DAS Activities

DAS Public Nights

Public Nights
Tuesday and Thursday at
DU's Historic Chamberlin Observatory
Current start time is 8:30 pm
Costs to the public are:
$4.00 adults, $3.00 children

To book, please click:

Public Night

Astro Calendar

“What’s Out Tonight – June 2017”
Star Chart and Data
(courtesy of Ken Graun © 2017)

Astronomical Things to See and Do – June 2017

(NOTE: to find the MDT for UT, subtract 6 hours from the UT listing)

Planetary Phenomena

Planets in June '17LocationAvg MagnitudeAvg SizeNotes
MercuryIn morning sky until the 19th-1.1
VenusProminent at dawn; in Pisces-4.4 (fading)21.9"Conjunction with the Moon on 20th
MarsEvening twilight early in June1.7 3.6"
JupiterIn Virgo-2.2 39.6"
SaturnMorning sky; in Ophiuchus.0.0 (brightening) 18.4"
UranusMorning sky in Pisces5.93.4"
NeptuneIn morning sky in Aquarius7.92.2"

Moon Phenomena

Moon PhenomenaDateTime (h : m UT)Comment
First QuarterJune 1st12:42
FullJune 9th13:10Strawberry Moon
Third QuarterJune 17th11:33
NewJune 24th02:31Lunation 1169

Meteor Showers

American Meteor Society: http://www.amsmeteors.org/meteor-showers/meteor-shower-calendar/


Comet 41P/Tuttle-Giacobini-Kresak

Complete Ephemeris: http://cgi.minorplanetcenter.net/cgi-bin/returnprepeph.cgi?d=c&o=0041P

Finder Chart from Heavens Above: http://heavens-above.com/comet.aspx?cid=41P

Weekly Comet News: http://www.aerith.net/comet/weekly/current.html

NASA Web page on comets: http://nssdc.gsfc.nasa.gov/planetary/planets/cometpage.html

Notable Objects for Deep Sky Observers

Catalog #DescriptionRight
M81* & 82Galaxies09 55.6+69 04Ursa Major
M97Owl Nebula (PN)11 14.8+55 01Ursa Major
M65 & 66*Galaxies11 20.2+12.59Leo
M88Galaxy12 32.0+14 25Coma Berenices
M84 & 86*Elliptical Galaxies12.26.2+12 57Virgo
M104, Sombrero GalaxyEdge-on Galaxy12 40.3-11 37Virgo
*If multiple, brightest component.

Observing Opportunities

Open House– Saturday, June 2nd – 8:30 pm – 11 pm at DU’s Historic Chamberlin Observatory

EGK Dark Site – Any night or Dark Sky Weekend, June 23rd – 25th

DAS Volunteer Opportunities