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Eratosthenes, Archimedes and Montes Apennius by Paul Margolies

Mounts aligned with Earth's axis for tracking celestial objects.

Showing 1-50 of 459

	Replies	Views	Created
Suggestions please for best budget software to connect my mixed bag of Hardware Sky-Watcher Star Adventurer GTi CMOS Equatorial Mount +7 Richard JonesNew contributor Last post: bigCatAstro	15	188	3 days ago
Need help: NINA meridian flip at wrong time Equatorial Mount Acquisition Meridian Flip +4 Walter Leonhard Schramböck Last post: Jürgen Kaufer	21	150	4 days ago
Automated Polar Alignment System – Work in Progress Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Equatorial Mount Polar Alignment +2 Astrophilos Last post: Astrophilos	62	1.4k	15 days ago
Seeking user experiences with Skywatcher EQ-AL55i pro mount pro mount Equatorial Mount Equipment Buying Advice Fvmuijen	0	29	23 days ago
(Worm Gear) Mount Advice Sky-Watcher EQ5 Pro Sky-Watcher EQ6 Pro Equatorial Mount +1 Derek Vasselin Last post: Derek Vasselin	2	93	25 days ago
Seestar S50 EQ mount advice: ZWO TH10 vs MSM wedge options ZWO Seestar S50 Equatorial Mount Equipment +2 bluespeck Last post: MeldorAstro	3	82	25 days ago
CEM120EC real-world review with actual guiding metrics iOptron CEM120EC Open PHD Guiding Project PHD2 Equatorial Mount +6 Read noise Astrophotography Last post: Rainer Ehlert	27	356	Dec 7, 2025
Is tracking or guiding the most important metric in astro setups? Equatorial Mount BlackStarsAstro Last post: SonnyE	7	158	Dec 7, 2025
Nexstar hand controller firmware update failed, display showing odd squares Equatorial Mount Help Needed Troubleshooting Barry Ziober Last post: bigCatAstro	13	49	Dec 5, 2025
Altitude Axis Clamp on HAE43B‑EC — Needs Extreme Tightening Equatorial Mount Equipment Guiding +3 Tom Utendorf	0	11	Nov 27, 2025
Paramount MYT + Nina + PHD2 guiding issues Equatorial Mount Advanced Steeve BodyIOTD Staff Last post: andrea tasselli	8	185	Nov 27, 2025
PHD2 Settings for iOptron HA:R43EC Mount iOptron HAE43EC Open PHD Guiding Project PHD2 Equatorial Mount +2 Don Norwood Last post: Don Norwood	4	125	Nov 26, 2025
EQstar double motor system won't connect to iPhone with SynScan pro Sky-Watcher SynScan Pro Equatorial Mount Beginner +2 Kees Bijker	0	14	Nov 17, 2025
Guiding Issue Equatorial Mount Advanced Ari Paulechen Junior Last post: Jim Raskett	22	368	Nov 12, 2025
Getting good guiding results with short exposures on ASIAIR setup - But have lots of questions…. Sky-Watcher Star Adventurer ZWO ASI220MM Mini ZWO ASIAIR Plus +7 docgroggy1 Last post: docgroggy1	10	147	Nov 9, 2025
Heavy duty mount for astrophotography Equatorial Mount Equipment Remote Astrophotography +1 Peter Horstink Last post: andrea tasselli	13	423	Oct 23, 2025
10Micron GM1000 mount polling interval slower than NINA expects 10Micron GM1000 HPS Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Equatorial Mount +2 Jerry Gerber Last post: Jerry Gerber	4	182	Oct 19, 2025
Skywatcher experience needed - seeking user feedback and recommendations Equatorial Mount Equipment GoTo +3 Gerhard Geipel Last post: Gerhard Geipel	2	94	Oct 9, 2025
Strain wave drive telescope mount DIY Equatorial Mount Harmonic Mount DIY Igor Korenika Last post: Oscar H.	2	98	Oct 2, 2025
EQ6R-Pro disaster Sky-Watcher EQ6-R Pro ZWO ASIAIR Plus Equatorial Mount +2 John Walsh Last post: John Walsh	22	731	Sep 23, 2025
Can anyone tell me the swing radius of a CEM 120 iOptron CEM120 iOptron CEM120EC Equatorial Mount +1 Read noise Astrophotography Last post: Read noise Astrophotography	13	137	Sep 20, 2025
Request to Borrow a Mount Imagers of Switzerland Equatorial Mount Equipment Help Needed Jure Menart Last post: Jordan Morley	4	228	Sep 16, 2025
Power Supply / Battery Advice for My Astrophotography Setup William Optics Redcat 71 CMOS Equatorial Mount +6 Deniz Üzel Last post: SonnyE	22	655	Sep 2, 2025
Upgrading from Quattro 200CF to 300P: seeking owner experiences and advice Sky-Watcher Quattro 300P iOptron CEM70-NUC Sky-Watcher Quattro Coma Corrector +5 Ivan Last post: Ivan	24	579	Aug 28, 2025
Built an observatory from a dead city tree Equatorial Mount Equipment DIY +3 Read noise Astrophotography Last post: Al Loan	13	306	Aug 22, 2025
CQ350 reliability Sky-Watcher CQ350 Pro iOptron CEM70-NUC Equatorial Mount +1 Brian Boyle Last post: Nick Fritz	43	942	Aug 2, 2025
CQ350 - Home Position Sky-Watcher CQ350 Pro Orion SkyView Pro Equatorial Mount +1 Ilya Last post: Nick Fritz	1	55	Aug 1, 2025
Has anyone succeeded with unguided imaging at 3910 focal length? Celestron EdgeHD 14"Equatorial Mount Peter Goodhew Last post: Jeff Marston	16	641	Jul 22, 2025
Need Help for Fixing The TH10 Fluid Tripod Head? ZWO Seestar S50 Equatorial Mount Troubleshooting Szijártó Áron	0	74	Jul 21, 2025
Dual mount system on an AM3 - help with the mount ZWO AM3 Equipment Equatorial Mount Azhar Rana Last post: AdamJ	13	439	Jul 15, 2025
Do I need a pier extension for a GM1000? 10Micron GM1000 HPS Equatorial Mount Buying Advice Brian Last post: Willem Jan Drijfhout	12	296	Jul 12, 2025
Does Using The leveler And A Wedge For Polar Aligning The Seastar Really Works? ZWO Seestar S50 Harmonic Mount Equatorial Mount Szijártó Áron Last post: Narayan Mukkavilli	2	109	Jul 9, 2025
Anyone have an idea of where I can get large plastic head screws? Equipment Equatorial Mount DIY ScottF Last post: ScottF	10	261	Jul 3, 2025
Which EQ wedge is the most Easiest to use With the Seastar? ZWO Seestar S50 Equatorial Mount Polar Alignment +1 Szijártó Áron Last post: Szijártó Áron	15	367	Jul 2, 2025
az gti in eq mode malfunction Sky-Watcher AZ-GTi Alt-Az Mount Equatorial Mount Nikolaos Bafitis Last post: CaptnCook	7	145	Jul 1, 2025
CEM70 USB 3.0 Upgrade IOptron CEM Equatorial Mount Equipment Ivan Raichev	0	129	Jun 24, 2025
Skywatcher EQ6R Pro Update Sky-Watcher EQ6 Sky-Watcher EQ6-R Pro Equatorial Mount +1 Pete Carpenter Last post: Tom Herbst	1	162	Jun 24, 2025
EQ8R problems with GSS mount driver Green Swamp Software Green Swamp Server Sky-Watcher EQ8-R Pro Equatorial Mount +1 Jandro.rm Last post: Médéric Hébert	9	182	Jun 22, 2025
az gti eq mode advice Sky-Watcher AZ-GTi Equatorial Mount Buying Advice Nikolaos Bafitis Last post: Nikolaos Bafitis	5	126	Jun 20, 2025
Vixen AXJ with encoders or 10Micron GM1000 HPS 10Micron GM1000 HPS Equipment Equatorial Mount +1 Brian Last post: andrea tasselli	7	123	Jun 11, 2025
iOptron Skyhunter and ASIAir support iOptron SkyHunter ZWO ASIAIR Mini GoTo +1 Ajit Sharma Last post: Timo Jarvilehto	12	186	Jun 11, 2025
HAE69 C EC PHD2 Settings iOptron HAE69C EC Open PHD Guiding Project PHD2 Equatorial Mount +1 Bob Rucker Last post: Christoph Paulus	6	202	Jun 11, 2025
Stopping impact on tripod when mounted in equatorial mode on az-eq6 Sky-Watcher Explorer 250PDS Equatorial Mount Troubleshooting Astroplantfish	0	48	Jun 7, 2025
Fornax 55/105 with absolute encoders Fornax 55 Equatorial Mount Buying Advice Stellar Nomads Last post: Lorand Fenyes	3	62	May 31, 2025
How To Setup The Seastar With Skywatcher Wedge For EQ Mode ZWO Seestar S50 Equatorial Mount Polar Alignment Szijártó Áron	0	43	May 31, 2025
iOptron load/noise iOptron CEM26 Astro-Tech AT115EDT Equatorial Mount +1 George Last post: Scott Badger	4	94	May 29, 2025
AM5 Simultaneous Guiding Spikes ZWO AM5 ZWO ASI120MM Mini Equatorial Mount +2 Phil Creed Last post: Brian Puhl	26	709	May 27, 2025
Unintended changes to tracking rate when slewing in PHD2 for calibration Unspecified/unknown company EQMod Open PHD Guiding Project PHD2 Sky-Watcher AZ-EQ6 PRO +2 Himanshu Pandey Last post: Himanshu Pandey	5	101	May 22, 2025
DISCONNECTION WITH IOPTRON COMMANDER iOptron CEM120EC2 Equatorial Mount Troubleshooting +1 Riccardo Civati Last post: AstroDivers	9	161	May 22, 2025
Is it Possible To Use Seastar in EQ mode Without Doing The Numbers? ZWO Seestar S50 Equatorial Mount Polar Alignment Szijártó Áron Last post: Szijártó Áron	16	246	May 10, 2025

Showing 1-50 of 459