View allAll Photos Tagged Celestron
More background at: www.ccdware.com/products/pempro/
andeq-mod.sourceforge.net/ppindex.html
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Why not making the drive with no (tiny) periodic error in the first place. I know of several ways.
1- www.astro-physics.com/products/mounts/3600gto/precision-e... strange, I thought of this two days ago!
2- ASA Direct Drive Mount www.astrosysteme.at/eng/mounts_faq.html#q1 and
www.themcdonalds.net/~themcdo/richard/index.php?title=Ast...
3- Direct drive, needs better link(http://www.altazinitiative.org/Word%20Documents/Portable%20CDK%20Alt-Az%20Telescope.pdf).
4- Edhiker auxiliary RA drive, being adapted to CGEM (very small error, low cost, proprietary)
5- www.optcorp.com/product.aspx?pid=10308 Chronos
First light with a new lunar planetary imager. Had to re-learn some acquisition and stacking techniques as it's been years since I've shot with similar gear.
Crab Nebula
Exposure Details
Lens Celestron Nexstar 6SE
Focal Length 1500mm
Focal Ratio f/10
Mount Alt Az fitted with wedge
Camera Nikon D5300 (unmodified)
Exposure ISO1600,53x30sec
(total exposure 26.5min)
Calibration 40 darks, 40 flats, 40 bias
Date 7th November 2021
Location Southampton, UK
Sky Bortle 5
Celestron CPC Deluxe 1100 HD
Altair Hypercam 174 Mono
X-Cel 2.0 Barlow
ZWO Filterwheel - IR742nm Longpass Filter
Celestron C8 with f6.3 focal reducer. Canon XSI modified & peltier cooled, Astronomik CLS filter. Deep sky stacker, Photoshop CS2, Astronomy Tools
Celestron Nexstar 130 Slt
Canon Eos 10D
DeepSkyStacker
Photoshop
Iso 1600
20sec exposures
Total exposure 11min 29sec.
Celestron 11 f/20
Kendrick Photographic Solar filter (ND3.5) Full Aperture
Cemax Barlow 2x
DMK31
Astronomik filter green
After an hour of trying to find the brightest star in the sky I finally set the sights of my new telescope on Jupiter, complete with stripes, spots and four moons. So, excited!!
Celestron C8 SCT
CG-5 mount
2.5x barlow
IR filter
Microsoft LifeCam HD5001
Processed with PIPP, AS!2, RG6, and GIMP
Not quite full moon, shot with a Celestron C90 telescope. Focus was iffy, so the image is a bit softer than I would like.
ngc 6357
Telescòpio: celestron 130 slt(130mm/f5) modificado
Montagem: celestron slt altazimutal computadorizada
Câmera: Canon sl1 modificada com filtro astrodon ad40 clear
Baader MkIII coma corretor
Filtro astronomik cls ccd eos clip
Deep sky stacker: calibração e integração dos frames
Processamento: photoshop cs2, astronomy tools
Exposição total: 80 minutos
17/04/2015 + 14/06/2015
serra negra são paulo
This mirror was cleaned circa 1996 when the scope was sent to Celestron to replace of clean the corrector. I believe they replaced the corrector all together. Since then humidity in the tropics has created mould spiders on the mirror. Water marks from a poor cleaning last week using distilled water and a few drops of windex type solution remain on the corrector.
Celestron Omni XLT 120mm refractor on Orion Sirius with Daystar Quark (Ha filter), on concrete pier, solar sunspot imaging.
Tonight I set up in the other terrace. Much cozier, and darker skies towards the West.
The first thing I saw, during twilight, was the Pleiades setting behind tree tops. Really cool view. I have to figure out how to photograph things like that. Maybe fixing my D40 and using a negative Barlow...
Celestron CGE-1100
SBIG ST-8300c
54 subs @ 50sec (45 min exposure)
50 darks
50 bias
50 flats
Stacked in Nebulosity
Processed in Pixinsight & Photoshop