Whether you're a beginner, intermediate or advanced astro-imager — whether you're using a CMOS, DSLR, point-and-shoot or smartphone — this Astro Imaging group can help you achieve better images with less effort and frustrations.

If you need help with a telescope project, need to clean or align your optics, repair or replace part of your telescope, or just want to talk about telescopes, come to the next Telescope Workshop. Subjects include telescope building from scratch or a kit, telescope setup, cleaning, aligning, adjustment, repair, and help using your telescope.

The telescope library is an amazing resource for RCA members. To find out more information about the library click right here!

New members are welcome to meet at 6:30 PM before the General Meeting for an orientation and introduction to Rose City Astronomers.

If you have questions about the club or things you'd like to discuss with other newer members, bring those with you!

Dr. Robert J. Lillis is a planetary space physicist and geophysicist at the University of California, Berkeley's Space Sciences Laboratory, where he serves as Associate Director of the Planetary Group.

Auroras on Mars provide a dramatic view into how the planet’s atmosphere interacts with the solar wind, offering key insights into its magnetic and atmospheric behavior. Unlike Earth, Mars lacks a global magnetic field, resulting in three distinct types of aurora: *diffuse aurora*, seen across much of the nightside during intense solar storms; *electron aurora* (often called discrete aurora), which is confined to regions with strong crustal magnetic fields; and *proton aurora*, caused by incoming solar wind protons interacting with the upper atmosphere. NASA’s MAVEN spacecraft has been instrumental in discovering and studying these auroras, particularly through its ultraviolet and particle instruments. The Emirates Mars Mission has complemented this work by providing wide-field, global observations of auroral activity, helping to track how it evolves over time and space.

The Women's Astronomy Special Interest Group focuses on Community, Learning & Mentorship with Monthly Meetings and Events.

An email blast with event information will be sent out to members.

We have a new SIG that is forming for radio astronomy. If you want to try your hand at radio astronomy, or just learn a little more about this facet of astronomy then you are welcome to attend our SIG meetings. Mike Caba and Matt Vartanian will co-host this SIG virtually on the fourth Thursday of every month.

Whether you're a beginner, intermediate or advanced astro-imager — whether you're using a CCD, DSLR, point-and-shoot or film camera — this group can help you achieve better images with less effort and frustrations.

 Join us at noon on the first Fridays of every month for good conversation and good food! All members are welcome!

𝐇𝐚𝐯𝐞 𝐲𝐨𝐮 𝐫𝐞𝐠𝐢𝐬𝐭𝐞𝐫𝐞𝐝 𝐲𝐞𝐭? If you’re an RCA member, you’ll find the event details and registration link in your email inbox. Space in the universe might be infinite, but space for Downtowners is limited to 20 attendees, so sign up early!