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Cloudy Nights Announcements

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

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A place to report stolen as... - last post by nicknacknock

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: Dan Crowson, The Ardent
  • 2,499 topics
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New Moon Telescopes 20”F/3.... - last post by ilan_shapira

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 2020 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: Jond105, spereira, Starman27
  • 31,430 topics
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Too Many Stars! - last post by jlcop

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
  • 12,359 topics
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Luxury Viewing Locations -... - last post by DSOGabe


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, mdowns, Starman27
  • 1,072 topics
  • 15,450 replies
Moving to Phoenix AZ area a... - last post by ScopeJunkie

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
  • 1,954 topics
  • 24,426 replies
Satellites, Satellites and... - last post by Brahma7

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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, rgsalinger, Sean Cunneen
  • 21,525 topics
  • 354,078 replies
Encoders for 800mm project - 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

Forum moderators: Erik Bakker, Jawaid I. Abbasi, Uwe Pilz
  • 17,691 topics
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can you use APM 100-45 ED A... - last post by drt3d


Binoviewer discussion forum

Forum moderators: Jawaid I. Abbasi, junomike, nmoushon
  • 5,139 topics
  • 54,453 replies
No Baader MK II available,... - last post by Guydive

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).

  • 19,544 topics
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Why Are So Many SCT Owners... - last post by Andrew Brown

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.

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1.25" eyepieces in a 76... - last post by Pete W


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. You may get better answers to specialized questions in other fora (astrophotography, mounts, etc).

Forum moderators: imtl, MJB87, rgsalinger, Stelios
  • 32,046 topics
  • 365,360 replies
Looking for a new scope! (A... - last post by MellonLake


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

Forum moderators: Cotts, FirstSight, Jaimo!, Wisconsin Steve
  • 32,983 topics
  • 595,685 replies
What is it with Televue eye... - last post by alnitak22


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
  • 34,665 topics
  • 396,980 replies
CEM70 has arrived - last post by string

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
  • 1,240 topics
  • 18,129 replies
What is the largest Exit Pu... - last post by gatorengineer


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
  • 6,114 topics
  • 116,846 replies
Please help a newbie design... - last post by Ihtegla Sar


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

  • 22,672 topics
  • 375,437 replies
My new StarStructure/Lockwo... - last post by Mike Lockwood


A forum for discussing refractor telescopes.

Forum moderators: FirstSight, junomike, rgsalinger, Uwe Pilz
  • 29,703 topics
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Takitis! - last post by StarAlert

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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.

Forum moderators: nmoushon, Sean Cunneen, spereira, TimN
  • 41,948 topics
  • 287,998 replies
Last Mars of the season? - last post by JohnBear

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.

Forum moderators: imtl, nmoushon, Stelios, TimN
  • 52,332 topics
  • 531,399 replies
Best design for astrophotog... - last post by elNabo

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.

Forum moderators: Dan Crowson, Stelios, TimN
  • 47,783 topics
  • 405,564 replies
The (Dedicated/Cooled) CMOS... - last post by gatsbyiv

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: rgsalinger, Starman27, TimN
  • 44,540 topics
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Imaging with full moon and... - last post by mxpwr

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: CharlieB, Erik Bakker, Uwe Pilz
  • 2,534 topics
  • 17,651 replies
Eyepiece Projection Film Ph... - last post by j.gardavsky

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.

Forum moderators: alphatripleplus, star drop, Starman27
  • 7,215 topics
  • 105,432 replies
ASTAP Plate Solver - last post by descott12


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

Forum moderators: frank5817, mdowns, Uwe Pilz
  • 12,207 topics
  • 115,472 replies
Mars 2020 10 27 - last post by sunnyday

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Solar System Observing

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

  • 8,195 topics
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The last time around for so... - last post by Rick Runcie

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: frank5817, gustavo_sanchez, Umasscrew39
  • 6,114 topics
  • 49,158 replies
Plato ghostly twin, can you... - last post by ed_turco

Deep Sky Observing

A dark place to discuss deep sky observing and observations

Forum moderators: CharlieB, cuzimthedad, Jond105, spereira
  • 9,036 topics
  • 106,936 replies
Proper use of SQM-L and or SQM - last post by PEterW

Double Star Observing

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

Forum moderators: CharlieB, Jond105, Uwe Pilz
  • 3,547 topics
  • 37,294 replies
3 Espin's & 1 Struv... - last post by flt158

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: gustavo_sanchez, Jaimo!, junomike
  • 31,458 topics
  • 247,892 replies
Blocking filter - how it wo... - last post by Gregory Gross

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
  • 1,559 topics
  • 11,378 replies
Which camera is better for... - last post by robin_astro

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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
  • 15,802 topics
  • 189,748 replies
Travelling with Celestron 8... - last post by robglinka

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: Erik Bakker, Wisconsin Steve
  • 2,083 topics
  • 23,859 replies
Questars on Ebay - last post by TerryWood

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, TimN
  • 9,985 topics
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DIY Autostar #507 cable - last post by michael8554

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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
  • 3,635 topics
  • 94,664 replies
Cherry Springs  9/11 – 9/20 - last post by peleuba

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
  • 4,529 topics
  • 47,673 replies
Comparison of print atlases - last post by brentknight

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, imtl, rgsalinger
  • 8,010 topics
  • 68,648 replies
SkyPortal w/ S10 Android an... - last post by sbradley07

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
  • 5,468 topics
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A biomarker on Venus? - last post by InterStellarGuy

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: mdowns, TimN
  • 1,195 topics
  • 10,827 replies
Top selling company - last post by ShaulaB

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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: Sean Cunneen, Starman27
  • 1,560 topics
  • 22,766 replies
Microscope Cameras vs Astro... - last post by Arthur NY

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: CharlieB, osbourne one-nil, rgsalinger
  • 5,794 topics
  • 44,190 replies
New APM MS 6 x 60 and 8 x 3... - last post by APM M.Ludes

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