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Cloudy Nights Announcements

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

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ATTN - Change in Vendor Rul... - last post by cbwerner

Discussion of CN Articles, Reviews, and Reports

A place to discuss the articles posted on Cloudy Nights

Forum moderators: Dan Crowson, The Ardent
  • 2,527 topics
  • 29,653 replies
The binocular summation factor - last post by PeterDob

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
  • 282 topics
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April 2021 Celestial Calendar - 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
  • 32,395 topics
  • 528,028 replies
The First Week And The Thin... - last post by rexowner

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
  • 12,635 topics
  • 239,530 replies
Interest Dropped Like a Stone - last post by alphatripleplus

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, mdowns
  • 1,097 topics
  • 16,318 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, MJB87, osbourne one-nil
  • 2,053 topics
  • 26,368 replies
Light pollution site accuracy - last post by Inkswitch

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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
  • 22,229 topics
  • 366,766 replies
Making a 9 inch APO triplet - last post by jimegger

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, Uwe Pilz
  • 18,234 topics
  • 274,786 replies
Looking for 60% Astro / 40%... - last post by Spikey131

Binoviewers

Binoviewer discussion forum

Forum moderators: junomike, nmoushon, noisejammer
  • 5,278 topics
  • 56,116 replies
Baader Maxbright II double... - last post by Spikey131

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: gustavo_sanchez, Jaimo!, Umasscrew39
  • 20,237 topics
  • 305,642 replies
imaging experience GSO 6... - last post by jgraham

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: mdowns, Sean Cunneen, Wisconsin Steve
  • 15,574 topics
  • 414,700 replies
Unitron 114 Help - last post by William Whitaker

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

Forum moderators: MJB87, rgsalinger, Stelios
  • 34,175 topics
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ASI183MC-Pro Temperature Co... - last post by Dynan

Eyepieces

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

  • 33,996 topics
  • 621,308 replies
Planetary Eyepieces recomme... - last post by AOHANA

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
  • 36,458 topics
  • 419,811 replies
CEM70 has arrived - last post by wcoastsands

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, MJB87
  • 1,366 topics
  • 19,851 replies
What do think of these specs ? - last post by maxmir

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
  • 6,316 topics
  • 120,353 replies
Planning a ROR build - last post by MJB87

Reflectors

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

  • 23,343 topics
  • 387,733 replies
Time for recoating my 15-in... - last post by Bill Weir

Refractors

A forum for discussing refractor telescopes.

  • 30,715 topics
  • 664,768 replies
Eyepieces for Takahashi 106N - last post by Joe G

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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
  • 43,049 topics
  • 294,443 replies
Parfocal Camera/Eyepiece fo... - last post by matt_astro_tx

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: nmoushon, Stelios, TimN
  • 56,662 topics
  • 573,714 replies
Photoshop Image Stacking - last post by terry59

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
  • 50,149 topics
  • 431,317 replies
Sharpcap Darks vs. Pixinsight - last post by Prudentis

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, TimN
  • 45,674 topics
  • 375,308 replies
Dust In Imaging Train - Nee... - last post by PirateMike

Film Astrophotography

Discussions about astrophotography using film.

Forum moderators: Erik Bakker, Uwe Pilz
  • 2,548 topics
  • 17,765 replies
Halley's comet from 1986 - last post by Erik Bakker

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, Sean Cunneen
  • 7,690 topics
  • 112,492 replies
EAA with a small refractor? - last post by dcweaver

Sketching

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

Forum moderators: frank5817, mdowns, Uwe Pilz
  • 12,696 topics
  • 119,222 replies
Polaris Double star (Alpha... - last post by flt158

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Solar System Observing

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

Forum moderators: gustavo_sanchez, Jaimo!
  • 8,382 topics
  • 86,057 replies
The Great North America Ecl... - last post by ilovecomets

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
  • 6,703 topics
  • 53,652 replies
Old Moon in New Moon's... - last post by gus1989

Deep Sky Observing

A dark place to discuss deep sky observing and observations

Forum moderators: cuzimthedad, Jond105, spereira
  • 9,282 topics
  • 110,862 replies
Is the Virgo Cluster a nake... - last post by MEE

Double Star Observing

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

Forum moderators: Jond105, Uwe Pilz
  • 3,704 topics
  • 38,893 replies
Doubles in Leo over 2 nights - last post by payner

Solar Observing and Imaging

Hot place to discuss solar observing and imaging topics

Forum moderators: gustavo_sanchez, Jaimo!, junomike
  • 32,565 topics
  • 257,788 replies
Very small animation 2021/0... - last post by Don W

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: Cotts, rgsalinger
  • 1,685 topics
  • 12,382 replies
Distributed VLBI Visible As... - last post by pbealo

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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
  • 16,390 topics
  • 197,621 replies
Nexstar + and StarSense Fir... - last post by jcheak

Questar Forum

A forum for discussing Questar and Quantum telescopes

Forum moderators: Erik Bakker, Wisconsin Steve
  • 2,190 topics
  • 25,552 replies
Questars on Ebay and Craigs... - last post by Gregory Gross

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, TimN
  • 10,307 topics
  • 88,376 replies
Balanced RA to the east...... - last post by Peterson Engineering

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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: spereira, Umasscrew39
  • 3,698 topics
  • 95,459 replies
So What is a Star Party? - last post by City Kid

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
  • 4,757 topics
  • 50,030 replies
What`s up with Sky and Tele... - last post by Simcal

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
  • 8,591 topics
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Recommend a robust Laptop - last post by SMigol

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
  • 5,630 topics
  • 85,111 replies
How does the Ingenuity dron... - last post by HouseBuilder328

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
  • 1,226 topics
  • 10,996 replies
Some photos of Gold Basin - last post by Glassthrower

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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
  • 1,596 topics
  • 22,897 replies
Would you use this mouthwash - last post by Tom Stock

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Vendor and Group Announcements

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

Forum moderators: osbourne one-nil, rgsalinger
  • 5,965 topics
  • 45,112 replies
Our Galaxy 2.0 - Cross Plat... - last post by btschumy

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