"Pillaging the Universe One Star at a Time"


2020 Bootleg Star Parties!!! 


2020 Bootleg Spring Star Party - June 11th-14th!

COVID-19 Update: We have received word from Green River that they will be fully open starting the weekend of May 29/30th, which means there will be no restrictions on the Spring Bootleg Star Party other than the standing Phase 3 guidelines in Illinois as found here:

Send in your registration forms, as early registration ends this upcoming Saturday, May 30th (especially for t-shirt orders)!! 

2020 Bootleg Fall Star Party - September 17th-20th!

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The Bootleg Star Party Registration Form is available HERE  (pre-registration deadline is May 30th)

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*** Due to the number of people doing imaging at the Bootleg Star Parties, Bootleg Management is indicating that Green Lasers will not be permitted starting one hour after sunset ***


Map and Directions here...

PDFs require free Adobe Reader 



Bootleg 2019 Pictures

Bootleg 2016 Pictures and videos

Bootleg 2015 Pictures

Bootleg 2014 Pictures

Bootleg 2013 Pictures

Bootleg 2012 Pictures

Bootleg 2011 Pictures

Bootleg 2010 Pictures

Bootleg 2008 Pictures

Bootleg 2007 Pictures

2008 Prairie Skies Star Party Pictures 

CAS Astrofest @ Camp Shaw

CAS Astrofest @ Vana's

Texas Star Party 2009

<<< PSSP home page

CAS Web Site 

SWAOG Web Site 

Jeff's Driveway Astronomy Page

Jeff's Binocular Picks

Free Sky Map from Skymaps.com

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Wisconsin Astronomy


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page updated 6/28/2020



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Upcoming Observing Highlights for July 2020   (from skymaps.com)
1 Mercury at inferior conjunction with the Sun at 3h UT. Mercury passes into the morning sky.
2 Moon near Antares (evening sky) at 20h UT.
Antares (Wikipedia)
4 Earth at Aphelion (farthest from Sun) at 12h UT. The Sun- Earth distance is 1.016694 a.u. or about 152.1 million km.
Earth at Aphelion (SpaceWeather.com)
Photographic Size Comparison (Anthony Ayiomamitis)
5 Penumbral Lunar Eclipse from 3:07 to 5:52 UT, with mid-eclipse at 4:30 UT. Best seen at mid-eclipse. Visible from the Americas, SW Europe and Africa.
NASA Lunar Eclipse Page (NASA)
Penumbral Lunar Eclipse of 2020 July 05 (PDF) (NASA)
5 Full Moon at 4:44 UT.
5 Moon near Jupiter (midnight sky) at 23h UT. Mag. −2.7.
Jupiter (Wikipedia)
6 Moon near Saturn (midnight sky) at 10h UT. Mag. 0.2.
Saturn (Wikipedia)
8 Venus at its brightest at 12h UT. Mag. −4.5.
11 Moon near Mars (morning sky) at 22h UT. Mag. −0.7.
Mars (Wikipedia)
12 Venus 0.95 N of Aldebaran (40 from Sun, morning sky) at 2h UT. Mags. −4.5 and 0.9.
12 Moon at apogee (farthest from Earth) at 19h UT (distance 404,199 km; angular size 29.6').
12 Last Quarter Moon at 23:30 UT.
14 Jupiter at opposition (opposite the Sun) at 8h UT. Best time to observe the largest planet in the solar system. Mag. −2.8.
Opposition (Wikipedia)
16 Moon near the Pleiades at 8h UT (morning sky).
The Pleiades (Wikipedia)
17 Moon, Venus and Aldebaran within a circle of diam. 4.1 (morning sky) at 2h UT. Mags. −4.5 and 0.9.
Venus (Wikipedia)
Aldebaran (Wikipedia)
19 Moon near Mercury (morning sky) at 5h UT. Mag. 0.9.
Mercury (Wikipedia)
20 Moon near Castor (morning sky) at 6h UT.
20 Moon near Pollux (morning sky) at 10h UT.
20 New Moon at 17:32 UT. Start of lunation 1207.
20 Saturn at opposition (opposite the Sun) at 22h UT. The ringed planet is at its closest and brightest at mag. +0.1. Saturn's rings are spectacular even in a small telescope.
Opposition (Wikipedia)
22 Mercury at greatest elongation west (20 from Sun, morning sky) at 15h UT. Mag. 0.3.
23 Moon near Regulus (evening sky) at 0h UT.
Regulus (Wikipedia)
25 Moon at perigee (closest to Earth) at 5:05 UT (distance 368,361 km; angular size 32.4').
26 Moon near Spica (evening sky) at 19h UT.
Spica (Wikipedia)
27 First Quarter Moon at 12:33 UT.
30 Moon near Antares (evening sky) at 3h UT.
>>> All times Universal Time (UT).    USA Central Standard Time = UT-6 hours.  (DST = UT-5 hrs,)


Zodiacal Light is caused by sunlight reflected off meteoric dust in the plane of the solar system. Choose a clear, moonless night, about 1-2 hours after sunset, and look for a large triangular-shaped glow extending up from the horizon (along the ecliptic). The best months to view the Zodiacal Light is when the ecliptic is almost vertical at the horizon: March and April (evening) and October-November (morning); times reversed for the southern hemisphere.
Zodiacal Light (Wikipedia)
Astronomy Picture of the Day (APOD)
Photographing the Zodiacal Light (Weatherscapes)