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).
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Pinned
Links of interest and the "Best of Cats & Casses"Started by Jason B , 24 Jul 2008 |
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Disappointed with C11 views last nightStarted by SkyETC , 25 Nov 2020 |
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Talk me into or out of the Takahashi MewlonStarted by rkelley8493 , 23 Nov 2020 |
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Celestron 9.25 Edge Collimation/Focus IssuesStarted by The Cat , Yesterday, 10:04 PM |
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C11 w/ Modified 3" TPO Crayford FocuserStarted by MarMax , Yesterday, 04:10 PM |
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Does Anyone Own and use the Meade 12" Schimdt Camera w/film From The 1990's?Started by RalphMeisterTigerMan , Yesterday, 01:03 AM |
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WHAT IS MIRROR SHIFTStarted by smiles233 , 22 Nov 2020 |
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8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)Started by bec , Yesterday, 12:22 AM |
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My take on GSO Ritchey-Chrétien collimationStarted by TinySpeck , 04 Aug 2020 |
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RASA 36's "Extended spectral range"Started by coenie777 , 24 Nov 2020 |
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Mewlon 180 autofocus questionsStarted by Oyaji , 24 Nov 2020 |
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4" MaksStarted by BillP , 24 Nov 2020 |
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What are my options - Large Aperture - Long Focal Length - Focal Ratio less than F/7Started by reddog1972 , 25 Nov 2020 |
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Mewlon 180b focuser not moving mirror?Started by alvin58 , 24 Oct 2020 |
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Wide field eyepiece for Mewlon 210Started by btschumy , 19 Nov 2020 |
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Canon 2x teleconverterStarted by Steve C. , Yesterday, 03:06 PM |
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ETX90 secondary baffle questionStarted by fcathell , 10 Apr 2018 |
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Fighting collimation with Celestron C11Started by Steve Thacker , 25 Nov 2020 |
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C5 Spotter and Focal ReducerStarted by Ouranos , 24 Nov 2020 |
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Ice on the primary in an sct? What to do?Started by Benni123456 , 23 Nov 2020 |
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My SkyWatcher 190 MN - Maksutov - NewtonianStarted by sonny486 , 14 Oct 2020 |
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Questions about my "new" C8 UltimaStarted by jesco_t , 24 Nov 2020 |
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Opinion on Vixen VC200L vs GSO 8" f/8 AstrographStarted by steven_usa , 14 Nov 2020 |
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what is the Backfocus for Meade Series 4000 f/6.3 FR/FFStarted by friolator , 24 Nov 2020 |
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Meade LX65 6" f/12Started by SuperSirLink , 24 Nov 2020 |
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Need Help with initial C8 collimationStarted by 1939Dodge , 23 Nov 2020 |
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Change out the OTA's- CPC1100- for a Edge HD 11 SCTStarted by Toddeo , 22 Nov 2020 |
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Why a “Minimum Useful Magnification” spec for a Mak-Cass?Started by Dr Barry , 17 Nov 2020  equipment, eyepieces, Maksutov
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The life of a mirror coatingStarted by ETX2112 , 22 Nov 2020 cassegrain, catadioptric and 3 more...
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Starizona LF reducer for visualStarted by Justin Fuller , 24 Nov 2020 |
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How does a "larger" CO reduce contrast?Started by dfoster356 , 23 Oct 2020 |
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CPC800 CollimationStarted by aeBry , 23 Nov 2020 |
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Question about focusing too far "In"?Started by George P Dunham , 22 Nov 2020 |
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TEC 7 Mak First LightStarted by ryderc1 , 13 Dec 2013 |
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Just got a 10" LX200 GPS - Spider Web QuestionStarted by GlassQueen , 22 Nov 2020 |
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10" Meade SC Mounting HelpStarted by Bartlebee , 21 Nov 2020 |
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Celestron Evolution 8 vs 8HD vs 9.25 strictly visual useStarted by Sctom , 11 Nov 2020 catadioptric, SCT, Celestron
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Completely cord free C11 Edge HD DeluxeStarted by Neptune , 26 Apr 2020 |
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Let's see your Maksutov Setup!Started by dfoster356 , 20 Aug 2020 |
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Intes Micro Alter 6 (how can it be collimated?)Started by HoO-Germany , 16 Nov 2020 |
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Good years for a C8 XLTStarted by gspeed , 26 Sep 2020 |
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Does anyone else hate the "go to" function on their computerized scope?Started by Craven , 14 Oct 2020 |
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CollimateStarted by Herchel , 04 Nov 2020 |
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Explore Scientific FirstLight 100mm F14 Mak And EQ3 MountStarted by eros312 , 25 May 2018 |
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EdgeHD 8 Vent Fans - Tempest vs HomemadeStarted by Midnight Dan , 18 Aug 2018 |
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Smith-Newtonian Collimation infoStarted by TopQ , 20 Nov 2020 |
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Companion scope for an 8" SCTStarted by cchristopher , 03 Nov 2020 |
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Anyone using an Optec Lepus .62 with Edge 11?Started by brian32672 , 16 Nov 2020 |
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Celestron Service--Wow!Started by k5xs , 09 Nov 2020 |
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RC8 Spacers and Backfocus?Started by andythilo , 16 Nov 2020 |
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