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 » Auto-Guiding systems, complete solutions. Ascension telescopes and accessories: 
 » Apochromat ED Triplet Refractors 
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 » Telescopes standard series. Farpoint Astro: 
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Meade StarNavigator 90
Meade StarNavigator 90
£215.00
Meade StarNavigator 90 with DS2000 Generation II mount and Autostar computerized handset.
Opticstar AZ80 GOTO
Opticstar AZ80 GOTO.
£199.00
The Opticstar AZ80 GOTO is one of the easiest to use entry level computerized telescopes...
Meade Stella Wi-Fi Adapter
Meade Stella Wi-Fi Adapter.
£239.00
Stella allows you to wirelessly control your computerised telescope with your smart phone or tablet.
Opticstar XL 82° UWA
Opticstar XL 82° UWA Eyepieces.
£99.00
The Opticstar XL 82° UWA Eyepieces provide the highest optical quality and usability...
Cooled CCD
Opticstar DS-616C XL
£899.00
The Opticstar DS-616C XL uses the Sony ICX413AQ, 6.1 mega pixel colour CCD (1.8").
Complete with power supply unit and software...
Meade LPI-G Colour
Meade LPI-G colour
£229.00
The Meade LP-G Colour video camera for imaging and guiding.
Meade LX200 ACF 8" UHTC
Meade LX200 ACF 8" UHTC.
£2895.00
The Meade LX200 ACF 8 UHTC is a 8" advanced catadioptric with a computerised fork mount.
Ascension 80ED Triplet
Ascension 80ED Triplet
£449.00
The Ascension 80ED Triplet APO from the premium range of
Ascension telescopes. Alumi- nium case and accessories are optional...
Meade ETX80 Observer
Meade ETX80 Observer
£299.00
The new ETX80 Observer telescope is ultra-portable and ideal for astronomy and terrestrial use.
Opticstar Moon Filters
Opticstar 1.25" Moon filters.
£9.95
The Opticstar Moon Filters. 1.25" Moon Filters for reducing the glare of the Moon.
Meade LPI-G Monochrome
Meade LPI-G monochrome
£209.00
The Meade LP-G Monochrome video camera for imaging and guiding.
Sky-Watcher NEQ6 PRO
Sky-Watcher EQ6 PRO mount.
£999.00
NEQ6 PRO (EQ6 PRO) is the extra heavy duty, computerised mount from Sky-Watcher with a load capacity of 25kg.
Opticstar PX-125C
Opticstar PX-125C
£129.00
The Opticstar PX-125C colour video camera for guiding and planetary imaging.
Ascension Accessories
Ascension 2" x2 ED Barlow.
£59.00
The Ascension 2" x2 ED Barlow with special ED glass to greatly reduce chromatic aberrations.
Astronomy News
Heaviest Stars Are Twins
posted: 29th May 2004
Astronomers with the Harvard-Smithsonian Center for Astrophysics have found the heaviest star ever seen - 80 times the mass of our Sun - and it's got a twin. Located 20,000 light-years from Earth, the two massive stars in WR 20a go around each other every 3.7 days. These two stars are just 2 to 3 million years old, and highly unstable. It'll only be a few more million years before they explode, one after the other as supernovas. WR 20a is part of the Westerlund 2 star cluster, which resides in a region of ionized hydrogen left over from the cluster's formation in the constellation Carina. WR 20a contains two hot, young Wolf-Rayet stars-a type of star that is extremely rare and short-lived.
The gigantic twin stars. [Credit:NASA]
Headquartered in Cambridge, Mass., the Harvard-Smithsonian Center for Astrophysics is a joint collaboration between the Smithsonian Astrophysical Observatory and the Harvard College Observatory. CfA scientists, organized into six research divisions, study the origin, evolution and ultimate fate of the universe.

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Opticstar News
DS-616C XL is Astronomy Magazine's Star Product
posted: 30th January 2015
Opticstar DS-616C XL is Astronomy magazine's product of the year.
DS-616C XL is Star Product

The Opticstar DS-616C XL deep-sky CCD camera has earned the annual star product award from Astronomy, the world's best-selling astronomy magazine. Read about it in the September 2013 issue.

Willmann Bell
Books for Astronomy
updated: 28th July 2016
Willman Bell books.
Acclaimed books from Willmann Bell...
more
Opticstar News
Imaging Brochure
updated: 10th February 2014
Opticstar brochure.
Download the Opticstar imaging catalogue here.
more
Articles
Centroid Noise And Precision Photometry
Centroid noise.
Centroiding noise is a random error, or "noise" component...
more
A&M 152mm f/8 Review
"Fantastic Performance" "Beauty of a Ferrari"
updated: 25th March 2009
A&M 152mm f/8 TMB.
Read the latest review about the A&M 152mm f/8 A&M/TMB on Cloudy Nights. According to the review this telescope combines the "beauty of a Ferrari" with "fantastic performance". The review also states that "the manufacturer's claims are valid".
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