Fast Newtonians

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	Replies	Views	Last updated
My first six months with the Sharpstar 15028HNT-AL - A trial by fire! Fast Newtonians Sharpstar 15028HNT Collimation Review Mar 4, 2026Alex Nicholas Last post: Alex Nicholas	10	389	10 days ago
Finally figuring out my F2.8 PowerNewt 5 years after buying it. Fast Newtonians Boren-Simon 6" f/2.8 PowerNewt M42 Feb 28, 2026John TuckerFrequent contributorPerfect post Last post: Alex Nicholas	14	328	Mar 1, 2026
Glare/diffraction aberrations from off axis/out of field very bright stars Fast Newtonians Sky-Watcher Quattro 250P / 10-S ZWO ASI2600MC Pro Reflectors +1 Jul 29, 2024Anthony Quintile Last post: Anthony Quintile	11	170	Jul 31, 2024
Bresser Messier NT150S / 750 Fast Newtonians Reflectors Deep Sky Jul 4, 2024Pariah Last post: Dave Bloomsness	5	97	Jul 5, 2024
Aurora Precision EQ Primary Cell Fast Newtonians Reflectors DIY Collimation Jun 16, 2024noon Last post: dpcarriere	13	324	Feb 28, 2026
Internal Reflections? Fast Newtonians Calibration Vignetting Apr 19, 2024Jack Groves Last post: Ferenc Szabo	15	206	Jun 16, 2024
Fast newtonians for remote setup Fast Newtonians Remote Astrophotography Collimation Mar 2, 2024Emilio Frangella Last post: Frédéric Ruciak	2	180	Feb 27, 2026
Threaded Focusers Fast Newtonians Focuser Collimation Mar 18, 2023noon Last post: Jacob Heppell	10	252	Mar 19, 2023
Collimating question /Ocal collimation Fast Newtonians Sky-Watcher Explorer 200PDS Reflectors Collimation +1 Feb 6, 2023Dave B Last post: Dave B	5	276	Feb 7, 2023
Anybody use SharpStar 20032PNT 200mm superfast f/3.2? Fast Newtonians Sharpstar 20032PNT Equipment Reflectors Jan 25, 2023Giancarlo Montico Last post: John Tucker	3	220	Mar 4, 2026
Help on getting round stars with F5 GSO Newt Fast Newtonians Reflectors Coma Jan 24, 2023Coolhandjo Last post: Dale Penkala	42	460	Jan 28, 2023
Dew Solutions for Newtonians Fast Newtonians Celestron RASA 11"Dew Heater Reflectors +1 Oct 8, 2022Alan Brunelle Last post: John Tucker	23	555	Nov 21, 2022
Coma corrector backfocus Fast Newtonians Sky-Watcher F4 Aplanatic Coma Corrector ZWO ASI294MM Reflectors +1 Apr 27, 2022Paul Ecclestone-Brown Last post: Jacob Heppell	6	249	Jul 4, 2022
Backfocus RCC1 Newton 200/800 : test result Fast Newtonians Ritchey-Chrétien Aug 8, 2021Joel85 Last post: Joel85	3	166	Aug 10, 2021
Relationship of primary collimation to tilt and how to fine tune in the dark Fast Newtonians Reflectors Collimation Tilt +1 Dec 2, 2020John TuckerFrequent contributorPerfect post Last post: Jacob Heppell	40	957	Jan 7, 2023
Troubles with flats Fast Newtonians Main Sequence Software Sequence Generator Pro (SGP)Flattener Calibration Apr 17, 2020Firas Haki Last post: Joel85	6	218	Jul 5, 2021
Cygnus Wall work in progress. Looking for critique. Fast Newtonians DSLR First Telescope Jul 23, 2019Steve Bell Last post: Jacob Heppell	1	147	Jul 16, 2022
How fast is fast? Fast Newtonians Jun 2, 2017mikefulb Last post: AnaTa	6	756	Jun 13, 2025
What scope and coma corrector are you using? Fast Newtonians Reflectors Deep Sky May 28, 2017Chris Sullivan Last post: Andrew Murrell	61	2.1k	Feb 27, 2026

Showing 1-19 of 19