DAS Activities

DAS Public Nights

Public Nights
Tuesday and Thursday at
DU's Historic Chamberlin Observatory
Current start time is 7:30 pm
Costs to the public are:
$4.00 adults, $3.00 children

To book, please click:

Public Night

Astro Calendar

“What’s Out Tonight – October 2018”
Star Chart and Data
(courtesy of Ken Graun © 2018)

Astronomical Things to See and Do – October 2018

(NOTE: to find the MST for UT, subtract 7 hours from the UT listing)

Planetary Phenomena

Planets in October 2018LocationAvg MagnitudeAvg SizeNotes
MercuryEvening sky-0.44.9"
VenusEvening Sky through Autumn-4.653.9"Slender Crescent
MarsIn Western
JupiterLow in Southwest -1.832.1"
SaturnIn central Sagittarius; Low in SW evening sky0.5 16.2"
UranusIn SW near Aries/Pisces border rises before midnight5.73.7"
NeptuneVisible all night in

Moon Phenomena

Moon PhenomenaDateTime (UT)Comment
3rd QuarterOctober 2nd 09 45
New MoonOctober 9th 03 47Lunation 1185
1st QuarterOctober 16th 18 02
Full MoonOctober 24th 16 45Hunter's Moon
(Colonial American)

Meteor Showers

Orionids – October 21 17 h UT, ZHR= 20/hour; Moon 91%

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


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
M31, M32, M110Andromeda Galaxy & companions0 42.7+41 16Andromeda
M15Globular Cluster21 30.0+12 10Pegasus
NGC 6960, 6992/5, 7000Veil Nebula20 45.7 thru
+30.43 thru
NGC6888+Crescent Nebula
(Use nebular filter)
20 12.0+38 21Cygnus
M27Dumbbell Nebula19 59.6+22.43Vulpecula
M17Swan Nebula18 20.8-16.11Sagittarius
M10Globular Cluster (Best in Ophiuchus)16 57.1-04.06Ophiuchus
M5Globular Cluster15 18.6+02.05Serpens
M63Sunflower Galaxy13 15.8+42.02Canes Venatici
NGC 3242Ghost of Jupiter
(Planetary Nebula)
10 24.8-18 38Hydra
NOTES+ Challenge Object*If multiple, brightest component.

Observing Opportunities

Open House – Saturday, October 13th 7:00 pm – 11 pm at DU’s Historic Chamberlin Observatory (Open to Public)

EGK Dark Site – Any night or Dark Sky Weekend, October 12th – 14th (Members)