16 oct 2020

cúmulos again

 After two consecutive nights at The Helix, these came before and after said planetary nebula.

distances  ly   discovered  date              age 

37      4511 Hodiema     ~1654             550 million 

1245    9800 Herschael   11 December 1786  1 billion years

open cluster m37 in auriga
700d on nt150s    27x4min @ ISO800



open cluster ngc1245 in perseus
700d on nt150s    34x4min @ ISO800


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