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
Public Night Reservations

Astro Calendar

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

Astronomical Things to See and Do – March 2017

Planetary Phenomena

Planets in Feb '17LocationAvg MagnitudeAvg SizeNotes
MercuryIn Sun's glare-1.8 5.0"
VenusWestern Sky after Sunset; in Pisces-4.6 (fading)54.0"
MarsIn Pisces; in Aries on the 8th1.4 (fading)4.5"
JupiterMorning sky in Virgo-2.4 (brightening)43.0"In retrograding
SaturnMorning sky in Sagittarius.0.5 16.4"
UranusIn Pisces; vanishes in early evening5.93.4"
NeptuneSolar conjunction on 2nd; in Sun's glare all month (danger)8.02.2"

Moon Phenomena

Moon PhenomenonDateTime (h / m UT)Comment
First QuarterMar 5th11 / 32
FullMar 12th14 / 54Worm Moon
Third QuarterMar 20th15 / 58
NewMar 28th2 / 57Lunation 1166

Meteor Showers

No notable meteor showers in March 2017; always look for sporadics.

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
NGC 5907Edge-on Galaxy15 15.9+56 20Draco
NGC 6543Cat's Eye Planetary Nebula17 58.6+66 38Draco
NGC 6826Blinking Planetary19 44.8+50 31Cygnus
M15Globular Cluster21 30.0+12 10Pegasus
M74Face-on Galaxy01 36.7+15 47Pisces
M31, 32, 110Galaxies*00 42.7+41 16Andromeda
NGC 7009Saturn Planetary Nebula21 04.2-11 22Aquarius
NGC 457ET or Owl Cluster01 19.9+58 20Casseiopeia
M77Seyfert Galaxy02 47.2-00 01Cetus
NGC 7662Blue Snowball - Planetary Nebula23 25.9+42 33Andromeda
NGC 253Silver Dollar Galaxy 0 47.6-25 17Sculptor
NGC 869/884Double Cluster 2 21.0+57 08Perseus
NGC 1023Lens-shaped Galaxy 2 40.4+39 04Perseus
M1Crab Nebula 5 34.5+22 01Taurus
NGC 1973-5-7Running Man 5 35.1 -04 44Orion
NGC 2403Galaxy 7 36.9 +65.36Camelopardalis
*If multiple, brightest component.

Observing Opportunities

Open House– Saturday, April 1st – 7:30 pm – 11 pm at DU’s Historic Chamberlin Observatory

EGK Dark Site – Any night or Dark Sky Weekend, March 24th – 26th – Messier Marathon on the 25th

DAS Volunteer Opportunities