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Thanks to

For Their Support

Astronomers Without Borders


Located in Portland, Oregon, the Rose City Astronomers (RCA) is the largest amateur astronomy club in the Pacific Northwest. As a non-profit volunteer organization, RCA is dedicated to promoting the enjoyment and education of astronomy to our members and the general public. A general membership meeting is held on the third Monday of each month at OMSI, usually featuring a noted guest speaking on an astronomy-related topic Guests and potential members are welcome to attend.

April Meetings
Friday - Apr 4th - Noon
McMenamins - 1540 NE Broadway
RCA Board Meeting
Monday - Apr 7th - 7pm
Astro-Imaging SIG
Wednesday - April 9th - 7pm
Telescope Workshop
Saturday - Apr 12th - 10am-3pm
Introduction to Astronomy
Monday - Apr 21st - 6:30pm
General Meeting
Monday - Apr 21st 7:30pm
Cosmology SIG
Apr 23rd - 7pm
May Meetings
Friday - May 2nd - Noon
McMenamins - 1540 NE Broadway
RCA Board Meeting
Monday - May 5th - 7pm
Astro-Imaging SIG
Wednesday - May 14th - 7pm
Telescope Workshop
Saturday - May 17th - 10am-3pm
New Members Orientation
Monday - May 19th - 6:30pm
General Meeting
Monday - May 19th 7:30pm
Cosmology SIG
May 21st - 7pm

RCA Donations - Make a tax deductible donation to the general fund, Youth Scholarship Fund, Library, Telescope Library or the Observing Site project.


Next OMSI Public Star Party
May 10th - Astronomy Day Celebration
Stub Stewart and Rooster Rock State Parks

Next Haggart Observatory Public Night
Saturday May 17th, 9:00pm - Midnight

Our Next General Meeting is
Monday, May 19th 7:30pm
OMSI Auditorium
RCA Astronomy Fair

Introduction to Astronomy
Monday, May 19th 6:30pm
OMSI Planetarium
" Topic TBA"

Parking is FREE for all of our meetings at OMSI
Guests and potential members are welcome to attend
The OMSI Auditorium is equipped with T-coil Audio Loop

Click for Portland, Oregon Forecast

This week's Sky at a Glance from Sky & Tel Magazine

The Sky This Week from Astronomy Magazine

Monthly Sky Charts from Orion Telescopes

Monthly Sky Charts from Skymaps

Today's Sun from Spaceweather

Visible Satellite Flybys from Spaceweather

American Meteor Society list of Meteor Showers
You can also report Fireballs here

Comet Chasing this month from Skyhound


Rosette Gazette Newsletters

Current Issue

Light Pollution - a Radio Broadcast with Dave Ingram
NW District Chairman of the IDA

Losing The Dark - a six-minute video about Light Pollution

Past Programs & Presenters at RCA Meetings

RCA Members who have completed
Astronomical League Observing Programs

Our Sister Club

GAMA (Grupo de Astronomos Mendocinos Aficionados)
Mendoza, Argentina

Many of our members have taken trips to Mendoza
Read about their adventures here

Articles on Southern Hemisphere Observing
by Leo Cavagnaro, GAMA, Mendoza, Argentina



We're on Facebook as
"Rose City Astronomers"

We're on Twitter as


For information about how to start, suggested books and charts, types of telescopes, star gazing tips, introduction to star parties, lists of observable objects, Astronomical League Notes and Awards, check the Resources - Information section of our website

For more information contact the Officer or Leader as listed on the event page or the Contacts page.

2014 The Rose City Astronomers  All Rights Reserved

Top image credits: Center, Jan Keiski & Dave Duncan; 2 side images, Dave Haworth; Complete image editing & processing, Diana Murray