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IN THE NEXT ISSUE
BOTTOM
: S&T:
SEAN WALKER;
TOP
: ESA
On newsstands July 1st!
Rosetta’s Comet Rendezvous
Europe’s intrepid spacecraft will reach Comet
67P/Churyumov-Gerasimenko in August
after a decade of interplanetary travel.
The Origin of Lunar Craters
By recognizing the similarity of lunar craters
to bomb craters formed during World War I,
a largely forgotten scientist made an impor-
tant discovery about the Moon.
NEAF Roundup
S&T editors highlight the most exciting
new products unveiled at April’s Northeast
Astronomy Forum.
How to Clean Your Optics
Cleaning the mirrors and lenses in your tele-
scopes and eyepieces the right way will keep
them in tip-top operating condition.
AG Optical........................... 81
Ash Manufacturing Co., Inc............. 79
Astro Haven Enterprises................ 81
Astro-Physics, Inc...................... 82
Astronomics......................... 63
Bob’s Knobs......................... 80
CNC Parts Supply, Inc.................. 80
DFM Engineering, Inc.................. 53
DiscMounts, Inc....................... 81
Equatorial Platforms................... 80
Explore Scientifi c - Bresser.............. 88
Finger Lakes Instrumentation, LLC....... 13
Foster Systems, LLC................... 80
Glatter Instruments................... 80
Goto USA, Inc......................... 5
International Dark-Sky Association....... 81
iOptron............................. 17
Khan Scope Centre.................... 81
Knightware........................... 81
Lunatico Astronomia.................. 80
Meade Instruments Corp............. 7-10
Observa-Dome Laboratories............ 59
Obsession Telescopes................. 79
Oceanside Photo & Telescope........... 59
Peterson Engineering Corp.............. 81
PlaneWave Instruments................ 82
PreciseParts.......................... 80
Rainbow Optics....................... 81
Santa Barbara Instrument Group......... 3
Scope Project......................... 81
Sky & Telescope................ .59, 63, 79
Sky-Watcher USA...................... 25
Software Bisque....................... 87
Stellarvue............................ 82
Summer Star Party.................... 53
Technical Innovations.............. .80, 81
Tele Vue Optics, Inc..................... 2
Texas Nautical Repair, Inc............... 63
The Teaching Company................ 33
TravelQuest International............... 82
Willmann-Bell, Inc..................... 81
Woodland Hills Telescopes............. 53