NGC 4731 (Full Frame) by Marcus Davies (marc4darkskies)

Marcus Davies (marc4darkskies) | all galleries >> bellsobservatory >> photography >> Galaxies and Clusters >> NGC 4731 > NGC 4731 (Full Frame)

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18-May-2020

NGC 4731 (Full Frame)

NGC 4731 is a somewhat warped barred spiral galaxy about 65 million light-years away and is a member of the Virgo Cluster. There is a galaxy out of frame (NGC 4697) that has gravitationally distorted 4731. The small galaxy to the lower left is an irregular galaxy designated NGC 4731A

SBIG STXL 11002M, FW8G, AO-X,Officina Stellare ProRC360
This is 920 minute (15.33 hour) LLsRGB image using 10 & 15 minute subs.
Subject dimensions: 6.7 x 4.1 arc minutes
FOV: 39.4 x 26.2 arc minutes @ 0.59 arc second/pixel

Seeing ranged from good (for RGB) to poor (for Lum): 1.7 to 2.6 arcsec FWHM

Data: CCDAutopilot and TheSkyX
Processing: CCDStack and Photoshop full exif

other sizes: small medium large original auto

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