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 Reservations

Denver Observer

Astro Calendar

“What’s Out Tonight – March 2019”
Star Chart and Data
(courtesy of Ken Graun © 2019)

Astronomical Things to See and Do – March 2019

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


46P/Wirtanen (2018) Ephemeris   (from In-the-sky.org)

Images and Sky Map on Weekly Comet News

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

Planetary Phenomena

Planets in March 2019LocationAvg MagnitudeAvg SizeNotes
MercuryEvening sky until the 5th; Morning sky 27th-3.610.2"Inferior conjunction on the 15th
VenusLow in SE morning sky-4.014.7"1.2 deg from Moon on the 2nd
MarsLow in western sky, Aries to Taurus+1.35.1"
JupiterLow in morning sky in Ophiuchus-2.137.3"
SaturnMorning SE sky+0.6 15.8"Occultation N of Moon on 29th visible from S N America.
Uranus01h 52m; early evening5.93.4"
Neptune23h 23m; in Aquarius8.02.2"Too close to Sun to observe!

Moon Phases & Info: https://moon.nasa.gov/

Moon PhenomenaDateTime (UT)Comment
New MoonMarch 6th 16:04Lunation 1190
1st QuarterMarch 14th 10:27
Full MoonMarch 21st 01:43Worm Moon
Third QuarterMarch 28th04:10

Meteor Showers This Month

Shower NameUT /peak hrDuration (Days)Hourly Rate (ZHR)% Above HorizonMoon Phase
Particle Size - r
(smaller# = larger size)
RADecv - speed (km/sec)Parent
No major showers this month

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


Notable Objects for Deep Sky Observers

Catalog #DescriptionRight
M74Face-on Galaxy01 42.4+15 47Pisces
M76Little Dumbbell Planetary Nebula01 42.4+51.34Perseus
M33Pinwheel or
Triangulum Galaxy
01 33.9+30 39Triangulum
NGC 253Silver Dollar Galaxy00 47.6-25 17Sculptor
NGC 457Owl or ET open star cluster01 19.1+58 20Cassiopeia
(Note: Supernova visible)
Seyfert Galaxy02 42.7-00 01Cetus
M30Globular Cluster21 40.4-23 11Capricorn
NGC 7331Deer Lick Galaxy22 31.7+34 25Pegasus
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
NOTES+ Challenge Object*If multiple, brightest component.

Observing Opportunities

Open House – Saturday, March 16th 5:30 pm – 10:30 pm at DU’s Historic Chamberlin Observatory (Open to Public)

EGK Dark Site – Any night or Dark Sky Weekend, March 8-9th (Members & Guests)