Category Archives: Public Observing

Spring Constellations And Planet Observation – CNYO At Beaver Lake Nature Center, 27 April 2017

Greetings, fellow astrophiles!

I am pleased to announce that the first official CNYO session for 2017 will be held next week (or the week after, weather-pending) at one of our most regular observing locations. Bob Piekiel and Larry Slosberg will be hosting at Beaver Lake from 7:30 to 9:00 p.m. at the northern tip of the big loop (just aim for the main parking lot).

The event is free with Beaver Lake admission (click HERE for the direct event link), but they do request advanced registration. If interested, please call Beaver Lake Nature Center at 315-638-2519 or send an email to blnc@ongov.net.


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Unfortunately, the event description seems to have been taken from our last Beaver Lake session – Venus won’t be present by event start (having set about three hours before sunset), but a sliver of a crescent moon will be visible for most of the session in close proximity to Mars. Jupiter remains an excellent summer scope target this year and for several years to come.

This outdoor lecture by CNY Observers will describe the history of the spring constellations and offer tips for remembering their relative positions. The moon will be the featured object for the night, with Jupiter and Venus also prominent, making for great views with the telescopes that will be present. (Cloud date is May 4.)

Session Announcements: Bob Piekiel’s Summer 2016 Observing Schedule (With Event Links)

UPDATE: Saturday, July 9th, 5:00 p.m. – There’s supposed to be an open pocket of clear sky tonight, so Bob is going ahead with the Clark Reservation session. As a bit of advanced warning, Bob was informed late yesterday that Clark Res may be charging a $5 admission fee to the park for the event (due to the +75 people we had last year).

UPDATE: Friday, July 8th, 4:00 p.m. – Tonight’s Clark Reservation session has been rescheduled to tomorrow (Saturday, July 9th) due to cloud cover. Update to follow Saturday afternoon.

Greetings, fellow astrophiles!

In the interest of a little more advanced notice for scheduled events, this page is meant to help you get your own schedules synchronized with upcoming nighttime and solar sessions hosted by Bob Piekiel (with his fellow CNYO’ers serving as wing-observers). Pending additional announcements, the list below fills out his Summer Roster (now with meetup.com and Facebook Events included).

2015august27_clark_halfcrowd

The attending crowd at last summer’s Clark Reservation session.

For the record, seven sessions in two months counts as a whole lot of fantastic CNY astronomy outreach!

July 8/9 – Bob Piekiel @ Clark Reservation, 8:00 – 10:30 p.m.

* Free and open to the public
* nysparks.com/events/event.aspx?e=126-16053.0
* facebook | meetup.com

Planets, stars, and a crescent moon! The summer skies are at their finest, when we can look directly into the center of the Milky Way galaxy, and see it’s many rich star clusters and nebulae. Venus, Jupiter, Saturn and Mars will be visible. We might even get a peek at Mercury.

July 22/23 – Bob Piekiel @ Baltimore Woods, 9:00 – 11:00 p.m.

* Registration for these events are required. Low registration may cause programs to be canceled.
* $5 for members, $15/family; $8 for nonmembers, $25/family.
* To Register By Email: info@baltimorewoods.org
* To Register By Phone: (315) 673-1350
* facebook | meetup.com

Summer skies at their finest, with the many rich star clusters and nebulae visible in the direction of the heart of our Milky Way galaxy. Venus, Jupiter, Saturn and Mars will be visible.

July 29/30 – Bob Piekiel @ Green Lakes, 8:00 – 10:30 p.m.

* Free and open to the public
* facebook | meetup.com

The summer skies are at their finest, when we can look directly into the center of the Milky Way galaxy, and see it’s many rich star clusters and nebulae. The Delta Aquarids meteor shower peaks that night, and Venus, Jupiter, Saturn and Mars will be visible. We might even get a peek at Mercury.

August 12/13 – Bob Piekiel @ Baltimore Woods, 8:30 – 11:00 p.m.

* Registration for these events are required. Low registration may cause programs to be canceled.
* $5 for members, $15/family; $8 for nonmembers, $25/family.
* To Register By Email: info@baltimorewoods.org
* To Register By Phone: (315) 673-1350
* facebook | meetup.com

The annual persied meteor shower, one of the year’s finest. Bring a blanket or lawn chair to recline on while not looking through a telescope. Great views of the summer Milky way, with the planets Mars Jupiter, Venus and Saturn visible.

August 13/14 – Bob Piekiel @ Clark Reservation, 1:00 – 3:00 p.m.

* Free and open to the public
* facebook | meetup.com

Solar program! Using special telescopes, come and see solar flares, prominences, sunspots, and magnetic storms on our nearest star, the Sun!

August 26/27 – Bob Piekiel @ Green Lakes, 7:30 – 9:30 p.m.

* Free and open to the public
* facebook | meetup.com

Summer skies again, Plus a stunning conjunction of Jupiter and Venus in the west on those nights, and Mars and Saturn also.

August 27/28 – Bob Piekiel @ Baltimore Woods, 1:00 – 3:00 p.m.

* Registration for these events are required. Low registration may cause programs to be canceled.
* $5 for members, $15/family; $8 for nonmembers, $25/family.
* To Register By Email: info@baltimorewoods.org
* To Register By Phone: (315) 673-1350
* facebook | meetup.com

SOLAR VIEWING PROGRAM. Using special telescopes, come and see solar flares, prominences, sunspots, and magnetic storms on our nearest star, the sun!

Transit Of Mercury Session @ Baltimore Woods – Monday, May 9th, 8 a.m. To 10 a.m.

Greetings, fellow astrophiles –

There will be no next-day reschedule of this event! Our hemisphere is being treated to the third Transit of Mercury this century, and Bob Piekiel is hosting an official observing session at Baltimore Woods to mark the event and to give keen viewers a sight of our (now) smallest planet.

2016may5_mercury-transit-2016-timing

This NASA graphic depicts the time and location of Mercury as it crosses the face of the sun during the May 9, 2016 Transit of Mercury event. – From NASA

For those new to the phenomenon, a transit occurs when one small body passed in front of another larger body relative to the observer’s position. If you’ve ever been in the left lane of a three-lane highway, had a big truck in the right lane, and had a motorcycle pass in the middle lane at some blistering speed, you’ve witnessed a (kind of) transit. From our Earth-centric perspective (and sticking to one definition of a transit), transits occur when the inferior planets (which just means their between us and the Sun) Mercury or Venus pass between us and the Sun. Once we’re living on Mars, transits will occur when the inferior planets Mercury, Venus, or Earth pass between us (there) and the Sun. And you get the idea.

2016may5_orbital_angles_q4O5UNow a little math – Mercury revolves around the Sun once every 87.9 days – what we call its sidereal period. Because the Earth revolves as well, the time it takes for Mercury to hit the same basic spot between us and the Sun is 115.9 days (its synodic period). If all of the planets of the Solar System were in a perfect flat plane, that would mean we’d get a Mercury Transit every 116-ish days and the phenomenon would be a little less impressive. Because all of the planets are at slight tilts with respect to Earth’s orbit, we don’t always get clean passes – the Sun is huge overall, but still a small target at an Astronomical Unit, so the slight angles of Mercury and Venus matter when it comes to the proper lining-up needed for transits to occur.

Click the map to make directions to Baltimore Woods.

The next Mercury Transit (from an Earth viewing location, that is) won’t occur until 11 Nov 2019, then there’s a loooong wait until 13 Nov 2032. If you can get a free block in the morning, I highly encourage you to make the trip out to Baltimore Woods. The two Venus Transits I witnessed definitely “clicked” something in me about how the Solar System works (and the size of Venus against the Sun was a very impressive sight!).

The text from Bob’s official announcement is below:

Rare Transit of Mercury Across the Sun. The planet Mercury will move directly between the Earth and the Sun. Viewers with telescopes and approved solar filters will be able to observe the dark disk of the planet Mercury moving across the face of the Sun. This is an extremely rare event that occurs only once every few years. There will be one other transit of Mercury in 2019 and then the next one will not take place until 2039. (Venus will also be visible right near the sun as well).

If you can’t make it out but still want to see it, the good news is that your tax dollars are being put to good use – NASA will be live streaming the transit. For details, see www.nasa.gov/press-release/nasa-to-provide-coverage-of-may-9-mercury-transit-of-the-sun