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Cloudy Nights Announcements

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

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Happy Labor Day! - last post by Scott in NC

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: Dan Crowson, The Ardent
  • 2,590 topics
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The Skies of October, 2022 - last post by cookman

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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October 2022 Celestial Cale... - last post by Dave Mitsky

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Beginners Forum (No astrophotography)

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 whichever imaging forum is most appropriate to their subject.

Forum moderators: DeepSky Di, GUS.K, nicknacknock, WadeH237
  • 34,014 topics
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4 inch Celestron Newtonian... - last post by Ionthesky

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: AnakChan, chemman, csa/montana, spereira, Uwe Pilz
  • 13,330 topics
  • 262,277 replies
Camping and observing from... - last post by Daveatvt01


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: Astrola72, CltFlyboy, mdowns
  • 1,227 topics
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Northeastern US (Maine) Dis... - last post by Greyhaven

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, Napp, osbourne one-nil
  • 2,346 topics
  • 30,725 replies
Maybe a "quick" lan... - 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.

Forum moderators: chemman, cuzimthedad, Jared, Sean Cunneen
  • 24,025 topics
  • 400,209 replies
First-Time Mirror-Making -... - last post by Noobulosity


"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

  • 19,946 topics
  • 316,994 replies
Holding steady porro vs roof - last post by sevenofnine


Binoviewer discussion forum

Forum moderators: nikm, noisejammer, spazmore
  • 5,628 topics
  • 59,863 replies
Inexpensive Binoviewer Expe... - last post by YeloSub

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).

  • 22,260 topics
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$2500 SCT and More Bundle - last post by Stopforths

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.

Forum moderators: CltFlyboy, Jared, Sean Cunneen, mdowns
  • 16,678 topics
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Cave-Astrola 8" f/7 Mod... - last post by Dave Cook

Equipment (No astrophotography)

A forum for discussion of visual and general astronomy equipment and accessories; a default location if you your topic does not fit into any of the more specialized equipment forums such as Mounts, Eyepieces, Refractors, etc.

Topics related to astronomy cameras and related imaging equipment should be posted in whichever imaging forum is most appropriate to that topic. These can be found in the Astrophotography and Sketching category.

Forum moderators: Jared, mewmartigan, MJB87, Wildetelescope
  • 38,804 topics
  • 435,258 replies
New TEC Turret initial impr... - last post by rexowner


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

Forum moderators: FirstSight, noisejammer, therealdmt, Uwe Pilz
  • 36,337 topics
  • 684,564 replies
Type 4 Naglers - last post by ChuppsterXLM


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.

  • 40,946 topics
  • 476,742 replies
CEM40 not slewing to target - last post by rlillard

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: DeepSky Di, imtl, MJB87, nicknacknock
  • 1,818 topics
  • 25,925 replies
NV Census - last post by Gschnettler


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: Astrola72, Dan Crowson, MJB87, nikm
  • 6,962 topics
  • 130,854 replies
Pier engineering - last post by speedster


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

  • 25,069 topics
  • 421,561 replies
Lasers will mess up your co... - last post by unimatrix0


A forum for discussing refractor telescopes.

  • 33,329 topics
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A $45 50mm F/5 RFT - last post by Polyphemos

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Major & Minor Planetary Imaging

This forum is intended for discussion related to the imaging and processing of anything in the solar system other than our sun and our moon. Solar imaging discussion should occur in the target-oriented “Solar Observing & Imaging” forum. Posts about imaging our moon should go in the target-oriented “Lunar Observing & Imaging” forum. Aesthetic Deep Sky Object Imaging should generally be discussed in the Beginning or Experienced DSO Imaging Fora.

  • 47,720 topics
  • 327,694 replies
Recommend a Mars Map - last post by RodgerDodger008

Beginning Deep Sky Imaging

This forum is intended for discussion related to beginning Deep Sky Object (DSO) imaging using any type of camera or mount. If you are interested in specialized or more sophisticated DSO techniques or are interested in imaging non-DSO targets please start your topic in a more appropriate forum.

  • 68,278 topics
  • 696,188 replies
Smartphone Astrophotography - last post by Dave Mitsky

Experienced Deep Sky Imaging

This forum is intended for discussion about practice & theory related to prime-focus Deep Sky Object (DSO) imaging through a telescope using any type of camera. If you are a beginner or interested in more specialized types of imaging, please use the appropriate forum.

  • 56,402 topics
  • 491,994 replies
NGC1333 - 40 Hours from Bor... - last post by Dan Watt

DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging

This forum is for more advanced discussion about accessories, techniques or approaches to astrophotography with general purpose (not astronomy dedicated) digital cameras. Topics include (but are not limited to): advanced afocal approaches, minimalist & camping rigs, nightscape photography, accessories & modifications. Discussions involving prime focus imaging with general purpose cameras can certainly occur here, but are also welcome in the Beginning or Experienced DSO Imaging Fora.

Forum moderators: FrostByte, Napp, spazmore, TimN
  • 48,316 topics
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My Ghetto Electronic Focuse... - last post by unimatrix0

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: mewmartigan, Uwe Pilz
  • 2,607 topics
  • 18,200 replies
Expiration date on photogra... - last post by kurtenstein

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.

  • 8,778 topics
  • 136,711 replies
SE Mount For EAA - last post by wykbbb


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

Forum moderators: frank5817, mdowns, Uwe Pilz
  • 13,948 topics
  • 128,519 replies
Sketching template for Jupiter - last post by bphaneuf

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Solar System Observing

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

Forum moderators: GUS.K, gustavo_sanchez, Napp
  • 9,040 topics
  • 93,312 replies
Filter For Jupiter - last post by Dave Mitsky

Lunar Observing and Imaging

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: DeepSky Di, frank5817, gustavo_sanchez
  • 8,620 topics
  • 63,403 replies
Small bore challenge: the M... - last post by Dave Mitsky

Deep Sky Observing

A dark place to discuss deep sky observing and observations

Forum moderators: BrentKnight, cuzimthedad, GUS.K, imtl, spereira
  • 10,019 topics
  • 122,831 replies
Nearby NGC891 galaxies - last post by sgottlieb

Double Star Observing

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

Forum moderators: AnakChan, imtl, Uwe Pilz
  • 4,150 topics
  • 43,707 replies
My Favourite Doubledouble - last post by Dave Mitsky

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: GUS.K, gustavo_sanchez, Jared, Napp
  • 36,875 topics
  • 285,398 replies
Solar Scope for Full-frame... - last post by mmalik

Scientific Amateur Astronomy

A forum where amateurs can discuss their contributions to fields such as spectroscopy, photometry, astrometry, interferometry, and radio astronomy. Astronomical objects of interest may include variable and carbon stars, pulsars, supernovae, AGNs, exoplanets, asteroids, and short-lived energetic phenomena such as GRBs. The presentation of quantitative observational measurements, techniques used for acquisition, and relevant ensuing discussion are especially welcome.

Forum moderators: GUS.K, mewmartigan, RedLionNJ
  • 1,920 topics
  • 14,662 replies
Be shell star spectra at lo... - last post by mwr

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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: chemman, GUS.K, nicknacknock, Wildetelescope
  • 17,753 topics
  • 212,421 replies
Celestron SCT dew heater ring - last post by iam1ru12

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: spereira
  • 2,410 topics
  • 29,088 replies
New Questar Owner - last post by Psereiko

Meade Computerized Telescopes

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

  • 11,050 topics
  • 94,529 replies
12" LX200 classic ortho... - last post by ih8usrnames

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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: Dan Crowson, Napp, spereira
  • 3,996 topics
  • 100,675 replies
2022 Staunton River Star Pa... - last post by iam1ru12

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: BrentKnight, imtl, spereira, The Ardent
  • 5,293 topics
  • 56,750 replies
Milky Way from the vantage... - last post by Daniel Mounsey

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, Napp, WadeH237
  • 10,116 topics
  • 87,149 replies
Mele Quieter3C - can it run... - last post by airscottdenning

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.

  • 6,358 topics
  • 94,710 replies
There may be fundamental fl... - 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: jerahian, mdowns, TimN
  • 1,282 topics
  • 11,347 replies
Likely Meteor Crater Discov... - last post by PeteDCard81

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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: j.gardavsky, Sean Cunneen, sbradley07
  • 1,667 topics
  • 23,496 replies
Why so Little Love for Amat... - last post by EJN

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Vendor and Group Announcements

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

Forum moderators: CltFlyboy, GUS.K, osbourne one-nil
  • 6,541 topics
  • 50,027 replies
Open Source Project - Live-... - last post by artik

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