Orion AllSky 52187 User manual
OrionTelescopes.com
Customer Support (800)676-1343
E-mail: [email protected]
Corporate Offices (831) 763-7000
89 Hangar Way, Watsonville, CA 95076
Providing Exceptional Consumer Optical Products Since 1975
Orion®AllSky™Lens Centering
#52187 AllSky, #52191 AllSky II
Required Tools
• AllSkyTamperProofAllenKey
• SmallAllenKey
• MediumsizePhilipsHeadScrewdriver
• SmallsizePhilipsHeadScrewdriver
• ElectricalTape
Warning: Disconnect all external cables (Video, Power
and Serial cable) from AllSky unit before proceeding
Step 1 – Removal of Dome Bubble
ToremoveDomeBubbleusetheAllSkyTamperProofAllen
keytounscrewthefourvandal-proofscrewsonthetopofthe
StarShootAllSkyCamera(SASC).Becarefulnottohitthe
acrylicdomewiththeallenkey,screwsorotherhardobjects.
AlsobecarefulnottolosethenonstandardTamper-proof
allenkey.
Carefullyliftthedomecoverdirectlyupwardsfromthebase
andplaceinasafelocation.Becarefulnottotouchthelens
toavoidhavingtocleanit.(Cleaningsuppliessoldseparately
byOrion.)
Figure 1. AllSkyunitwithdomebubbleremoved.
Step 2 – Removal of the RS-232 Circuit Board
IfmodelisAllSkyVersionI(nocomputercontrol)proceedto
step3.IfmodelisAllSkyVersionII(withcomputercontrol)
removethetwoscrewsandwashersholdingthesmallcircuit
boardinplace(Figure 2).
Figure 2. RS-232CircuitBoard.
Step 3 – Removal of the Camera Bracket
from Base
UsingaPhilipsheadscrewdriverunscrewthefourscrewsthat
attachthecamerabrackettothebaseunitinordertogain
accesstothecamera(Figure 3).
Figure 3. Camerabracketscrews.
IN483Rev.A01/13
INSTRUCTION MANUAL
2
Step 4 – Removal of the Fan power wires
Unscrewthetwoscrewsonthegreenblockonthelargercir-
cuitboardinordertothenremovetheredandblackwires
(Figure 4).
Useelectricaltapetocovereachofthebarewires.Thiswill
preventashortcircuitifthewirestoucheachotherandprevent
damagetothecameraifthewirestouchthecamerawhenthe
powerisconnectedlater.
Figure 4. Fanpowerwires.
Step 5 – Removal of the Fan from Camera Bracket
Unscrewthescrewsholdingthefantothecamerabracket
(Figure 5).
Figure 5. FanScrews
Step 6 – Removal of the Camera from
Camera Bracket
Unscrewthefourscrews(twooneachside)thatholdthecam-
eratothecamerabracket(Figure 6).Thecameracannowbe
removedfromthecamerabracket.Becarefulnottopullonany
ofthewiring.
Figure 6. Camerascrewsholdingcameraonto
camerabracket.
Step 7 – Centering the Lens
Nowthatthecameraisremovedfromthebracket,turnthe
cameraupsidedowntoviewthefourcircuit boardscrews
(Figure 7)andalsotothesidetoviewthe3smallallenkey
screwsholdingthelensbrassringinplace(Figure8).
Figure 7. CameraCircuitboardscrews.
Figure 8. CameraBrasslensringallenkeyscrews.
WARNING: A steady hand is required for the next step.
It is advisable to place electrical tape to the back of the
circuit board everywhere except where the four screws
are located. This will prevent damage to the camera
should the screwdriver slip off the screws causing the
screwdriver to touch the circuit board when power is
turned on as this would short circuit the camera and
cause damage to sensitive components. Do not place
the camera on conductive surfaces.
WARNING: Also make sure that the red and black fan
wires have also been covered with electrical tape to
avoid short circuit as noted in Step 4.
Loosenthe3allenkeyscrewsholdingthebrasslensholder
ring(Figure 8).Loosenthefourscrewsonthebackofthe
circuitboard(Figure 7).
Nowholdthecameraonthesidetoavoidtouchingthecircuit
boardoranyofthecomponents.Pluginthevideocableand
thenthepowertonowseethevideooutputonscreen.Adjust
thefocallengthandfocusofthecamerainordertodisplaya
fullcircularimageonscreen(Figure 9).
Step 8 – Centering the lens
Bycarefullymovingthecircuitboarditcanbeseenonscreen
thattheimagewillalsomove.Adjustthepositionofthecircuit
boardsothattheonscreenimageisattheclosestpointto
3
thecenter.Nowcarefullytightenthefourcameracircuitboard
screwsbutbeingverycarefulnottotouchthecircuitboard
withthescrewdriverasnotedinthewarningatStep7.Once
theimagehasbeencenteredandthescrewstightenedpro-
ceedtotightenthe3allenkeyscrewsthatholdthebrasslens
holderringinplace.Thisshouldbedoneevenlywithallscrews
topreventpushingfromonesideandcausinglenstobeoff
centeragain.
TheexamplesshowninFigure 9hasthecameraplacedon
topofabrightimageonamobilephonescreenandalsouses
theDeepSpaceVideoCameraIIComputercontroltoplace
Crosshairsontopoftheimage.Thisprogramisincludedon
CDwiththeAllSKyIIcomputercontrolsoftware.
ForusersoftheAllSkyIyoucanmanuallyaddcrosshairsto
aidincenteringthelensbyselectingandadjustingtheMASK
optioninthemenu.Uptofourrectangularmaskscanbeposi-
tionedandsizedaccordinglytoproduceacrosshair.
Figure 9. a) Imageoffcenter,b) adjustedimage
Step 9 – Re-Installation of Camera to
Camera Bracket
WARNING: Unplug power and video cable before
proceeding.
Nowthatthelensiscenteredthecameracannowbeplaced
backontothecamerabracketusingthefoursmallscrews
(Figure 6).
Step 10 – Re-Installation of the Fan to
Camera Bracket
Re-Attachthefanbackontothecamerabracketusingthefan
screws(Figure 5).
Step 11 – Re-Installation of the Fan Power Wires
Re-Attachthefanwires backontothegreen blockonthe
largercircuitboard.Paycloseattentiontotheplacementof
eachcoloredwireforcorrectpolarity(Black=Negative,Red=
Positive)SeeFigure 4fordetails.
Step 12 – Re-Installation of Camera Bracket
to Base
Usethefourscrewstore-attachcamerabracketbackonto
base(Figure 3).
WARNING: Since the heater becomes hot to the touch
in cold climates, care must be taken to ensure that the
internal wires do not come into contact with the heater
to avoid accidental melting and damage to internal
wires. Wires should be held down with the original cable
fastener (Figure 10) and the lens cable wrapped around
the camera to keep it away from the heater.
Figure 10. CableFastener.
Step 13 – Re-Installation of the RS-232
Circuit Board
For AllSky II units check that the thicker camera cable is
wrappedbehindthelargercircuitboardandnotfreetomove
nearheater.Aftercheckingthatallwireshavebeensecured
awayfromtheheaterthesmallcircuitboardcannowbereat-
tachedusingthetwosmallwashersandscrews(Figure 2).
Step 14 – Re-Installation of the Dome Bubble
Carefullylineupthegrooveontheinsideofthedomecover
withthenotchonthebaseandgentlyallowthecovertodrop
intoplace.Thedomecovershouldnowbeseatedevenlyand
allfourscrewslinedupreadyforinstallation.
Usingtheallenkey,gentlytighteneachscrewuntilasmallbit
ofresistanceisfelt,thenmoveontothenextscrew.Repeatfor
allscrews.Nexttighteneachscrewmorefirmlyandevenlyto
helpensureaweatherproofseal.
a) b)
Orion Telescopes & Binoculars
89 Hangar Way, Watsonville CA 95076
Customer Support Help Line (800) 676-1343 • Day or Evening
©Copyright2013OrionTelescopes&Binoculars
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