Member Community Renew Search

Back To Main Menu

Back To Main Menu

Back To Main Menu

Get Involved
Give
The Planetary Fund

Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
Give Today

Back To Main Menu

About Us
The Planetary Society

Our Vision
Know the cosmos and our place within it.
Our Mission
Empowering the world's citizens to advance space science and exploration.

Back To Main Menu

Membership

Our Work
Explore Space
Take Action
Member Community
About
Membership
Account Center
Search

“Exploration is in our nature.” - Carl Sagan

Lunar eclipse via iPhone behind a telescope

Lunar eclipse via iPhone behind a telescope — Lunar eclipse via iPhone behind a telescope The sky conditions for this total lunar eclipse on 21 January 2019 were terrible, with clouds and high humidity preventing precise focusing. However, it was good practice for low-light imaging and optical alignment using a short focal length eyepiece.

Technical Details: Camera control app ProCam, telescope optics 70mm f/10 refractor with 10.5 mm orthoscopic eyepiece and no filter. Location: Santa FE, NM Barney Magrath

For full functionality of this site it is necessary to enable JavaScript. Here are instructions on how to enable JavaScript in your web browser.