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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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As you enjoy the weekend... - last post by Tom T

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: maugi88, nicknacknock
  • 2295 topics
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Toasty Dew Heaters - last post by barbarosa

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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June 2016 Celestial Calendar - 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.

  • 25444 topics
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North American Nebula - Am... - last post by aeajr

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: bartine, LennyM, LLEEGE, spaceydee, tecmage
  • 7552 topics
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New telescope, a blessing,... - last post by Jon Isaacs


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, Susan H, tecmage
  • 600 topics
  • 5256 replies
You're Invited:  17th A... - last post by kfiscus

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, Relativist, Susan H
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Bortle 1 Skies - last post by vsteblina

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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.

  • 15996 topics
  • 233716 replies
Focus at, or through a mirror? - last post by GShaffer


"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

  • 13593 topics
  • 192339 replies
USN 7 X 50 - last post by RLoret


Binoviewer discussion forum

  • 4241 topics
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Best Binoviewer For 20"... - last post by alexvh

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
  • 14169 topics
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Who made the the biggest SC... - last post by Tak North

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.

  • 11124 topics
  • 236062 replies
Royal 100mm f10. - last post by GUS.K


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.

  • 22504 topics
  • 262256 replies
Scope Mounted Green Laser f... - last post by HxPI


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

  • 26225 topics
  • 439485 replies
ES 28mm 68° vs Televue 27mm... - last post by SStoffer


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, orlyandico, spaceydee
  • 22936 topics
  • 252352 replies
Controlling and Guiding myi... - last post by nxda


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.

  • 4467 topics
  • 90414 replies
new observatory - last post by mark77


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

  • 17945 topics
  • 285366 replies
Bath day. - last post by GShaffer


A forum for discussing refractor telescopes.

  • 22338 topics
  • 440981 replies
New big achros: 210/1200 an... - last post by francesco italy

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.

  • 4070 topics
  • 56416 replies
A very interesting discussi... - last post by Roberti

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!

  • 27268 topics
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Keeping track of focus thro... - last post by pfile

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: 1965healy, Erik Bakker, Uwe Pilz
  • 2315 topics
  • 15877 replies
Film Frame Spacing - last post by Larry10

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, pastortim, tecmage
  • 34115 topics
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Wide-Field Cepheus with 20.... - last post by Jerry Lodriguss

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, Joe Eiers, Oldfield, PhaedrusUpshaw
  • 31630 topics
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Another Moravian G3-16200 c... - last post by bilgebay

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: bartine, dr.who, nmoushon, Starman81
  • 29710 topics
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Mars 31 May 2016 from Arizo... - last post by R Botero


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

  • 8386 topics
  • 83657 replies
M107 and Box nebula - last post by starquake

Astro Imaging/Sketching Contest

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

Forum moderators: rflinn68
  • 427 topics
  • 2894 replies
A huge field of view of NGC... - last post by junomike

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Solar System Observing

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

  • 6562 topics
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Bright comets on June - last post by Pepe Chambó

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.)

  • 4900 topics
  • 39880 replies
Lunar "X" imaged -... - last post by Cathexis

Deep Sky Observing

A dark place to discuss deep sky observing and observations

Forum moderators: Dave Mitsky, Knuklhdastrnmr, orlyandico
  • 7399 topics
  • 83647 replies
Memorial Day's night - last post by havasman

Double Star Observing

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

Forum moderators: noisejammer, PJ Anway, rflinn68, Uwe Pilz
  • 2523 topics
  • 28160 replies
Beta Scorpii - last post by mauigazer

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: GShaffer, Jaimo!, Ken Sturrock, LLEEGE
  • 25464 topics
  • 201847 replies
This is just Awesome ! - last post by De Lorme

Variable Star Observing and Radio Astronomy

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

Forum moderators: noisejammer, rgsalinger
  • 1005 topics
  • 7003 replies
Supernova in M66 - last post by CharlesC

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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, pastortim
  • 11750 topics
  • 146169 replies
Autoguiding with a CPC - last post by Staedtler

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: Brian Risley, cbwerner, Erik Bakker
  • 1041 topics
  • 9426 replies
Power Guide 3, anybody get... - last post by Billydee

Meade Computerized Telescopes

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

  • 8198 topics
  • 71641 replies
60 day review of ETX 80 - last post by aeajr

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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, nitegeezer, orlyandico
  • 265 topics
  • 6239 replies
2016 RTMC Astronomy Expo - last post by Daniel Mounsey

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, maugi88, spaceydee
  • 3495 topics
  • 36672 replies
H.G. Wells' The Time Ma... - last post by Daniel Mounsey

Astronomy Clubs and Star Parties

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

Forum moderators: darklighteditor, Jawaid I. Abbasi, Joe C
  • 2612 topics
  • 75050 replies
Pixieland S.P., Goldendale... - last post by Whiskcat

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, PatHolland, rgsalinger
  • 5491 topics
  • 47387 replies
Evo, SkyFi, SkySafari Myste... - last post by JonNPR

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.

  • 4471 topics
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Heading toward a black hole... - last post by scottk

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
  • 1026 topics
  • 9558 replies
New England fireball 5/16/16 - last post by mark8888

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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: Geo557, star drop
  • 1396 topics
  • 21620 replies
High quality magnifying glass? - last post by mooreorless

Toggle CN Feedback and Vendor Announcements CN Feedback and Vendor Announcements

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Vendor and Group Announcements

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

Forum moderators: Brian Risley, Greyhaven, nicknacknock
  • 4028 topics
  • 28021 replies
Lockwood Custom Optics - last post by nicknacknock

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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