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Ephemeris: 07/11/2025 – GTAS meeting tonight and star parties this summer

July 11, 2025

This is Ephemeris for Friday, July 11th. Today the Sun will be up for 15 hours and 19 minutes, setting at 9:28, and it will rise tomorrow at 6:09. The Moon, 1 day past full, will rise at 10:32 this evening.

The Grand Traverse Astronomical Society will host its July meeting tonight at 9 PM at Northwestern Michigan College’s Joseph H Rogers Observatory. The meeting was bumped forward a week due to the Fourth of July holiday. After the meeting, around 10 PM, weather permitting, there will be viewing of the Moon and whatever we can find in the twilight. The observatory is located south of Traverse City on Birmley Rd. The meeting will also be available via Zoom. Instructions will be on the society’s website, gtastro (dot) org. There are two other events this summer both star parties at the Sleeping Bear Dunes National Lakeshore’s Dune Climb area. They are on July 26th and August 23rd, both Saturday nights.

The astronomical event times given in this blog are for the Traverse City/Interlochen area of Michigan (Lat 44.7° N, Long 85.7° W; EDT, UT – 4 hours) unless stated otherwise. Times will be different for other locations.

Addendum

Joseph H. Rogers Observatory of Northwestern Michigan College
Joseph H. Rogers Observatory of Northwestern Michigan College, meeting place of the Grand Traverse Astronomical Society, Traverse City, Michigan.
Preparing to start the star party
Preparing to start a star party at the Sleeping Bear Dunes National Lakeshore’s Dune Climb. A few of the telescopes are visible including the GTAS 25 inch “Emmettron” telescope at the far right. Credit: Eileen Carlisle.

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