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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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Recruiting is open for new... - last post by WOBentley

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: Dan Crowson, The Ardent
  • 2,485 topics
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Cosmic Challenge: Seyfert... - last post by Redbetter

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
  • 262 topics
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Recruiting is open for new... - last post by WOBentley

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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: Jond105, spereira, Starman27
  • 30,683 topics
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Unhappy with the View –� 10... - last post by SeattleScott

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, Jond105, spereira, Uwe Pilz
  • 12,117 topics
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Set your alarms, Comet Neow... - last post by brentwood

Outreach

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, Starman27
  • 1,045 topics
  • 14,715 replies
Detroit/Ann Arbor MI Introd... - last post by JJack

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, MJB87, osbourne one-nil
  • 1,903 topics
  • 23,416 replies
Light Pollution- How far aw... - last post by Wallache

Toggle Equipment Discussions Equipment Discussions

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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: cuzimthedad, Sean Cunneen, Starman81
  • 21,090 topics
  • 345,793 replies
17.5" BinoScope Build - last post by C3P0

Binoculars

"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: Erik Bakker, Jawaid I. Abbasi, Uwe Pilz
  • 17,285 topics
  • 259,292 replies
Orion 8x25ED monocular - last post by russell23

Binoviewers

Binoviewer discussion forum

Forum moderators: Jawaid I. Abbasi, junomike, nmoushon
  • 5,059 topics
  • 53,421 replies
Binoviewer or Binoculars - last post by CapnRon

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).

  • 19,048 topics
  • 288,347 replies
Starizona “Night Owl” for E... - last post by CapnRon

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 mid-1990's - refractors, reflectors, and early SCT's. Discussing all aspects of restoring, collecting, and observing with older scopes. Discussion of 25-year-old scopes still in production is OK but please don't post newer examples of those, except for actual side-by-side comparisons to demonstrate detail changes.

  • 14,848 topics
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Craigslist, eBay and other... - last post by Augustus

Equipment

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: Jeff Struve, rgsalinger, Stelios
  • 30,840 topics
  • 353,918 replies
Canadian Telescopes CT 152... - last post by dara_t

Eyepieces

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

Forum moderators: Cotts, FirstSight, Jaimo!, Wisconsin Steve
  • 32,271 topics
  • 580,645 replies
Planetary Filter Shootout - last post by ScottNeith

Mounts

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: alphatripleplus, Jaimo!, MJB87, star drop
  • 33,505 topics
  • 384,069 replies
Warning: CGEM/CGEM DX Encod... - last post by Endymion

Night Vision Astronomy

Night Vision Astronomy is astronomy performed with analog or digital devices capable of producing a real time view of celestial objects. This forum allows discussion of the equipment, its configuration and use, observing reports made using the devices, techniques for image capture, and the sharing of images the observer made to record their observations.

Forum moderators: Jond105, star drop, Starman27
  • 1,122 topics
  • 16,478 replies
ALL NV Users - last post by M44

Observatories

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.

Forum moderators: Dan Crowson, MJB87, nmoushon
  • 5,963 topics
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ROR Observatory Roofing - last post by t-ara-fan

Reflectors

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

  • 22,190 topics
  • 367,686 replies
16" LightBridge Repair... - last post by kfiscus

Refractors

A forum for discussing refractor telescopes.

Forum moderators: FirstSight, junomike, rgsalinger, Uwe Pilz
  • 29,108 topics
  • 627,832 replies
Sky-Watcher Evostar 150ED D... - last post by SteveG

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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: johnsoda, nmoushon, spereira, Stelios
  • 50,084 topics
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Crosshatch pattern on SII s... - last post by Wyvernp

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: CharlieB, Erik Bakker, Uwe Pilz
  • 2,516 topics
  • 17,513 replies
Focal Length & 35mm Ima... - last post by TxStars

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: johnsoda, rgsalinger, Starman27
  • 43,338 topics
  • 353,951 replies
Comet NEOWISE Video - last post by Jerry Lodriguss

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: Dan Crowson, johnsoda, Stelios, TimN
  • 46,318 topics
  • 392,388 replies
Filter Size for ASI1600 - last post by imtl

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: nmoushon, Sean Cunneen, Starman81, TimN
  • 39,836 topics
  • 274,532 replies
Saturn and a change of shif... - last post by Tulloch

Sketching

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

Forum moderators: frank5817, Jeff Struve, Uwe Pilz
  • 11,908 topics
  • 113,322 replies
Comet NEOWISE. Naked Eye an... - last post by sunnyday

Electronically Assisted Astronomy (EAA)

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.

  • 7,015 topics
  • 102,631 replies
Getting started with full EAA - last post by Jeff Lee

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Solar System Observing

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

  • 7,910 topics
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C/2020 F3 (NEOWISE) - last post by WoodyEnd

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, gustavo_sanchez, Starman81
  • 6,012 topics
  • 48,223 replies
Lunar images from Dunedin N... - last post by jahnpahwa

Deep Sky Observing

A dark place to discuss deep sky observing and observations

Forum moderators: CharlieB, cuzimthedad, Jond105, spereira
  • 8,928 topics
  • 105,069 replies
Dobson says you need 16... - last post by Glory Eye

Double Star Observing

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

Forum moderators: CharlieB, Jond105, Uwe Pilz
  • 3,443 topics
  • 36,493 replies
KUI 79 AB, short period pair - last post by fred1871

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: gustavo_sanchez, Jaimo!, junomike
  • 31,017 topics
  • 243,717 replies
What is your favorite solar... - last post by briansalomon1

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: Cotts, rgsalinger, star drop
  • 1,504 topics
  • 10,890 replies
Comet NEOWISE high resoluti... - last post by Octans

Toggle Telescope Specific Forums Telescope Specific Forums

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Celestron Computerized Telescopes

Discussion forum for Celestron computerized telescopes and mounts using NexStar and StarSense technologies, including CPC, CPC Deluxe HD, NexStar SE/SLT/Evolution, etc.

Forum moderators: Cotts, junomike, MJB87
  • 15,268 topics
  • 184,222 replies
Welcome to Our New Moderato... - last post by sanbai

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: Erik Bakker, johnsoda, Wisconsin Steve
  • 1,988 topics
  • 22,753 replies
Diopter ring "play"... - last post by medpeds

Meade Computerized Telescopes

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

Forum moderators: osbourne one-nil, Starman27, Starman81, TimN
  • 9,756 topics
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Dead ETX125...No Power - last post by StanO.

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Astronomy Clubs, Star Parties, Shows, & Conferences

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

Forum moderators: Jawaid I. Abbasi, spereira, Umasscrew39
  • 3,592 topics
  • 93,916 replies
Okie-Tex 2020 registration... - last post by Cotts

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, spereira, The Ardent
  • 4,412 topics
  • 46,303 replies
Sky and Telescope July 2020 - last post by edhuff

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: alphatripleplus, rgsalinger
  • 7,753 topics
  • 66,547 replies
AstroSurface : software for... - last post by GSBass

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: cuzimthedad, Dan Crowson, FirstSight
  • 5,382 topics
  • 80,765 replies
Astronomers Spot Strange Sp... - last post by CygnuS

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: Jeff Struve, TimN
  • 1,174 topics
  • 10,678 replies
Bought a book - last post by lee14

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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: Starman27
  • 1,541 topics
  • 22,605 replies
Colourful Xylophyta Stem in... - last post by HydrogenAlpha

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Vendor and Group Announcements

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

Forum moderators: CharlieB, osbourne one-nil, rgsalinger
  • 5,703 topics
  • 43,167 replies
World's first 200mm F/4... - last post by sharpstar

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