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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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Today, take a moment a mome... - last post by Tom T

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: nicknacknock, The Ardent
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Cosmic Challenge - NGC 404 - last post by Dave Mitsky

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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November 2017 Celestial Cal... - 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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What size allen key to coll... - last post by Captndon

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: csa/montana, nicknacknock, pastortim
  • 9317 topics
  • 156254 replies
GPS Satellite Flares? - last post by cosmologist


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, Jeff Struve
  • 790 topics
  • 8015 replies
Griffith observatory star p... - last post by Quesspette

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: cbwerner, csa/montana, JayinUT, Relativist
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Please welcome new Moderators! - last post by Relativist

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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.

Forum moderators: GShaffer, noisejammer, Starman81, SteveC
  • 17716 topics
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Secondary size and Coma Cor... - last post by geyes30


"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

  • 14955 topics
  • 217793 replies
Vintage 8x60 Universal Came... - last post by gunut


Binoviewer discussion forum

  • 4590 topics
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WO Binoviewer Sticky? - last post by sonny.barile

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, Jaimo!, Starman27
  • 15843 topics
  • 234179 replies
Just Got Celestron CGEM II... - last post by Pitter

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.

  • 12464 topics
  • 296174 replies
What did you do to your Sco... - last post by DMala


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.

  • 24930 topics
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Suprised ... and a Bit Emba... - last post by HowardSkies


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

Forum moderators: cbwerner, Cotts, FirstSight, Jaimo!
  • 28296 topics
  • 486405 replies
Vixen Flip Diagonal-not wor... - last post by Mordakyblu


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.

  • 26351 topics
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Stellar Masses stainless st... - last post by Jaimo!


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.

  • 4951 topics
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Solar Power for totally off... - last post by vsteblina


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

Forum moderators: csa/montana, Goofi, JayinUT, Knuklhdastrnmr
  • 19390 topics
  • 313121 replies
32" f/3.3 SDM/Lockwood - last post by M44


A forum for discussing refractor telescopes.

  • 24538 topics
  • 496900 replies
Lightning strikes again! Wh... - last post by Littlegreenman

Celestron SkyScout and Meade mySky

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

  • 384 topics
  • 2907 replies
New moderator - last post by Moondoggy

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Beginning and Intermediate Imaging

This forum is mainly intended for beginners getting started imaging DSOs as well as intermediate imagers looking to improve their technique. Please read the forum rules before you post!

Forum moderators: Goofi, Mike I. Jones, nmoushon, rflinn68
  • 35302 topics
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What adapter, and why is it... - last post by Brikeibur

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: Erik Bakker, moabyte, nicknacknock, Uwe Pilz
  • 2397 topics
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Mount slr lens to dslr camera - last post by GoFish

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: LLEEGE, moabyte, pastortim, Starman27
  • 37330 topics
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t3i battery problems - last post by robert172

CCD/CMOS Astro Camera Imaging & Processing

This forum is for more advanced discussion involving dedicated cameras for deep sky astrophotography, using CCD or CMOS sensors. A place to discuss techniques, software, and engage in friendly conversations.

Forum moderators: JayinUT, Joe Eiers, Oldfield
  • 35516 topics
  • 295943 replies
NGC6960 by QHY16200A in BDO - last post by Jason Lin

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: JayinUT, moabyte, nmoushon, Starman81
  • 33059 topics
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Rimae Sirsalis - last post by AvaniSoares


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

Forum moderators: JayinUT, Jeff Struve, Susan H
  • 9649 topics
  • 95729 replies
Open cluster Trumpler 2 - last post by Mark54

Astro Imaging/Sketching Contest

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

Forum moderators: rflinn68
  • 443 topics
  • 2951 replies
Congratulations srosenfraz... - last post by reixi

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Solar System Observing

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

Forum moderators: Jaimo!, Jawaid I. Abbasi, orlyandico, SteveC
  • 6935 topics
  • 69119 replies
ASASSN-ated! - last post by johnpd

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 500K.)

Forum moderators: Joe Eiers, nicknacknock, Starman81
  • 5271 topics
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Why do you observe the Moon? - last post by makeitso

Deep Sky Observing

A dark place to discuss deep sky observing and observations

  • 7954 topics
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Favorite obscure objects? - last post by Symui

Double Star Observing

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

Forum moderators: noisejammer, rflinn68, Uwe Pilz
  • 2774 topics
  • 30519 replies
Double Stars for Small Bino... - last post by SNH

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: GShaffer, Jaimo!, Ken Sturrock, LLEEGE
  • 27512 topics
  • 214693 replies
Lunt 230mm honest opinions. - last post by petert913

Observational Astrophysics

A place to record your methods and observations that relate to stellar dynamics and evolution, including variable and carbon stars. Spectroscopy, photometry and radio astronomy are particularly welcome.

Forum moderators: noisejammer, rgsalinger, Susan H
  • 1123 topics
  • 7899 replies
nu2 Bootis - last post by old_frankland

EAA Observation and Equipment

Electronically Assisted Astronomy (EAA) is the use of a digital image capturing device in lieu of an eyepiece at the telescope. Here members can talk about the equipment used, share their observing experiences, and post sketches and images captured with EAA devices.

  • 5567 topics
  • 82893 replies
PVS-7 with small refractor... - last post by Rickster

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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, junomike, pastortim
  • 13031 topics
  • 159513 replies
Show off your NexStar - last post by Don W

Questar Forum

A forum for discussing Questar and Quantum telescopes

  • 1329 topics
  • 12778 replies
Fast Focus Questar - last post by Hillbill

Meade Computerized Telescopes

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

  • 8693 topics
  • 76132 replies
meade 497 controller - 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: nicknacknock, orlyandico, Rocket Ron
  • 308 topics
  • 6830 replies
How far in advance should I... - last post by kellyvictoria

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: JayinUT, junomike, The Ardent
  • 3749 topics
  • 39651 replies
YouTube "Astronomy for... - last post by faackanders2

Astronomy Clubs and Star Parties

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

  • 2821 topics
  • 78803 replies
6" Unitron Star-Party i... - last post by CCD-Freak

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: nicknacknock, rgsalinger
  • 6163 topics
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Many Chromebooks now run An... - last post by btschumy

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.

  • 4759 topics
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How do you think we can get... - last post by EJN

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: cbwerner, darklighteditor, Jeff Struve
  • 1081 topics
  • 9999 replies
Concevert visual magnitude... - last post by bob71741

North American Total Solar Eclipse 2017

A forum for discussion of all things related to the North American total solar eclipse of 2017 - events, outreach, equipment, etc.

  • 804 topics
  • 8583 replies
Total Solar Eclipse (AFE#101) - last post by faackanders2

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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: nicknacknock, Rocket Ron, Starman27
  • 1431 topics
  • 21818 replies
Photos of your vintage/clas... - last post by Foundationer

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Vendor and Group Announcements

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

Forum moderators: Brian Risley, nicknacknock
  • 4572 topics
  • 34669 replies
Lockwood Custom Optics - last post by Jeff Morgan

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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