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05/17/2019 – Ephemeris – Astronomical viewing and exhibits at the Northwestern Michigan College’s Barbecue

May 17, 2019 Leave a comment

Ephemeris for Friday, May 17th. Today the Sun will be up for 14 hours and 53 minutes, setting at 9:06, and it will rise tomorrow at 6:11. The Moon, 1 day before full, will set at 6:22 tomorrow morning.

The Grand Traverse Astronomical Society will participate in the Northwestern Michigan College Barbecue this Sunday the 19th. The society will be in front of and inside the Health and Science Building, viewing the Sun outside if it will be clear. Members hope to give the society’s new solar telescope a workout, observing the Sun’s red chromosphere and any prominences visible off the edge. Inside there will be displays and continuously running videos plus giveaway items from NASA and NOAA the National Oceanic and Atmospheric Administration. Also in an adjacent room Joe Brooks will have his meteorite collection to examine and a video there too. The society will be there from 11 a.m. to 4 p.m.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

05/10/2019 – Ephemeris – The Astronomy Day event in the Grand Traverse Region

May 10, 2019 Comments off

Ephemeris for Friday, May 10th. Today the Sun will be up for 14 hours and 37 minutes, setting at 8:58, and it will rise tomorrow at 6:19. The Moon, 1 day before first quarter, will set at 2:41 tomorrow morning.

The Grand Traverse Astronomical Society will host a public viewing night for International Astronomy Day tomorrow night, that’s Saturday the 11th, starting at 9 p.m. It will be at Northwestern Michigan College’s Joseph Rogers Observatory. If its clear the first quarter Moon will be featured along with other wonders of the spring sky. The observatory is located south of Traverse City, on Birmley Road between Garfield and Keystone roads. For the society members these, normally monthly star parties at the observatory are part of their outreach. They include sidewalk astronomy outings like Friday Night Live, and International Observe the Moon Night, to the Sleeping Bear Dunes National Lakeshore and other locations.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

05/03/2019 – Ephemeris – How do you take a picture of a black hole? Find out tonight.

May 3, 2019 Comments off

Ephemeris for Friday, May 3rd. Today the Sun will be up for 14 hours and 19 minutes, setting at 8:49, and it will rise tomorrow at 6:28. The Moon, 1 day before new, will rise at 6:44 tomorrow morning.

Nearly a month ago the world was presented with the news and the image that the Earth spanning Event Horizon Telescope captured a picture of a black hole 55 million light years away. Tonight NMC Professor Jerry Dobek will explain how it was done at tonight’s meeting of the Grand Traverse Astronomical Society at Northwestern Michigan College’s Rogers Observatory starting at 8 p.m. He will explain how simultaneous observations of the black hole by 8 separate sub-millimeter radio telescopes that were separately recorded on disk.  The disks were brought and processed together to produce the image. Starting at 9 p.m. if it’s clear there will be a star party featuring the brighter wonders of the darkening sky.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

Addendum

Black hole in M87

The first image of the black hole in M87. Credit Event Horizon Telescope.

04/05/2019 – Ephemeris – Starpardy Quiz at tonight’s meeting of the GTAS

April 5, 2019 Comments off

Ephemeris for Friday, April 5th. Today the Sun will be up for 12 hours and 58 minutes, setting at 8:15, and it will rise tomorrow at 7:14. The Moon is new today, and won’t be visible.

An astronomical quiz between the astronomy students and members of the Northwestern Michigan College Astronomy Club vs. the Grand Traverse Astronomical Society will be held tonight at 8 p.m. at the NMC Observatory. Folks attending can watch and learn or join one of the teams. The format is that of the popular Jeopardy show. These quizzes used to be called Star Bowls, after the old College Bowl TV shows. It’s been morphed into the Jeopardy format over the years. The answers and questions are on basic astronomy: constellations, planets, the Earth, astronomical history, current events and the dreaded potpourri. So come, enjoy the fun. After the quiz there will be, weather permitting, a star party

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

Addendum

Starpardy Title
Starpardy Title
Starpardy categories
Sneak peek at the Starpardy categories. For the Double Starpardy categories and the Final Starpardy answer, you’re going to have to come out.

03/01/2019 – Ephemeris – GTAS topic tonight: Spring sky wonders

March 1, 2019 Comments off

Ephemeris for Friday, March 1st. Today the Sun will be up for 11 hours and 9 minutes, setting at 6:30, and it will rise tomorrow at 7:18. The Moon, 3 days past last quarter, will rise at 5:23 tomorrow morning.

I will be previewing the skies of Spring this evening at this evening’s meeting of the Grand Traverse Astronomical Society (GTAS) at 8 p.m. at Northwestern Michigan College’s Rogers Observatory. The spring stars seem to get away from us with the rapid advance of sunset and the big bump of daylight saving time on the tenth. After the meeting there will be a star party starting at 9 p.m. On tap if its clear will be Orion and its great nebula, a star nursery only 1400 light years away. It will be a wonderful sight with its clouds and wisps of gas and dust illuminated by a clutch of hot baby stars. The Observatory is located south of Traverse City on Birmley Road off either Garfield or Keystone roads.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

Addendum

Spring Constellations

The constellations of spring with some constellations of winter leaving to the west and those of summer entering from the east. Click on the image to enlarge. Created using Stellarium.

02/21/2019 – Ephemeris – Greenspire School’s STEM Night is tonight

February 21, 2019 Comments off

Ephemeris for Thursday, February 21st. Today the Sun will be up for 10 hours and 45 minutes, setting at 6:19, and it will rise tomorrow at 7:32. The Moon, 2 days past full, will rise at 9:05 this evening.

Tonight the Greenspire School is sponsoring its annual STEM Night from 6 to 8 p.m. at the school on Red Drive at the Grand Traverse Commons. Red Drive is a block west of Silver Drive that connects to Silver Lake Road at Franke Road. STEM is an acronym for Science, Technology, Engineering and Math. The Grand Traverse Astronomical Society will be there for the sixth year with Gary Carlisle finding out what comets are made of by helping the kids create dry ice comets. We’ll have other exhibits too, and telescope kits to raffle off. Other exhibitors have hands on activities in science, technology, engineering and mathematics for the whole family. There’s also cookies and hot chocolate.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

Addendum

STEM Night

Grand Traverse Astronomical Society members at STEM Night. Credit: Eileen Carlisle.

02/01/2019 – Ephemeris – The annual Telescope Clinic tonight

February 1, 2019 Comments off

Ephemeris for Friday, February 1st. Today the Sun will be up for 9 hours and 49 minutes, setting at 5:51, and it will rise tomorrow at 8:00. The Moon, 3 days before new, will rise at 6:40 tomorrow morning.

Did you or someone in your family get a telescope for Christmas, or have one in a closet or attic because you don’t know how to put it together or how to operate it? Or maybe you are trying to figure out which one to buy. Well, tonight’s your night. The Grand Traverse Astronomical Society will host a telescope clinic at Northwestern Michigan College’s Rogers Observatory on Birmley Road, south of Traverse City starting at 8 p.m. Telescope experts from the society will help you set up your telescope and give you observing tips. So bring ’em if you’ve got ’em. If it’s clear, at 9 p.m., there will be a star party to try out your telescope, or try them out on the lights of Traverse City. Can’t make it? We can help you after any meeting.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.