V1405 Cas - Nova in Cassiopeia
Image Description and Details :
The two images on the left date back to 23 June 2020 while the two on the right were made on 14 May 2021, the latter clearly highlight the presence of the nova V1405 Cas discovered on 18 March 2021 and which at the time had an approximate magnitude of 9 , 6 but in the last few days the magnitude has unexpectedly risen to about 5.2. It is hypothesized that the star that produced the nova is the eclipsing variable CzeV3217 located at a distance of about 5,500 light years from the Solar System, V1405 Cas was initially classified as a "classic nova" or the result of an explosion that occurred in a binary system consisting of a star and a white dwarf but further studies are currently underway. In order to show more details the original frames were heavily cropped.
Images by: Luca Balestrieri Cosimelli & Nicoletta Guarniera
June 2020 image 23x360s Skywatcher 150/750 Skywatcher AZ EQ5 Canon 200D
May 2021 image 15x300s Skywatcher 200/800 Skywatcher AZ EQ6 SBIG STF8300C
Copyright:Luca Balestrieri Cosimelli
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AAPOD2 Title: V1405 Cas - Nova in Cassiopeia
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