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May 9, 2015
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The 32-inch (?) Dob
Submitted by William Lee
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The Amateur Telescope Makers of Boston, Inc. (ATMoB) is an astronomy club devoted to telescope making, observing, and studying the heavens. The ATMoB was founded in 1934 with the cooperation of Dr. Harlow Shapley at Harvard College Observatory.

We meet formally every month (except August) to hear a speaker, to discuss club activities, and to socialize. Membership is open to all those interested in pursuing astronomy as a hobby.  For additional details...
Next Club Meeting
Meetings are held the second Thursday of each month, except August.

Meetings are held in Phillips Auditorium, Harvard-Smithsonian Center for Astrophysics and are open to the public.

Full meeting details...
List of Upcoming Astronomical Events brought to you by the Observing Committee
Tonight's SkyExternal Link
April Sky
4 Apr Full (Pink) Moon at 8:06am EDT; total eclipse not visible from NE USA
8 Apr Saturn appears next to the waning gibbous Moon. Look SSW an hour before sunrise.
11 Apr Last Quarter Moon at 11:44pm EDT
18 Apr New Moon at 2:57pm EDT
21 Apr A waxing crescent Moon, Venus, and Aldebaran form an attractive triangle in the western sky an hour after sunset.
22 Apr Lyrid Meteors at peak activity (~10/hr) early this evening.
22 Apr Mercury and Mars just 1.3 degrees apart. Using binoculars, look very low above the WNW horizon 45 minutes after sunset.
25 Apr First Quarter Moon at 7:55pm EDT
25-26 Apr Jupiter and the Moon appear together on these evenings
Planets in April
Mercury Superior conjunction on the 10th; reappears very low in the western evening sky.
Venus Continues to dominate the western sky after sunset, remaining visible for 3 hours.
Mars Disappears in the glare of the setting sun at month's end.
Jupiter In Cancer; well-placed for observing in the evening sky
Saturn In Scorpius, rises before midnight.
Upcoming Events
4-Apr Total Lunar Eclipse
9-18 Apr Globe at Night (www.globeatnight.org)
13-18 Apr International Dark Sky Week
18-19 Apr NEAF Suffern NY (www.rocklandastronomy.com/neaf.html)
22-23 Apr Lyrids Meteor Shower
25-Apr International Astronomy Day (spring)
5-6 May Eta Aquarids Meteor Shower
7-May Mercury at Greatest Eastern Elongation
9-18 May Globe at Night (www.globeatnight.org)
10-17 May Texas Star Party Ft. Davis TX (texasstarparty.org)
23-May Saturn at Opposition
21-25 May RTMC Astronomy Expo Big Bear City CA (www.rtmcastronomyexpo.org)
6-Jun StarConn Middletown CT (asgh.org/starconn/index.htm)
6-Jun Venus reaches its greatest angular distance - 45 degrees to the east of the sun
8-17 Jun Globe at Night (www.globeatnight.org)
11-14 Jun Cherry Springs Star Party Harrisburg PA (www.astrohbg.org/CSSP)
21-Jun June Solstice
24-Jun Mercury at Greatest Western Elongation
30-Jun Venus/Jupiter conjunction - 1/4 degree separation
7-16 Jul Globe at Night (www.globeatnight.org)
10-12 Jul Astronomer's Conjunction Northfield MA (www.philharrington.net/astroconjunction)
14-Jul New Horizons at Pluto
15-19 Jul Mason Dixon Star Party Wellsville PA (masondixonstarparty.org)
28-29 Jul Delta Aquarids Meteor Shower
5-14 Aug Globe at Night (www.globeatnight.org)
12-Aug Perseid Meteor Shower
13-16 Aug Stellafane Springfield VT (stellafane.org)
16-22 Aug Maine Astronomy Retreat, Washington, Maine, hosted by Kelly Beatty and Bruce Berger. http://www.medomakretreatcenter.com/starparty.php
1-Sep Neptune at Opposition
3-12 Sep Globe at Night (www.globeatnight.org)
4-Sep Moon occults Aldeberan
4-Sep Mercury at Greatest Eastern Elongation
19-Sep Astronomy Day (fall)
23-Sep September Equinox
27-28 Sep Lunar Eclipse
1-Oct Newly discovered comet C/2013 US10 Catalina may reach naked eye visibility on October 1. The comet will continue to brighten and could reach magnitude 5 by November 6.
2-16 Oct Great World Wide Star Count (hwww.windows2universe.org/citizen_science/starcount
3-12 Oct Globe at Night (www.globeatnight.org)
8-Oct Draconids Meteor Shower
11-Oct Uranus at Opposition
21-22 Oct Orionids Meteor Shower
26-Oct Venus/Jupiter Conjunction - 1 degree separation
26-Oct Venus at Greatest Western Elongation
28-Oct Conjunction of Venus, Mars, and Jupiter
2-11 Nov Globe at Night (www.globeatnight.org)
5-12 Nov Taurid meteor shower
17-18 Nov Leonids Meteor Shower
2-11 Dec Globe at Night (www.globeatnight.org)
7-Dec Conjunction of the Moon and Venus
13-14 Dec Geminids Meteor Shower
21-22 Dec Ursids Meteor Shower
22-Dec December Solstice
29-Dec Mercury at Greatest Eastern Elongation.

Sources: NASA JPL Space Calendar, StarDate Online, Sky & Telescope, Harvard-Smithsonian Center for Astrophysics, RASC Observerís Handbook, Abrams Planetarium Sky Calendar and Astronomy Magazine.
Thanks to Glenn Chaple for compiling the data, and to Andrew MacKenzie for the code that makes this work.
Local Sky Conditions - the darker the better!
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