No Picture
Members Blog

Hubble’s challenge to Josef after 35 years

I’m old enough to remember the launch of the Hubble telescope. And right after that, the surprising image sharpness problems. NASA came out with a call this year for the 35th anniversary of the Hubble launch, basically for anyone interested in watching the sky overhead. All an observer has to do is tell others about the challenge and they’ll spot […]
No Picture
Members Blog

My first contributor post

Hello everyone! This is just test article (or post) to test writing and publishing process.  I believe, this my profile “chlachula” has in this moment WordPress user roles Contributor and Subscriber. As a contributor, I have to submit article for review. I am going to publish in Members Blog category.
Old Frontenac Outlook
FrontPage

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 […]
FrontPage

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
FrontPage

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 […]
No Picture
Members Blog

Astronomy League Carbon stars list

Table based on AstroLeague.org observing program Carbon Stars file CarbonStarList3.pdf. # Name RA DEC Mag. Per Con Type Cat HIP Desig HD Desig 1 WZ Cas 00 01 15 +60 21 19 6.9-11.0 186 Cas C9(N1) SAO 21002 HIP 99 HD 224855 2 SU And 00 04 36 +43 33 04 8.0-8.5 Irr. And C6(Nb) GSC 2793:243 HIP 363 HD […]
No Picture
Members Blog

Astronomy League Double stars list

Table based on AstroLeague.org observing program Double Stars file DS-MasterObjectList2021.pdf # Name RA DEC Mag Sep Pos. Angle Last WDS measure 1 Eta Cassiopeiae 00h 49m.1 +57° 49′ 3.5, 7.4 13.4″ 326° 2019 2 65 Piscium 00h 49m.9 +27° 43′ 6.3, 6.3 4.4″ 115° 2020 3 Psi 1 Piscium 01h 05m.6 +21° 28′ 5.3, 5.5 29.8″ 159° 2018 4 Zeta Piscium 01h 13m.7 +07° 35′ 5.2, 6.3 22.8″ […]
40 Eridani
FrontPage

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 […]
FrontPage

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 […]