RE: brightness of James Webb Space Telescope

From: Ted Molczan via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 25 Dec 2021 05:03:19 -0500
Daryl Bahls asked:

> On a slightly different, but related topic.  What would the expected
> brightness be shortly after launch at a range of 100,000 to 150,000 km?
> 
> I have a friend who is going to attempt (weather permitting) to photograph
> JWST during that first night pass over the western hemisphere and we were
> wondering what we may, or may not see.

Assuming it remains in its stowed configuration, I estimate mag 13 at 100,000 km and mag 14 at 150,000 km. Uncertainty is +/- 2 magnitudes.

Ted Molczan



_______________________________________________
Seesat-l mailing list
http://mailman.satobs.org/mailman/listinfo/seesat-l
Received on Sat Dec 25 2021 - 04:04:31 UTC

This archive was generated by hypermail 2.4.0 : Sat Dec 25 2021 - 10:04:31 UTC