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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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Happy New Year One And All - 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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The Ages of Astrophotograph... - last post by sternenben

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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  • 25 replies
ALPO Comet News for January... - last post by Carl H.

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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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Newbie eyepiece question - last post by DiMora

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
  • 9560 topics
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iLasik - last post by yemtig


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
  • 799 topics
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Public Outreach Sky Objects - last post by Joshiewowa

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, Goofi, JayinUT, Relativist
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  • 17963 replies
The PRO's of LED - last post by pstarr

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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
  • 17938 topics
  • 277498 replies
Real Time Unmasked Foucault... - last post by mark cowan


"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

  • 15123 topics
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What did you see last night... - last post by contrailmaker


Binoviewer discussion forum

  • 4629 topics
  • 48024 replies
Your most memorable Binoview! - last post by Bob4BVM

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
  • 16023 topics
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Odd feature in new C11edge - last post by Endymion

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.

  • 12648 topics
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Why you use a  green filter... - last post by Jeff B


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, rgsalinger
  • 25254 topics
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When are the next sales com... - last post by PXR-5


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

Forum moderators: cbwerner, Cotts, FirstSight, Jaimo!
  • 28520 topics
  • 491601 replies
Ethos 13 vs Docter 12.5 vs... - last post by Aleko


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.

  • 26754 topics
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Just how badly can seeing c... - last post by Stelios


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.

  • 5010 topics
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does this v track look ok - last post by iwols


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
  • 19532 topics
  • 316266 replies
Post a pic of your EQUATORI... - last post by charles genovese


A forum for discussing refractor telescopes.

  • 24822 topics
  • 504378 replies
My New Takahashi FC-100DF (... - last post by mrector

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
  • 36252 topics
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Been away from the forum, h... - last post by Hawkdl2

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: Erik Bakker, moabyte, nicknacknock, Uwe Pilz
  • 2405 topics
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Region of the Pleiades in f... - last post by donlism

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
  • 37701 topics
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NGC4038 - NGC4039 Antennae... - last post by 17.5Dob

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
  • 36107 topics
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The Top 100 Astrophotograph... - last post by Gary Imm

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
  • 33303 topics
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Mars January 17 - last post by Sunspot


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

Forum moderators: JayinUT, Jeff Struve, Susan H
  • 9766 topics
  • 96613 replies
Why Sketching? - last post by Asbytec

Astro Imaging/Sketching Contest

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

Forum moderators: rflinn68
  • 443 topics
  • 2958 replies
NGC 1499 CALIFORNIA NEBULA. - last post by chongo228

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Solar System Observing

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

Forum moderators: Jaimo!, Jawaid I. Abbasi, orlyandico
  • 6993 topics
  • 69657 replies
The coming Super Blue Moon... - last post by M57Guy

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
  • 5324 topics
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Friday's 2.9-Day-Old Cr... - last post by Dave Mitsky

Deep Sky Observing

A dark place to discuss deep sky observing and observations

  • 8051 topics
  • 92371 replies
NGC1421 ~edge-on in Eridanus - last post by Starman1

Double Star Observing

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

Forum moderators: noisejammer, rflinn68, Uwe Pilz
  • 2798 topics
  • 30767 replies
The story behind HJ 5003? - last post by Dave Ittner

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: GShaffer, Jaimo!, Ken Sturrock, LLEEGE
  • 27622 topics
  • 215514 replies
Gorgeous liftoff caught wit... - last post by TerryWood

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, star drop
  • 1151 topics
  • 8097 replies
Chance encounter with a var... - last post by leeasle

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.

  • 5752 topics
  • 85870 replies
static telescope "drift... - last post by Adun

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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
  • 13153 topics
  • 161100 replies
8SE arm/base with 4/5SE tripod - last post by Michael_Swanson

Questar Forum

A forum for discussing Questar and Quantum telescopes

  • 1343 topics
  • 13033 replies
Q7 Restoration Project -... - last post by Les Aperture

Meade Computerized Telescopes

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

  • 8744 topics
  • 76585 replies
LX200 Classic repair help (... - last post by Starkid2u

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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
  • 311 topics
  • 6871 replies
NEAF 2018 Announcements - last post by Bob Moore

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
  • 3789 topics
  • 39967 replies
Annals of the Deep Sky Volu... - last post by turtle86

Astronomy Clubs and Star Parties

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

  • 2833 topics
  • 78918 replies
Pacific NW Mt St Helens Ete... - last post by cliff mygatt

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
  • 6271 topics
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SkySafari 6 Pro - last post by ascii

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.

  • 4791 topics
  • 72005 replies
Gravitational lens discovery - last post by gavinm

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
  • 1085 topics
  • 10022 replies
Meteorite in Detroit - last post by NEOhio

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.

  • 817 topics
  • 8735 replies
Photo Contest - Category: E... - last post by SKYGZR

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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
  • 1432 topics
  • 21835 replies
Photos of your vintage/clas... - last post by NGC704

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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
  • 4663 topics
  • 35656 replies
Looking for SkyTools 4 Beta... - last post by geminijk

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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