Year: 2023

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Winter 2023 Newsletter has been published!

October 28, 2023 John Martin Comments Off on Winter 2023 Newsletter has been published!
Issue #33 of the Rochester Astronomy Club Newsletters has been published. In this issue: Winter Outlook Winter Messier Astrophotography September Meeting Partial Eclipse Astrolabe Feature Article Rochester’s Sky Astronomy Puzzle You can download this issue HERE
Old Frontenac Outlook
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Frontenac Summer

July 30, 2023 Josef Chlachula Comments Off on 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 […]
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Supernova in M101

May 29, 2023 Josef Chlachula Comments Off on 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
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March Northern lights

March 24, 2023 Josef Chlachula Comments Off on 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 […]
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Members Blog

Astronomy League Carbon stars list

February 17, 2023 Josef Chlachula Comments Off on 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 […]
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Members Blog

Astronomy League Double stars list

February 17, 2023 Josef Chlachula Comments Off on 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″ […]