Back to photostream

Twin Quasar near NGC3079

Near NGC3079 is the twin quasar (PGC 2518326) lies at redshift z = 1.41 (8.7 billion ly). "The Twin Quasar (also known as Twin QSO, Double Quasar, SBS 0957+561, TXS 0957+561, Q0957+561 or QSO 0957+561 A/B), was discovered in 1979 and was the first identified gravitationally lensed object. It is a quasar that appears as two images, a result from gravitational lensing caused by the galaxy YGKOW G1 that is located directly between Earth and the quasar".

en.wikipedia.org/wiki/Twin_Quasar

 

April 14th 2023

Celestron RASA 8"

ZWO183mc pro

ZWO EAF

Optolong l-Pro

ZWO air pro

Sky-Watcher HEQ5 Pro

24 mins Lights Flats , Darks and Bias.

Gain 122 at -10C

Processed in Pixinsight

521 views
10 faves
0 comments
Uploaded on April 15, 2023
Taken on April 16, 2023