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For night sky observing without H-alpha unit: 

 
Please note that for night sky observing the additionally available conversion kit LS80MTBP&F is obligatory 
needed (item number 0551330). 
 
Loosen the 3 knurled screws between the red H-Alpha Unit and the telescope tube. Now you can remove 
the H-Alpha unit together with focuser from the telescope. 
 
 
 
 
 
 
 
 
 
 
 
 
Now the new focuser of the conversion kit can be attached to the telescope. Detailed instructions for 
installing are delivered with the conversion kit. 
 
 
 
 
 
 
 
 
 
 
 
 
After conversion, the LS80MT can be used as a full doublet ED APO for normal night sky observation, with 
80mm aperture and 560mm focal length. 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Inside the transport case you will find protection caps for the H-Alpha 
unit. Now attach these protection caps to the H-Alpha unit to protect it 
from dust and damage. 
 
 
 
 
 
 
In this version without H-alpha unit the telescope can also be used for observing the sun in white light 
together with a Herschel-wedge, or together with a LUNT Ca-K module for observing the sun in the Ca-K 
wavelength: 
 

Summary of Contents for LS80MT

Page 1: ... our customer service with any questions or concerns regarding the safe use of your instrument Never look at the Sun with your naked eye or with a telescope that is not specifically designed to do so Permanent and irreversible eye damage may result Never leave the solar telescope unsupervised while pointed at the Sun People who are not familiar with the correct operating procedures of the system m...

Page 2: ...he complete 80mm of the telescope s aperture is used and the focal length is 560mm The etalon with the air pressure tuning provides a bandwidth of 0 7 Angstrom Install the LS80MT telescope with the dovetail rail on an astronomical mount Pull the blocking filter diagonal slide tube out about 50mm Put the focus tube at about 50 of travel Place a 25mm eyepiece in the focus end so you have the largest...

Page 3: ...ng from 150m below sea level to about 3 000m Or around 0 1 Bar there is no risk of explosion We are dealing with only a fraction of 1 atmosphere When not in use we recommend that you release the pressure by simply backing off the black handle from the cylinder body If the system unthreads completely simply thread it back on 1 turn It is not necessary to re set the system every time it is used Re s...

Page 4: ...telescope Detailed instructions for installing are delivered with the conversion kit After conversion the LS80MT can be used as a full doublet ED APO for normal night sky observation with 80mm aperture and 560mm focal length Inside the transport case you will find protection caps for the H Alpha unit Now attach these protection caps to the H Alpha unit to protect it from dust and damage In this ve...

Page 5: ...e features on the surface of the Sun At high resolution they take on a 3D effect due to the cooler aspect of the filament contrasted against the bright hotter Sun They are actually prominences being viewed against the surface Spicules A spicule is a dynamic jet of about 500km diameter on the Sun It moves upwards at about 20 km s from the photosphere Father Angelo Secchi of the Vatican Observatory ...

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