- Celestron PowerSeeker 70AZ Telescope ($10 Scope)
- Orion EQ-26 Mount Review
- Review of Explore Scientific First Light 8
- Rebuilding my CGE Pro
- COUNTING SUNSPOTS WITH A $10 OPTICAL TUBE ASSEMBLY
- Hubble Optics 14 inch Dobsonian - Part 2: The SiTech GoTo system
- iStar Optical’s Phantom FCL 140-6.5 review
- Who’s Afraid of a Phantom: Istar Phantom 140mm F/6.5, that is?
- SHARPSTAR 94EDPH APOCHROMATIC REFRACTOR
- My Losmandy G11T review
- FIELD TEST: THE NOH CT-20 ALT-AZ MOUNT
- SkyTee-2 Alt/Az Mount Review
- SharpStar Askar ACL200 200-mm f/4 astrographic telephoto lens
- A review of the Unistellar EVscope
- Astrotrac 360 tracking platform – first impression
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.
How to . . . Archives
Broke Back Solutions #2: How to make big heavy scopes easy to move
Apr 19 2012 11:50 AM | tomharri in How to . . .
Here is my solution for a one trip, everything at once, no heavy lifting, already set-up to go, scope.
Author name: Tom HarrisonRead story → 0 comments
How to Calculate the Focal Length of an SCT
Mar 19 2010 06:33 AM | EdZ in How to . . .
This question comes up fairly often, particularly when people are interested in knowing the actual magnification they are using while viewing with an SCT. It has come up in
Author name: Ed ZarenskiRead story → 0 comments
Project Box - Battery Holder for Celestron CG5 Controller
Dec 22 2009 09:25 AM | Guest in How to . . .
The battery holder that comes with the telescope mount is a light plastic bag which contains a four-battery holder and some wire that are only lightly attached. I do not like this contraption so I redesigned my own
Author name: Rick LawsRead story → 0 comments
How to Build an Economical "Double-Stack" Finder
Dec 17 2009 09:49 AM | Zamboni in How to . . .
As many astronomers know, no single type of finderscope can be considered the end-all and be-all of sighting equipment. Many observers have multiple sighting devices on a single telescope. One of the most common combinations is the
Author name: Tristan SchwartzRead story → 0 comments
Convert Any Flashlight to a Night Vision Ready Red
Dec 17 2009 11:56 AM | Guest in How to . . .
As many astronomy gazers might discover, dark adaption is the utmost priority in viewing the night sky. And, unless you're
Author name: Jordan McCulloughRead story → 0 comments
Connecting RoboFocus to CCD Soft
Dec 08 2009 07:24 AM | Awesomelenny in How to . . .
I have had the frustrations in connecting RoboFocus with CCD Soft in the setup. Even though CCD Soft does have RoboFocuser in its pull-down menu, the user like me is confronted with a nagging error message in CCD Soft saying it Failed to connect to Focuser! After I got this to work, I documented it.
Author name: Leonard MarekRead story → 0 comments
Passive Tool Collimation and the Newtonian
Aug 25 2009 04:45 AM | Starman1 in How to . . .
Collimation is the alignment of the optical parts of a telescope. Though lining up the secondary under the focuser is essential for uniform illumination of the field of view, there are only two alignments in collimation: the focuser axis (done by adjusting the secondary mirror), and the Primary Axis (done by adjusting the primary mirror).
Author name: Don PensackRead story → 0 comments
Modifying a Mirror Cell to Support a Royce Conical Newtonian Mirror
Aug 06 2009 07:57 AM | deSitter in How to . . .
The Royce conical mirrors represent a great advance in Newtonian mirror technology
Author name: Danny LunsfordRead story → 0 comments
How-to Make an Alt-az Pipe Mount
Feb 20 2009 06:29 AM | mathteacher in How to . . .
Why make an alt-az pipe mount?
Author name: Ging-Li WangRead story → 0 comments
Modification of the Meade LXD55/75 Polar Finder
Feb 12 2009 12:15 AM | Guest in How to . . .
Modification of Meade Polar Finder
Author name: Norman LloydRead story → 0 comments
How to dehumidify a Telescope
Aug 09 2008 01:59 AM | Guest in How to . . .
How To Remove Humidity from the INSIDE of your SCT
Author name: Dan KuchtaRead story → 1 comments
Complete Collimation of the Meade Schmidt Newtonian
May 09 2008 02:26 AM | Guest in How to . . .
Other than seeing conditions, nothing will improve the optical performance of a telescope than accurate collimation - the act of ensuring that all optical and mechanical elements of a telescope are aligned as perfectly as possible
Author name: Peter KennettRead story → 0 comments
Cooling Fan for a 12" Dob
Apr 15 2008 07:47 AM | tannehill in Amateur Telescope Making (ATM)
This describes my installation of a cooling and boundary-layer scrubbing fan on my Bintel 302 mm Dobsonian telescope
Author name: Scott TannehillRead story → 0 comments
How-to Optimize YourSkyView Pro Mount
Dec 07 2007 01:10 AM | David Rosenthal in How to . . .
SkyView Pro German Equatorial Mount (GEM) made by Orion is a nice light weight, portable and stable mount
Author name: David RosenthalRead story → 0 comments
Building a Schiefspiegler
Sep 27 2007 02:15 AM | Bill Cheng in Amateur Telescope Making (ATM)
A Further Improved 4.25 Inch Unobstructed Oblique Reflector
Author name: Bill ChengRead story → 0 comments
Collimation Using a Web Cam
Jul 27 2007 05:35 AM | tannehill in How to . . .
Web Cam-Based Newtonian Collimation using a Barlowed Laser Collimator
Author name: Scott TannehillRead story → 0 comments
Scribbling in the Dark
May 21 2007 02:25 AM | desertstars in How to . . .
Thoughts on How and Why to Record Observations
Author name: Thomas WatsonRead story → 0 comments
How To Build a Portable Astronomy Hutch
Apr 04 2007 02:23 AM | Dennis_Oz in How to . . .
This article describes how I designed and built a portable, collapsible observing hutch
Author name: Dennis SimmonsRead story → 0 comments
Upgrading a C11 to a Carbon Fiber Tube
Mar 24 2007 01:52 AM | JerryWise in How to . . .
I've always liked the look and feel of Carbon Fiber OTAs.
Author name: Jerry WiseRead story → 0 comments
Indoor Artificial Star and Null Test
Mar 20 2007 05:16 AM | Darren Drake in How to . . .
Have you ever received a new prized telescope only to have cloudy skies for what seems to be weeks at a time?
Author name: Darren DrakeRead story → 0 comments
Update on ATM 16" Ultra-compact Dob
Feb 22 2007 03:16 AM | Guest in Amateur Telescope Making (ATM)
Update on My 16" UltraCompact/Ultra-Light Dob
Author name: Craig CombesRead story → 0 comments
Scrubbing the Light Cup's Optical Chimney for Santa
Dec 23 2006 06:58 PM | Ron B[ee] in How to . . .
If you're hesitant, afraid, or paralyzed with fear about clean the objective lens of your refractor, read what Chicken B[ee] has done.
Author name: Ron B[ee]Read story → 0 comments
Oct 31 2006 05:08 AM | Guest in Amateur Telescope Making (ATM)
Most amateurs these days seem to want a goto scope, and those of us who are into ccd imaging all lust after the AP 1200’s and the Paramounts of the world
Author name: Gary McKenzieRead story → 0 comments
Writing For Your Club's Newsletter
Oct 26 2006 06:48 AM | jrcrilly in How to . . .
Like most amateur astronomy organizations, your club probably publishes a newsletter. They are generally used to distribute useful information to the membership
Author name: John CrillyRead story → 0 comments
ATM: My Classical Cassegrain
Sep 26 2006 06:18 AM | Lusty in Amateur Telescope Making (ATM)
The first and last Classical Cassegrain telescope I made was a 12.5-inch f/4 – f/16 system that had a 3.5-inch secondary
Author name: Jeff BeishRead story → 0 comments