Las Cruces Clear Sky Clock
Las Cruces Clear Sky Clock

M104 (The Sombrero Galaxy), image by Kirby Benson
The Next ASLC Meeting is:
October 23, 2015 @ 7:30 pm

Speaker: Dave Doctor

Location: Dona Ana Community College
(Main Branch)
Room 102 (map)

Contact the Club President for additional information

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Upcoming Observing Opportunities:

ASLC MoonGaze
(Int'l Delights Cafe)
Sat, October 17th (dusk)

Dark Sky Observing @ Leasburg Dam SP
(ASLC Observatory at LDSP)
Saturday, October 3rd (dusk - 9:00 pm)

   Quick Links


M31Greetings from the professional and amateur astronomers who comprise the Astronomical Society of Las Cruces (ASLC). The club was formed in 1951 by a group of dedicated astronomers including Clyde Tombaugh, who had discovered Pluto just 21 years earlier. For nearly 65 years, we've been sharing a little bit of the universe with our community under our beautiful Southern New Mexico skies.

The club has a variety of ongoing observing, education and public outreach programs. We host a public Moongaze each month, offer beginning astronomy courses and support countless star parties for schools, scouts and various organizations. We also hold a meeting each month which includes a featured presentation.

To learn more about our society, please click here or select from the tabs above or the 'Quick Links' on the left.

weatherWhat's in the Sky Tonight (Saturday, October 03, 2015)


  • Sun - Sunset occurs about 6:49 pm (MDT). Civil twilight ends at 7:14 pm. Astronomical twilight ends around 8:11 pm.
  • Moon - Waning Gibbous Moon rises at 11:41 pm

Bright Planets

  • Mercury - In Virgo. Lost in the Sun's glare until mid-October.
  • Venus - In Leo. Shines brilliantly in the East in the early morning. Rises at 3:38 am (04 Oct).
  • Mars - In Leo. Rises at 4:18 am (04 Oct). Mars is visible low on the eastern horizon before dawn. It's about 10° NE (below and left) of Venus.
  • Jupiter - In Leo. Low in the East just before sunrise. Rises at 4:45 am on Oct 04.
  • Saturn - In Libra. Moderately low (but still a decent target) in the western sky at dusk. It sets at 9:27 pm.

Bright Satellites

  • The International Space Station (ISS) - makes high, bright pass tonight. The station will appear in the southwest (near Saturn) around 7:45 pm. It passes Vega (high overhead) at 7:48 pm, and continues to the northeast. The station passes through Casseiopeia at 7:50 before disappearing into the Earth's shadow. The estimated brightness (magnitude) is -3.1.
  • Iridium 21 - flares at 8:12:18 pm. The flare will occur about 45° above the southeast horizon. The predicted brightness (magnitude) is -2.5.

This Month's ASLC Meeting

Dave DoctorThe monthy ASLC meeting will be held on Friday, October 23rd in room 102 (Main Branch, DACC) at 7:30 pm. The group usually gets together around 7 pm to talk about 'stuff' and socialize a bit. Club business and upcoming events are discussed at 7:30. The presentation usually begins around 8 pm. Meetings are free and open to the public.

This month's ASLC speaker is Dave Doctor.

Presentation: The Video Astronomy Universe: to LDSP and Beyond

Summary: Dave will introduce or re-introduce this fascinating and rapidly growing area of astronomy to the members of the club, many of whom do not even know that we have this available to us or what it is, and in doing so perhaps more of us will become interested in getting involved with it.

While my vocation is in the medical field, I hold a BS in Astronomy from Amherst College and have been an amateur astronomer for 40 years with a wide range of interests including astroimaging, spectroscopy and astronomy education and public outreach. My interest in video astronomy came about through my participation in the operation of the ASLC's observatory at Leasburg.




Astronomical League  
The Astronomical Society of Las Cruces is a member of the Astronomical League

International DarkSky Association  
ASLC supports the eradication of light pollution by its participation in the International DarkSky Association

International DarkSky Association  
ASLC supports the Association of Lunar and Planetary Observers (founded by ASLC co-founder, the late Walter Haas)

` `` © 2015 Rich Richins