Jump to content


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.

Toggle Announcements and News Announcements and News

  Forum Stats Last Post Info

Cloudy Nights Announcements

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

  • 717 topics
  • 557 replies
Here's wishing you and... - last post by Tom T

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: Dan Crowson, The Ardent
  • 2419 topics
  • 27690 replies
Chronicling the Golden Age... - last post by JimP

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
  • 237 topics
  • 25 replies
February 2019 Celestial Cal... - last post by Dave Mitsky

Toggle General Astronomy General Astronomy

  Forum Stats Last Post Info

Beginners Forum (No astrophotography here - please read the forum description)

A place for new astronomers to ask visual observing or basic equipment questions and report their findings.
- Advanced or specialized topics should be discussed in their dedicated forums.
- Beginning astrophotographers should read, and then post, in the Beginning & Intermediate Imaging Forum.

Forum moderators: aeajr, pastortim, Starman27
  • 28899 topics
  • 458685 replies
SkySafari 5 Plus vs SkySafa... - last post by Mr. Mike

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: aeajr, csa/montana, pastortim, Uwe Pilz
  • 10735 topics
  • 191634 replies
What will you miss the most... - last post by Mr. Mike


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
  • 916 topics
  • 10947 replies
Northeastern US (Maine) Dis... - last post by clearwaterdave

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: csa/montana, lylver
  • 1669 topics
  • 20022 replies
Houston, TX Area Dark Sky S... - last post by Clete

Toggle Equipment Discussions Equipment Discussions

  Forum Stats Last Post Info

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, Sean Cunneen, Starman81
  • 19373 topics
  • 308960 replies
Cerium Oxide Vs Red Rouge - last post by gregj888


"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

  • 16035 topics
  • 238711 replies
Carl Zeiss 7x50 GA B T* Cla... - last post by 25585


Binoviewer discussion forum

  • 4802 topics
  • 49947 replies
William Optics binoviewers - last post by dswtan

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: GShaffer, Jaimo!, Starman27
  • 17312 topics
  • 260514 replies
Mak-Newt pics - last post by agmoonsolns

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.

Forum moderators: CharlieB, rgsalinger, Sean Cunneen
  • 13614 topics
  • 343753 replies
Cave Astrola secondary inst... - last post by TOMDEY


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: aeajr, rgsalinger, Stelios
  • 27239 topics
  • 316923 replies
Power supply assistance! - last post by WadeH237


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

Forum moderators: Cotts, FirstSight, Jaimo!, lylver
  • 30022 topics
  • 525650 replies
Which 24mm eyepiece should... - last post by Starman1


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.

  • 29517 topics
  • 335557 replies
Teegul lapides help needed - last post by happycamperjohn


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.

  • 5408 topics
  • 106232 replies
Flooring Options for Roll O... - last post by Jim_V


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

  • 20678 topics
  • 338602 replies
Any 8 inch telescope with a... - last post by AnalogKid


A forum for discussing refractor telescopes.

Forum moderators: FirstSight, junomike, rgsalinger, Uwe Pilz
  • 26645 topics
  • 557701 replies
Astrotech 80mm f/6 triplet... - last post by Mr. Mike

Toggle Astrophotography and Sketching Astrophotography and Sketching

  Forum Stats Last Post Info

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: ChrisMoses, nmoushon, Stelios
  • 41524 topics
  • 413270 replies
New to SGP, PlateSolve2 wor... - last post by freestar8n

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: Erik Bakker, moabyte, Uwe Pilz
  • 2459 topics
  • 16943 replies
Pleiades from the late 1970... - last post by Uwe Pilz

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: moabyte, pastortim, Starman27
  • 39925 topics
  • 324938 replies
PixInsight - Using DBE In A... - last post by scadvice

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.

  • 40178 topics
  • 336643 replies
Post your Pixinsight Proces... - last post by SebaAstro

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: moabyte, nmoushon, Sean Cunneen, Starman81
  • 36268 topics
  • 251082 replies
Crater Clavius C14 - last post by richard bosman


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

Forum moderators: frank5817, Jeff Struve, Susan H
  • 10838 topics
  • 105209 replies
Globular clusters: what is... - last post by bertandlaville

Toggle Observing Observing

  Forum Stats Last Post Info

Solar System Observing

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

Forum moderators: Jaimo!, Jawaid I. Abbasi, orlyandico
  • 7373 topics
  • 74165 replies
Jupiter GRS this AM in view - last post by phillip

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: frank5817, Joe Eiers, Starman81
  • 5583 topics
  • 44864 replies
Happy with this pic of the... - last post by DNA7744

Deep Sky Observing

A dark place to discuss deep sky observing and observations

  • 8474 topics
  • 97951 replies
What can you see with a 10i... - last post by Francopoli

Double Star Observing

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

Forum moderators: CharlieB, Uwe Pilz
  • 2996 topics
  • 32558 replies
What is the "Rule"... - last post by Cotts

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: GShaffer, Jaimo!
  • 28687 topics
  • 223293 replies
Current fila / prom today 1... - last post by Marke

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: ChrisMoses, rgsalinger, star drop
  • 1279 topics
  • 9042 replies
Adventures with an ALPY and... - last post by Organic Astrochemist

Toggle Telescope Specific Forums Telescope Specific Forums

  Forum Stats Last Post Info

Celestron NexStar

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

Forum moderators: junomike, pastortim
  • 13948 topics
  • 169764 replies
ROI value of Evo Edge HD 8... - last post by WyattDavis

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: Erik Bakker, lylver
  • 1622 topics
  • 17447 replies
How to fix the Q3.5 lens ca... - last post by BCNGreyCat

Meade Computerized Telescopes

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

  • 9118 topics
  • 79337 replies
Meade ETX125  wanting to up... - last post by Out1rider

Toggle Speciality Forums Speciality Forums

  Forum Stats Last Post Info

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: moabyte, orlyandico, Rocket Ron
  • 341 topics
  • 7350 replies
NEAIC 2019 - 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: junomike, moabyte, The Ardent
  • 3990 topics
  • 41931 replies
Sky & Telescope subscri... - last post by obrazell

Astronomy Clubs and Star Parties

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

  • 3010 topics
  • 82314 replies
Easy meals for star parties - last post by sg6

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: ChrisMoses, moabyte, rgsalinger
  • 6835 topics
  • 59853 replies
Stellarmate cable connectio... - last post by Kevin Ross

EAA Observation and Equipment - Remember when you show your work, to label your images and include integration time

Electronically Assisted Astronomy (EAA) is the use of an analog or 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.

Forum moderators: Sean Cunneen, star drop, Starman27
  • 6777 topics
  • 100398 replies
Small refractor and Barlow... - last post by Biggen

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
  • 4999 topics
  • 75512 replies
Getting out of a black hole... - 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: darklighteditor, Jeff Struve
  • 1114 topics
  • 10250 replies
Newbie needs "Meteorite... - last post by steelguy49

Toggle Other Other

  Forum Stats Last Post Info

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: lylver, Rocket Ron, Starman27
  • 1460 topics
  • 22045 replies
A bloody mess... - last post by Microscopy

Toggle CN Feedback and Vendor Announcements CN Feedback and Vendor Announcements

  Forum Stats Last Post Info

Vendor and Group Announcements

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

  • 5067 topics
  • 38031 replies
Great News : APM 85 mm... - last post by Pinac

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.

Recent Topics

  • 8980179 Total Posts
  • 117103 Total Members
  • rszostak Newest Member
  • 3336 Most Online

Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics