Wilderness Center Astronomy Club

Wilderness Center Astronomy Club Our charter is to promote the knowledge and enjoyment of astronomy. We are a family oriented group of amateurs with a broad range of experience and interest.

Our charter is to promote the knowledge and enjoyment of astronomy among our club members, our parent organization - The Wilderness Center, and the Northeast Ohio Community at large.

It is becoming increasingly common at our star watch events to have guests using phone apps to navigate the sky - using ...
04/19/2026

It is becoming increasingly common at our star watch events to have guests using phone apps to navigate the sky - using the features that let them point to a region of sky and be shown the constellation they are looking at. It seems like a good way to learn to navigate the stars. Personally I don't know how easy or effective they are to use because I cannot go back to the time when I didn't know the sky to try them out. But our visitors like them.

Those of us of a more... er... Jurassic.... origin remember learning the sky with charts printed on paper! And they didn't change as you looked at the sky!

At the April 24th meeting of the WCAC, two of our more Jurassic members are going to share the development of star charts and atlases that we used back in the day (not all that long ago). Drew Miller & Dave Gill will share some of these atlases, their histories, and how they helped lead to the electronic versions that we all use today.

The meeting will be on Friday, April 24 at 7:30 pm in the Planetarium in the Astronomy Education Building at TWC. Guests are always welcome! No charge.

Looks like we may have a clear sky tonight. Our monthly star watch is ON.  We start at 8:00 pm at the observatory at The...
03/06/2026

Looks like we may have a clear sky tonight. Our monthly star watch is ON. We start at 8:00 pm at the observatory at The Wilderness Center.

Another famous variable star - Mira - the "wonderful star".From our friends at Astronomical Leaguehttps://www.facebook.c...
01/07/2026

Another famous variable star - Mira - the "wonderful star".

From our friends at Astronomical League
https://www.facebook.com/share/p/1AY2mu7iWi/

Nearing its maximum

Mira – Omicron Ceti!

Every 330 days, this star reaches maximum brightness
and is visible to the unaided eye – but only for 3 to 4 months.

Where is Mira in the sky?

• On January and February evenings about 2 hours after sunset, look to the southwest. Locate the bright star Aldebaran.
• Draw a line from Aldebaran extending to the west-southwest.
• It first passes the 3.4 magnitude Lambda Tauri, then 2.5 magnitude Alpha Ceti.
• Continue it another 50% of the Aldebaran - Alpha Ceti distance.
• The line ends at Omicron Ceti.

Your Observing Activity

Recording your observations
A. Record date and time.
B. Estimate Mira's magnitude by interpolating between the magnitudes of nearby stars.
C. Plot the brightness vs. decimal days.

Brightest about March 4 with a magnitude of about 3.

What You are Seeing

• The star pulsates with its diameter ranging between 300 and 700 solar diameters.
• The pulsation is believed to be caused by inconsistent fusion alternating between shells of helium and hydrogen.
• Reddest coloration occurs near minimum brightness around 9th magnitude.
• Period is about 330 days. Every year, its maximum advances 1 month. The cycle doesn't exactly repeat.

Examine the Omicron Ceti reports at AAVSO:
https://apps.aavso.org/webobs/results/?star=Omicron+Ceti&start=2020-01-01&end=2026-01-05&num_results=25&obs_types=all&page=1

12/17/2025

An easy naked-eye eclipsing binary star

Beta Persei, Algol

Observing Activity

Where is Beta Persei in the sky?

• On fall and winter evenings, Perseus lies nearly overhead, between the "w" of Cassiopeia and the bright star Capella.
• Beta Persei lies 10º south of the constellation's brightest star, Alpha Persei (Mirfak).

Your Observing Project

• Viewing through binoculars helps greatly.
• Closely examine the brightness of Algol over three nights. Consult references to time your observations so that you witness the sudden dip.
• Determine its magnitude by interpolating the stated magnitudes for Gamma Andromedae (2.1), and Epsilon (2.9), Delta (3.0), and Rho Persei (3.3).
• Construct a graph showing the brightness of Beta over a 72 hour period catching the dip.

• Beta Persei consists of two stars, A & B, of unequal brightness and size. They are so tightly separated (6 million miles) that a telescope can not split them.
• When the dimmer but larger star, B, is off to either side of the brighter A, the system appears at its maximum brightness of 2.1 magnitude. (Positions 1, 3)
• As the dimmer star orbits in front of the brighter, their total magnitude drops to the deep minimum (3.4 magnitude), because the dimmer star partially blocks the light from the brighter one. (2)
• Again, when the dimmer star is off to the other side, the system is at maximum brightness. (3)
• When the dimmer star passes behind the brighter one, it is partially blocked causing the system's brightness to reach its secondary (very shallow) minimum at 2.15 magnitude. (Position 4)

To find out when Beta Persei's minima occur:
https://skyandtelescope.org/observing/the-minima-of-algol/

If we get a break in the Lake Erie Nebula, this is a good time to look at the fall Milky Way!  This post form our friend...
11/29/2025

If we get a break in the Lake Erie Nebula, this is a good time to look at the fall Milky Way! This post form our friends at the Astronomical League shows you the sights!

From Aquila to Auriga

Fall Milky Way

Lie on your back and treat yourself to a jog down the Fall Milky Way.

One of the great joys of casual stargazing is lying back with a pair of binoculars and slowly scanning the Milky Way flowing overhead. Mid November is a great time to start your celestial journey as it begins low in the west with Aquila, moves overhead through Cygnus, Cepheus and Cassiopeia, then descends through Perseus, and finally ends in Auriga low in the northeast.

You are gazing first through the Cygnus spur and then along the Perseus arm of our galaxy, passing the directions of Cepheus, Cassiopeia, and Perseus. You end in Auriga, near the beginning of the Orion spur.

Can you spot ...
Great Rift
Coathanger Cluster
B142/143
Northern Coalsack
North America Nebula
LG3
M39
Caroline's Cluster (NGC 7789)
Owl Cluster (NGC 457)
Double Cluster
Melotte 20
M36, 37 & 38

Quite a journey!

11/17/2025

If you've admired some of Bob Rossiter's work, this is his remote setup. (He still does plenty of amazing stuff from around here - but has a lot more clear skies in Texas)

Send a message to learn more

If the skies are clear, a few of us from the WCAC will be joining our friends from Stark Parks at the Hoover ballfield p...
11/13/2025

If the skies are clear, a few of us from the WCAC will be joining our friends from Stark Parks at the Hoover ballfield parking lot in North Canton on Friday evening at 6:30 p.m.

Interpreting auroral colors
11/12/2025

Interpreting auroral colors

11/12/2025

From WCAC member and long time Rep photographer Bob Rossiter from his home in Jackson TWP, not far from Belden.

Stay tuned - may be more to come tonight, with better chances for clearing.

Send a message to learn more

Address

9877 Alabama Avenue SW
Wilmot, OH
44689

Telephone

+13303595235

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