View Single Post
  #7  
Old 09-03-2022, 05:45 PM
JA
.....

JA is offline
 
Join Date: Oct 2016
Location: Melbourne, Australia
Posts: 3,052
Quote:
Originally Posted by glenc View Post
... Javelle found it with a 30" refractor at Nice, France. He described it as "very faint, very small." Its size is 0.4' by 0.2'.
Thx for sharing that Glen. Out of interest I searched for further information on the refractor: Diameter of 30.3 inches / 77cm with apparently a 17.9m focal length making it around f/23 (You've got to love mixed Imperial and SI).

Videos ....
https://www.youtube.com/watch?v=erWnSAqzgEU

https://www.youtube.com/watch?v=z-EfSzvwBOw

Best
JA
Reply With Quote