovely garden, near Vienna, Austria

Data source: Traveller

Description

The famous polar ring galaxy NGC3718 with companion NGC3729 in UMa, right below of it Hicksons Compact Group Nr.56 or HCG56 in short. The distance is about 49 Mio. lightyears, while HCG56 is estimated to be about 10 times further.

LRGB with ASI1600MM-cool at gain zero and Astronomik Deepsky RGB filters. 10" f/4 Lacerta Photonewton on AZEQ6 guided/dithered by MGEN.

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NGC3718, 



    
        

            tommy_nawratil