Re: Ancient Stardust


Roland Christen
 

Ok, if I get a chance. Right now it's monsoon out there.

Rolando



-----Original Message-----
From: Dean Jacobsen <deanjacobsen@...>
To: main@ap-gto.groups.io
Sent: Tue, Jul 7, 2020 7:13 pm
Subject: Re: [ap-gto] Ancient Stardust

Roland, if you are into imaging star clusters - and who wouldn't be if they had one of those nifty 160EDF telescopes - then put NGC 7789 on your list.  It is another one of those ancient open clusters with numerous red giants.  Approximately 1.6 billion years old.  It is more than twice as big and much brighter than NGC 6791.
--
Dean Jacobsen
http://astrophoto.net/wp/
Image Gallery - http://astrophoto.net/wp/image-gallery/
Astrobin - https://www.astrobin.com/users/deanjacobsen/ 

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