Welcome to the Rochester Astronomy Club

Rochester, Minnesota

*** October Club meeting is cancelled ***

If you are new to our public observing events, click HERE for more information

Old Frontenac Outlook

Frontenac Summer

On Saturday, July 29, a long-planned astronomical observation took place in Frontenac State Park. Fortunately, the weather was nice and clear. People can especially enjoy walking the various trails in the park. For example, the Lower Bluffside Trail Loop takes you all the way down to the Mississippi River here called Lake Pepin. Members of the Rochester Astronomy Club arrived […]

Supernova in M101

Japanese astronomer Koichi Itagaki on May 18 2023 discovered supernova in the Galaxy M101 Pinwheel. Supernova was designated with name SN 2023ixf and it is about 21 million light years distant. Galaxy Messier 101  is well known to the amateur astronomers and it’s easy to find it close to the handle of Big Dipper. Now it’s passing every evening local […]
NOAA forecast

March Northern lights

On the evening of March 23, NOAA predicted increased auroral activity in the auroral ring over Greenland and Canada. This activity was expected to affect Minnesota at a lower intensity. The aurora was clearly visible to the naked eye even from light-polluted Rochester. One could even suspect that the streaks and clouds had some color tint. The color stands out […]
40 Eridani

40 Eridani B

Robert Fealey published on October 21st on forum post including beautiful picture above: https://rochesterskies.org/forum/topic/observing-tonight/page/167/#post-13989 The December Sky and Telescope mag motivated me to get out early this morning and see if I could observe and photograph “The First White Dwarf” star in 40 Eridani; the latter is a triple star with the B component a white dwarf. In the attached […]

Sirius B

On the 7th annual Star_BQ Sunday morning October 26, 2014 Dean Johnson had an idea to look at Sirius B. At first I didn’t understand what Dean was talking about, why should we look at bright Sirius. I realized later that he meant Sirius B, a weak companion of the brightest star in the sky, which only a few people […]

Submitted Photos