Sun funnel

0 views
Skip to first unread message

Ernie Wright

unread,
5:14 PM (2 hours ago) 5:14 PM
to HAL Group
Rick Fienberg recently reposted this link to a DIY Sun projection device
made from a plastic funnel, an old Plossl eyepiece, and a sheet of rear
projection material:

https://eclipse.aas.org/sites/eclipse.aas.org/files/Build_a_Sun_Funnel_v3.6.pdf

I made one this week and had a chance to test it today. It works pretty
well and seems like a good way to share views of the Sun.

- Ernie W.
sun_funnel1.jpg
sun_funnel2.jpg
Reply all
Reply to author
Forward
0 new messages