Cosmic perspective : NGC 4725 Group & LoTr 5

Image Description and Details :

 Here is a mosaic of 2 images with the main galaxies of the group NGC 4725 (located at about 55 million light-years) and the planetary nebula LoTr5, discovered in 1980 and located "only" at 1650 light-years from us! 
The small galaxy NGC 4712, to the right of NGC 4725, is located more than 200 million light-years away. 

A beautiful "cosmic perspective" with these different objects! 

Mosaic of 2 images in LRGB + OIII. ! 

The framing of the first image was not intended for a mosaic with the nebula field, so an important part of the final field had to be cropped. The difference in sky quality resulted in a poor homogeneity of the sky background and a difficult connection between the two images, which did not facilitate the processing of this one. 

A lot of time spent on processing to achieve a homogeneous result and highlight the nebula. 

LRGB+OIII version
TSA102 - AtikOne6.0 - AZEQ6
L : 32 x 600s bin 1
RGB : 72 x 300s bin2 
OIII : 18 x 600s bin2
Total : 14h20

Copyright: Jean-Baptiste Auroux

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AAPOD2 Title: Cosmic perspective : NGC 4725 Group & LoTr 5

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