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CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

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Cloudy Nights Announcements

News from the Cloudy Nights team pertaining to the website and forums

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Eddgie...Star Contributor A... - last post by WaterMaster

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: droid, mayidunk
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My NexStar 5 Journey - last post by Telescoop

Celestial Events

Welcome to Celestial Events, a bulletin board for announcements about currently or soon to be observable astronomical events. Need a finder chart for that bright comet? Want to know when the next meteor shower will peak? Looking for suggestions on what to observe? Visit regularly for answers to all your questions about what's happening now in the celestial show.If folks want to discuss these events, the staff of Cloudy Nights invites you to start or join a thread in the appropriate observing forum. Celestial Events is for announcements only.

Forum moderators: Dave Mitsky
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October 2015 Celestial Cale... - last post by Dave Mitsky

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Beginners Forum

A place for people new to the hobby to ask their questions and receive some helpful answers. We're here to help you.

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Uptick in scammers in Class... - last post by panhard

General Observing and Astronomy

General Observing and Amateur Astronomy topics and questions that do not fit into our other forums. This includes unaided eye observing (satellites, weather, auroras etc) and non equipment topics (LASIK, observing sites, dressing for the cold/hot etc)

Forum moderators: LLEEGE, sevenhelmet, tecmage
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Pluto is the typical planet - last post by grif 678


The official forum for the Astronomy Outreach Network. Post questions about Outreach, suggestions or even just publicize your Outreach events. If it has to do with promoting our great hobby, it goes here!

Forum moderators: Cotts, nitegeezer, tecmage
  • 524 topics
  • 4617 replies
outreach recommendations - last post by Jason B

Light Pollution

While CN does not typically allow politics, this is one forum in which the discussion of legislation dealing with this matter is permitted. This is a problem that will eventually affect all of us to one degree or another.

Forum moderators: nitegeezer, PatHolland
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Old news is still good news - last post by George N

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ATM, Optics and DIY Forum

Amateur Telescope Making (ATM) and any do it yourself related activities. Ask questions, discuss and post pictures of telescope related projects, optics, telescopes, observing chairs, etc.

  • 15306 topics
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Why do mirror kits cost as... - last post by Pinbout


"Best Of Binocular" Library, How to Choose, Equipment Minireviews, Observation Reports, Testing Aspects, Aberrations and Deficiencies, Books, Binocular Mounts, Observing Lists, Exit Pupil vs Eye Pupil, Binocular Vision and more

Forum moderators: Knuklhdastrnmr, nicknacknock
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Lunt/APM APO collimation tool - last post by oldmanrick


Binoviewer discussion forum

Forum moderators: dr.who, Geo557, Joe C
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Bino amplification factor? - last post by G.Richard

Cats & Casses

A forum for discussing Cassegrain (Classic Cassegrain, Ritchey-Chrétien, Dall–Kirkham, etc) and Catadioptric telescopes (Schmidt and Maksutov Cassegrains, ACF, Edge HD, etc).

Forum moderators: cbwerner, GShaffer, kkokkolis, Starman27
  • 13442 topics
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Meade 107D - last post by grif 678

Classic Telescopes

Telescopes from an era gone by. The place to discuss older telescopes. Antiques, flea market finds, and scopes from grandpa's attic. From the 1780's to the 1980's - refractors, reflectors, and early SCT's. Discussing all aspects of restoring, collecting, and observing with older scopes.

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Who Got one of these with y... - last post by starman876


A forum for any general equipment discussion, accessories and a great starting point if you are not sure where to post that burning question about equipment.

Forum moderators: cbwerner, Ken Sturrock, rflinn68, tecmage
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A Green Laser, Feds and Cops - last post by Pinbout


A place to discuss our favorite eyepieces and eyepiece accessories, barlows, filters, etc.

Forum moderators: ausastronomer, cbwerner, Cotts, droid, kkokkolis
  • 25266 topics
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Everyone should have a nice... - last post by CeleNoptic


A Forum to discuss all types of mounts and mount accessories - including computerized, manual, GEM, fork mount, parallactic, alt-az, DSCs, PushTo and GoTo systems.

Forum moderators: Dave M, dr.who, flyingcougar
  • 21620 topics
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Just received my Atlas Pro - last post by Paul G


A forum for discussing the ins and outs of current observatories as well as sharing designs, and ideas. Manufacturers and Vendors are invited to attend.

  • 4270 topics
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Where to get the Dome roof? - last post by dioscouri


A forum for discussing Newtonian type reflecting telescopes (including Schmidt and Maksutov designs as well as Herschelian, Off-Axis, etc).

  • 17377 topics
  • 274363 replies
114mm, good planetary newt? - last post by Joe1950


A forum for discussing refractor telescopes.

Forum moderators: dr.who, FirstSight, PhaedrusUpshaw, star drop
  • 21418 topics
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big portable refractor - last post by raal

Electronically Assisted Astronomy

A meeting place for people that use or wish to discuss Electronically Assisted Astronomy and the equipment used. Electronically Assisted Astronomy is the use of a digital image capturing device in lieu of an eyepiece at the telescope.

Forum moderators: cbwerner, FirstSight, flyingcougar, Starman27
  • 3459 topics
  • 44738 replies
Mallincam Skyraider Questions - last post by ccs_hello

Celestron SkyScout and Meade mySky

A dedicated forum for the Celestron SkyScout and Meade mySky hand held planetariums. (archive)

  • 384 topics
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New moderator - last post by Moondoggy

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Beginning and Intermediate Imaging

This forum is mainly intended for beginners getting started imaging as well as intermediate imagers looking to improve their technique. Typical beginning imaging equipment will include webcams, the Meade DSI and other low cost imagers. Please read the image posting guidelines before you post!

Forum moderators: dr.who, nitegeezer, rflinn68, Undermidnight
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Help with DSS - last post by xiando

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: 1965healy
  • 2295 topics
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Free Software for Registeri... - last post by Michal1

DSLR & Digital Camera Astro Imaging & Processing

This forum is for DSLR & Digital Camera Astro imaging. Those folks with regular digital cameras are welcome to post here. Discuss equipment, techniques, software; and of course, post your photos! Please read the forum guidelines inside the forum for more info.

Forum moderators: Dave M, LLEEGE, tecmage
  • 32746 topics
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NGC 7331 – Spiral Galaxy in... - last post by mark in ventura

CCD Imaging & Processing

A forum about CCD Imaging to include posting images, taken with CCD camera, discuss techniques, software and engage in friendly conversations.

Forum moderators: dr.who, Oldfield, PhaedrusUpshaw
  • 30265 topics
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Sbig or Mallincam or ... ? - last post by nxda

Solar System Imaging & Processing

A forum to post images of the Sun, Moon, Planets and other objects winging through the Solar System. All Camera types are invited to post images and discuss techniques, software and engage in friendly competition. Please read the image posting guidelines before you post!

Forum moderators: dr.who, Starman81
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New ASI224 camera with extr... - last post by AstroEthan


A forum for the discussion of sketching stellar objects, and displaying user drawings.

  • 7661 topics
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Crescent and the Fireworks... - last post by rolandlinda3

Astro Imaging/Sketching Contest

This forum is to be used to submit photos for the Astro Imaging/Sketching Contest.

Forum moderators: rflinn68
  • 424 topics
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Messier Catalogue - last post by kosmosoved

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Solar System Observing

A friendly place to discuss planetary & solar system object observing.

Forum moderators: dr.who, Rich (RLTYS), star drop
  • 6345 topics
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Venus - last post by bherv

Lunar Observing

A forum dedicated to the observation and appreciation of our Moon. Join us in the Lunie Bin and learn about the only world other than the Earth to bear the imprint of human feet. Images and sketches are most welcome. (Please limit the size of image files to 100K.)

Forum moderators: nicknacknock, star drop, Starman81
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Vallis Alpes - last post by Asbytec

Deep Sky Observing

A dark place to discuss deep sky observing and observations

  • 7138 topics
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Helix Nebula - last post by stargzr66207

Double Star Observing

Double Stars, Rayleigh Limit and Dawes Limit; a place for observers with split personalities.

Forum moderators: PJ Anway, rflinn68, Rich (RLTYS)
  • 2411 topics
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STF2470 & 2474 - "T... - last post by Abhat

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: GShaffer, Ken Sturrock, LLEEGE
  • 24812 topics
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High aperture CaK imaging w... - last post by ValeryD

Variable Star Observing and Radio Astronomy

This is a forum for variable star observers and radio astronomy discussion.

Forum moderators: Rich (RLTYS)
  • 956 topics
  • 6732 replies
new SX spectrograph - last post by Lightpath

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Celestron NexStar

Discussion forum for Celestron computerized telescopes and mounts using NexStar technology (NexStar, NexStar GPS, CPC, etc).

Forum moderators: Brian Risley, mayidunk
  • 11310 topics
  • 140875 replies
Where to buy Evolution 9.25... - last post by lenrabinowitz

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: Brian Risley, cbwerner
  • 947 topics
  • 8637 replies
Old Guy + Older Questar = N... - last post by Mr. Krabappel

Meade Computerized Telescopes

A forum to discuss advanced Meade scopes. Among them the ETX, LX90, LX200, LX200 GPS, RCX, and the LX200 ACF series.

  • 8005 topics
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LX200R GPS alignment and Au... - last post by OzAndrewJ

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Astronomy Shows & Conferences

A place to discuss, learn about and make plans for NEAF, Arizona Science and Astronomy Expo, imaging conferences and more.

Forum moderators: droid, nicknacknock
  • 246 topics
  • 5910 replies
"Lick Observatory - A S... - last post by PeterKA

Astro Art, Books, Websites & Other Media

A place to share your astronomy artwork (non-photographic) and *non* commercial astronomy websites and discuss astro related books, magazines, charts, movies and TV shows.

Forum moderators: Geo557, kkokkolis
  • 3351 topics
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What book(s) got you starte... - last post by jackofalltrades

Astronomy Clubs and Star Parties

For discussion and announcements of astronomy club meetings, star parties and other events.

Forum moderators: darklighteditor, Joe C
  • 2535 topics
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Potter County Potential New... - last post by kennyrichmond

Astronomy Software & Computers

This is the place to discuss all things associated with computers & gadgets, both hardware and software (including PDAs, smartphones, tablets, laptops, astronomy programs and apps, Celestron SkyScout and Meade MySky devices, etc.) -- as they relate to astronomy.

Forum moderators: kkokkolis, PatHolland
  • 5221 topics
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iPhone 6s Plus:  How to Mai... - last post by Sarkikos

Science! Astronomy & Space Exploration, and Others

Discuss all science topics, particularly the sciences relating to Astronomy and Space Exploration. This includes all the natural sciences: Physics, Chemistry, Geology, and Biology. They can include applied sciences such as engineering and construction as well. Wherever the scientific method is used, you can discuss it here. As always, no politics, pseudo-science, crack-pottery, or anti-science.

Forum moderators: FirstSight, GShaffer, LivingNDixie
  • 4313 topics
  • 63126 replies
Man On Mars? NASA Says It... - last post by maugi88

Space Rocks

This is the place to discuss meteorites and related subjects - including tektites, impact theories, and parent bodies. Got a question about collecting or caring for your meteorites? Ask it here.

Forum moderators: darklighteditor, Dave M
  • 1011 topics
  • 9421 replies
Water bearing Martian Meteo... - last post by Scott in NC

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Cloudy Days & Microscopes

This forum is to discuss birding and other daytime or indoor terrestrial usage of optics, and related equipment; e.g. microscopes.

Forum moderators: mayidunk
  • 1360 topics
  • 21480 replies
Cicada Killer, or, What to... - last post by cpsTN

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Vendor and Group Announcements

A place for vendors and non-CN related organizations to post announcements.

Forum moderators: Brian Risley
  • 3776 topics
  • 26223 replies
SkyShed POD MAX Almost Read... - last post by SkyShed

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