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This wide range of different schemes allows  

Officina Stellare

 to satisfy very different customers,

for   very   different   purposes,   even   non-astronomical,   such   as   satellite   tracking,   laser
communication, defense applications, and more.

We can customize telescopes for diameter, focal length, size of the focal
plane, spectral response, and many other parameters, to fit any need, from
the amateur astronomer to the aerospace & defense industry, to the space
agencies. 

That's   why  we   offer   so   many  different   optical   designs.   We   do   not   offer
compromises to our customer. 

We always offer the best solution. And if

we don't have 

your

 solution on the shelf, probably we can design and

build it!

And why do  our telescopes have focal planes that are much  

 

 

bigger

 

 

  than

today's sensors? Because we want you to be happy about your instrument
even 10-20 years from now, when you will use your 

next

 CCD camera, and

the one after that...

* Only the frontal lens (meniscus) of RH "Veloce" telescopes is made in Germany under Officina Stellare specifications.

6

Содержание UltraCRC

Страница 1: ...RC UltraCRC RiDK RiLa RiFast RH Veloce Telescopes All models USER MANUAL Rev 2 0 March 2016 download the latest version of this manual from www officinastellare com...

Страница 2: ...permanent blindness may result Always cover your telescope in daytime or keep the dome closed Never leave the uncovered telescope unattended in daytime Do not use Officina Stellare telescopes even to...

Страница 3: ...structure telescopes may be dangerous during daytime because the open structure allows the light to enter also laterally Always use the provided black elastic cover Officina Stellare is not responsib...

Страница 4: ...piece of optics mirror or lens is 100 designed and figured in Italy in our optical shop in Occhiobello near Ferrara and in our assembly plant in Sarcedo near Vicenza We appreciate your feedback Shoul...

Страница 5: ...e Telescope are Ritchey Chr tien but can t be done with low i e fast f ratios The size of the aberration free focal plane is smaller than in other schemes and collimation is really critical The RH Vel...

Страница 6: ...pace defense industry to the space agencies That s why we offer so many different optical designs We do not offer compromises to our customer We always offer the best solution And if we don t have you...

Страница 7: ...elescope In this example it is a RC 600 with ATC 02C controller embedded on the scope optional primary mirror shutter optional hand paddle but no adapters or accessories Please read carefully your pac...

Страница 8: ...ts is ok to lift or handle the scope use at least TWO of this parts You can also use the carbon tubes of the truss structure if needed yellow arrows if you use at the same time also one strong part Av...

Страница 9: ...heaters unless you see some mist on the mirrors If you turn on the heaters try to keep them at the lowest temperature that avoid the mist The intensity of the LED is proportional to the power of each...

Страница 10: ...priority 4 1 Use of the ATC 02 with the computer To control the ATC 02 from the computer you will use our ATC Remote software provided with your ATC 02 The software is quite simple its interface is c...

Страница 11: ...oling fans is proportional to the temperature change that the telescope suffers from day to night The higher the temperature change the longer you have to run fans to reach equilibrium General informa...

Страница 12: ...via a male male RJ 45 cable The cable fits also the PC port on the ATC 02 but there is no risk of damage if you make a mistake If you plug the hand pad cable in the PC connector or vice versa the han...

Страница 13: ...mirror temperatures in Celsius degrees and if each heater is ON or OFF at the moment 3rd row Set x x Set x x Set temperature for the two mirrors Third screen 1st row Hum xx x Temp x x C Humidity in a...

Страница 14: ...function MOVE SECONDARY MIRROR Use and to move the mirror S to change step E goes back FIND OPTIMAL Pressing E the mirror will reach the optimal position set during manufacturing BACKSLASH ENABLE Pres...

Страница 15: ...era that shows images quickly we suggest at least one image per second a webcam or a DLSR with LiveView is a perfect choice Leave your telescope reach the ambient temperature before to proceed with co...

Страница 16: ...hadow is always in the middle the human eye is a very good device to control if two circles are concentric Always keep the image in the center of the field of view using the telescope mount Focus from...

Страница 17: ...using cup springs in big scopes so there is no need when you tight one screw to loose the other two or vice versa When you have set the tip tilt position of the primary mirror bring the internal lock...

Страница 18: ...t is a good idea to label the three collimation A B and C and memorize the direction of the movement given by each screw Obviously the star will move in the opposite direction along a line when you tu...

Страница 19: ...aranteed by the sturdy primary mirror cell and back plate structure and cannot be changed It is fixed by construction VERY IMPORTANT There is not an unique solution for collimation There are families...

Страница 20: ...better a real star during night The whole process will require two to three hours The good news is that after this procedure you will not touch the telescope collimation again for a long time even ye...

Страница 21: ...e that your scope can always perform within specifications If you change M1M2 outside the design range severe degradation of optical performance may occur Let s see how to check and change if needed M...

Страница 22: ...ounterclockwise all by the same amount As a matter of fact you are changing focus moving the primary mirror Remember that each complete turn of the screws will move the mirror 1 mm and this will move...

Страница 23: ...cuser and its flange if present and install the conical flange provided with the collimation kit If the telescope design requires an adapter between the back plate and the conical flange this adapter...

Страница 24: ...mirror will come into focus 2 In this image it is clear the black dot and the ring are not concentric Please note that this image spot and circles does not change even if you shake the Tak Try that T...

Страница 25: ...ndition that is quite far from real world situations and this will emphasize even the smallest mechanical flexure The collimation eyepiece Cheshire eyepiece The collimation eyepiece is a cheap around...

Страница 26: ...gs in big scopes so there is no need when you tight one screw to loose the other two or vice versa When you have set the tip tilt position of the primary mirror bring the internal locking bolt again i...

Страница 27: ...ered holes in the flange even if only three screw lock it to the backplate This move may sound strange but it is in practice impossible to build a perfect laser i e with the laser beam exactly on the...

Страница 28: ...a 90 prism You MUST use a star a planet cannot be used since it is not a point like source of light For the same reason there is a minimal distance between the scope and the artificial star 3 Look at...

Страница 29: ...ou may also measure the single images using specific software or a cheap ruler working directly on the computer screen If the image is too bright or too dim to see clearly the shadow of the secondary...

Страница 30: ...ew of the PRIMARY mirror that moves the image UP When you bring it back in the center of the view using the movements of the mount of your telescope it will look more centered Repeat the procedure unt...

Страница 31: ...umn That method is not sensitive enough to reach perfect collimation Perfect collimation requires the Airy figure Perfect collimation without the Airy figure may happen but it is simply luck Remember...

Страница 32: ...our telescope must be well collimated and in thermal equilibrium with the air Then follow this procedure 1 Take a 30 60 sec Image of an area of the sky with a good number of stars Milky Way is perfect...

Страница 33: ...In the above sequence you see the extraction of the hood and the primary locking screw located under the scope Also one of the two gray screws is visible in the rightmost image 7 1 The light shield In...

Страница 34: ...Veloce This is important for optimal performance of the optics Please note that the extended light shield is also important for the correct acquisition of flat frames that must be taken with the light...

Страница 35: ...Veloce has an extraordinary f 3 focal ratio it is possible that the standard 2 connector produces some vignetting even on chips that are significantly smaller than 2 on the diagonal This happens beca...

Страница 36: ...collimation If this is the case work on all screws instead of rotate more than full turn only one screw This will preserve the distance between mirrors that has a quite tight tolerance Moreover if yo...

Страница 37: ...h very gently Remember to keep the brush clean Store it its box or better a small reclosable plastic bag If the the brush has an embedded pump like the one in the photo at right blow many times for an...

Страница 38: ...onger action read further and proceed AT YOUR OWN RISK Damages due to improper cleaning are not covered by warranty To wash your mirrors have handy the following equipment Distilled de ionized water b...

Страница 39: ...k Then you blast it with water The mirrors of Officina Stellare telescopes are too big to operate this way and we suggest not to remove the mirror from the cell So we will describe the procedure to wa...

Страница 40: ...reflexes when imaging with a bright star in the filed If you have to act really energetically like for a bird poo yes it happens keep the dirt wet while rubbing with wet cotton gently Grit is less abr...

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