ISS-TRACKING with Emmanuel Rietsch tracking system                2015

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2015

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Beautiful ISS pass in BW/ Mount in AltAz mode ( all sky from WSW to ENE 70° culmination) - Wed April 8, 2015

Weather conditions were perfect but seeing really bad with heavy turbulence, Sun at -15°, sky clear, ISS really bright, timing of pass late enough to finalize centering all the optics and focus on low Venus !

There were 2 missed passes the days before mainly because of clouds at West, then after the ISS goes very fast and catching becomes difficult.
Moreover I was blocked by other mounts around this one ... and also forgot to align / use the Telrad !!
Telrad is the best to catch the ISS !
Nothing was moved from yesterday so I was ready 30 min in advance !

ISS aiming :
ISS northern pass !
To catch the ISS I was waiting while knowing where it would appear as a small moving star. Used the paddle. Catch Ok at first trial.

ISS Tracking :
DMK41GigE, Exp 0.01s Gain 0 !!, 15fps N&B / AD not checked. Foc: 180mm (FS60, 355 x 0.5) with reducer.
tracking was just fine until disappearance behind my roof ... not far from North, really to early :(
From the garden we (with David) could follow the ISS pass for at least 2 min more ...
Portable PC Vista 2 Cores x64

ISS acquisition :
ASI 174MM capture on powerfull desktop PC (I7 950 @ 4gHz, Win7x64, 18GB RAM) with USB3 disk and USB3 active cable (5m)
Before pass base focus on Venus.
The Edge C8 was equipped with a 2x Meade APO barlow (resulting FL = 4m).
FireCapture 100fps, BW mode, 8 bits, Align-box & Cutout 668x484, Gain up to 355, 0.001s exposure, recording videos :
started at horizon 22:07TL in SER for 600s but aborted after ISS no more visible (10 GB final).
No IRCut filter used !
ISS focus adjusted with motorized focus (2" JMI)
Use of RegiStax5 CG mode (256x256 align area to small for export) and VirtualDub as usual...
Below, accelerated movie from registration and stack of 50 original frames for 1 final frame in AS!23 (70% good kept) :
Gif convertion with WonderFox Video to GIF Converter

                 Video : XVID       

Interesting ISS pass in BW/ Mount in AltAz mode ( from WNW to ENE 47.5° culmination) - Sun April 12, 2015

Weather conditions were good, seeing rather Ok, timing of pass late enough to finalize centering all the optics and focus on low Venus !

ISS aiming :
ISS northern pass !
To catch the ISS I was waiting while knowing where it would appear as a small moving star. Used the paddle. Catch Ok at first trial.

ISS Tracking :
DMK41GigE, Exp 0.01s Gain 0 !!, 15fps N&B / AD not checked. Foc: 180mm (FS60, 355 x 0.5) with reducer.
tracking was just fine until disappearance behind my roof ...
Portable PC Vista 2 Cores x64

ISS acquisition :
ASI 174MM capture on powerfull desktop PC (I7 950 @ 4gHz, Win7x64, 18GB RAM) with USB3 disk and USB3 active cable (5m)
Before pass base focus on Venus.
The Edge C8 was equipped with a 2x Meade APO barlow (resulting FL = 4m).
I used an orange R21 filter to enhance the solar panels ...
FireCapture 100fps, BW mode, 8 bits, Align-box & Cutout 756x728, Gain up to 383, 0.0023s exposure, recording videos :
started at horizon 22:07TL in extended AVI for 600s but aborted after ISS no more visible (10 GB final).
No IRCut filter used !
ISS focus adjusted with motorized focus (2" JMI)
Use of AS!2 who did a good job and VirtualDub as usual...
Below, accelerated movie from registration and stack of 100 original frames for 1 final frame in AS!23 (95% good kept) :
Gif convertion with WonderFox Video to GIF Converter

                 

Video : XVID       
Venus captured just before with same configuration but with also IRpass 720 nm filter :
FireCapture v2.4 Settings
------------------------------------

Camera=ZWO ASI174MM
FocalLength=4000 mm
Filename=ISS_194105.avi
Date=120415
Start(UT)=194105.642
Mid(UT)=194246.116
End(UT)=194426.591
Duration=200.949s
LT=UT
Frames captured=20056
File type=AVI
Extended AVI mode=true
Compressed AVI=false
Bit depth=8bit
ROI=756x528
ROI(Offset)=0x0
FPS (avg.)=99
Shutter=1.000ms
Gain=383
Brightness=1
Gamma=50 (off)
SoftwareGain=10 (off)
HighSpeed=off
USBTraffic=60
Limit=600 Seconds

    

 

Very bright ISS pass in BW/ Mount in AltAz mode ( from WNW to ESE 82.4° culmination) - Sun April 15, 2015

Heavens-Above :


Calsky :

Weather conditions were good, seeing poor, timing of pass late enough to finalize centering all the optics and focus on low Venus !

ISS aiming :
ISS northern pass !
To catch the ISS I was waiting while knowing where it would appear as a small faint moving star. Used the paddle. Catch Ok at first trial.

ISS Tracking :
DMK41GigE, Exp 0.01s Gain 600 !!, 15fps N&B / AD not checked. Foc: 180mm (FS60, 355 x 0.5) with reducer.
tracking was fine until after culmination. Maybe the mount was not thighten enough for the end ...
Portable PC Vista 2 Cores x64

ISS acquisition :
ASI 174MM capture on powerfull desktop PC (I7 950 @ 4gHz, Win7x64, 18GB RAM) with USB3 disk and USB3 active cable (5m)
Before pass base focus on Venus.
The Edge C8 was equipped with a 2x Meade APO barlow (resulting FL = 4m).
I used an orange R21 filter to enhance the solar panels ...
FireCapture Extended AVI, 100fps max, BW mode, 8 bits, Align-box & Cutout 1508x904, Gain up to 380, 0.0015s exposure, recording videos :
started at horizon 22:11TL in extended AVI for 600s aborted late after ISS no more visible (29.9 GB final).
No IRCut filter used !
ISS focus adjusted with motorized focus (2" JMI)
Use of R5, R6, AS!2 and VirtualDub as usual...
Below, accelerated movie from registration and stack of 100 original frames for 1 final frame in RegiStax :
Gif convertion with WonderFox Video to GIF Converter

                 

Video : XVID

FireCapture v2.4 Settings
------------------------------------
Mid(UT)=201345.316
Duration=329.062s
LT=UT
Frames captured=445
File type=AVI
Extended AVI mode=true
Compressed AVI=false
Bit depth=8bit
ROI=1508x904
FPS (avg.)=1
Shutter=1.000ms
Gain=400
Gamma=50 (off)
USBTraffic=60

  SEEING TEST on Venus :

    

Very low ISS pass in BW/ Mount in AltAz mode ( from WNW to ESE 21° culmination) - Sat April 18, 2015

Heavens-Above :


Calsky :

Weather conditions were good, seeing very poor, timing of pass late enough to finalize centering all the optics and focus on low Venus !

ISS aiming :
ISS southern pass (does not change anything in Alt-Az mode for Videos Sky) !
To catch the ISS I was waiting while knowing where it would appear as a small faint moving star. Used the paddle. Catch Ok at first trial.

ISS Tracking :
DMK41GigE, Exp 0.01s Gain 900 !!, 15fps N&B / AD not checked. Foc: 180mm (FS60, 355 x 0.5) with reducer.
Tracking was fine. Second half of the pass was obstructed by my LX200.
Portable PC Vista 2 Cores x64

ISS acquisition :
ASI 174MM capture on powerfull desktop PC (I7 950 @ 4gHz, Win7x64, 18GB RAM) with USB3 disk and USB3 active cable (5m)
Before pass base focus on Venus.
The Edge C8 was equipped with a 2x Meade APO barlow (resulting FL = 4m).
No orange R21 filter used ...
FireCapture Extended AVI, 100fps max, BW mode, 8 bits, Align-box & Cutout 1508x904, Gain up to from start 400 to end 270, 0.003s exposure, recording videos :
started at horizon 22:44TL in extended AVI for 600s aborted late after ISS no more visible (15.3 GB final).
No IRCut filter used !
ISS focus adjusted with motorized focus (2" JMI)

Processing :
VirtualDub : selection of frames with ISS, saving as segmented AVIs of 100 frames.
AS!2 in little planet mode, (50% kept) batch registration,
RegiStax5 registration (size 256) of the *conv*.PNG
VirtualDub creation of AVI...
Gif convertion with WonderFox Video to GIF Converter
Below, accelerated movie from registration and stack of 100 original frames for 1 final frame in RegiStax :
The ISS is ...very far away !!

                 

Video : XVID

FireCapture v2.4 Settings
------------------------------------
Scope=Fluo102/900
Camera=ZWO ASI174MM
Filter=L
Profile=ISS
Duration=170s
KEPT : 28s !
LT=UT
Frames captured=12098
File type=AVI
Extended AVI mode=true
Bit depth=8bit
ROI(Cutout)=1508x904
FPS (avg.)=70
Shutter=1.534ms
Gain=102
Brightness=1
HighSpeed=off
USBTraffic=60
Limit=600 Seconds

    

Middle height ISS pass in BW/ Mount in AltAz mode ( from WNW to SSE 34.5° culmination) - Sunday April 19, 2015
The SpaceX Dragon6 is docked !

Heavens-Above :


Calsky :

Weather conditions were good, seeing correct, timing of pass late enough to finalize centering all the optics and focus on Sirius !

ISS aiming :
ISS southern pass (does not change anything in Alt-Az mode for Videos Sky) !
To catch the ISS I was waiting while knowing where it would appear as a small faint moving star (low at West). Used the paddle. Catch Ok at first trial.

ISS Tracking :
DMK41GigE, Exp 0.01s Gain 800 !!, 15fps N&B / AD not checked. Foc: 180mm (FS60, 355 x 0.5) with reducer.
Tracking was Ok except at end.
Portable PC Vista 2 Cores x64

ISS acquisition :
ASI 174MM capture on powerfull desktop PC (I7 950 @ 4gHz, Win7x64, 18GB RAM) with USB3 disk and USB3 active cable (5m)
Before pass base focus on Venus.
The Edge C8 was equipped with a 2x Meade APO barlow (resulting FL = 4m).
Orange R21 filter was used.
FireCapture Extended AVI, 100fps max, BW mode, 8 bits, Align-box & Cutout 800x580, Gain 400, 0.002s exposure, recording videos :
started at horizon 21:49:02TL in extended AVI for 600s aborted late after ISS no more visible (14.4 GB final).
No IRCut filter used !
ISS focus not adjusted during pass (as low)

Processing :
VirtualDub : selection of frames with ISS, save as LAGS.
RegiStax5 registration (size 256) mode CG. Save as AVI alignement area only.
VirtualDub saving as segmented AVIs of 100 frames.
AS!2 in little planet mode, (85% kept) batch registration,
VirtualDub creation of final AVI
Gif convertion with WonderFox Video to GIF Converter
Below, accelerated movie from registration and stack of 100 original frames for 1 final frame in RegiStax :

The SpaceX Dragon6 is docked !

                 

ISS 3D view with multivision
                                        
   

Video :

Best -> XVID

Pass -> XVID

  

 

FireCapture v2.4 Settings
-------

Camera=ZWO ASI174MM
Filename=ISS_194902.avi
Date=190415
Start(UT)=194902.467
End(UT)=195456.228
Duration=353.761s
LT=UT
Frames captured=35305
Extended AVI mode=true
Bit depth=8bit
ROI=800x550
FPS (avg.)=99
Shutter=2.000ms
Gain=400


    

Very high ISS pass in BW/ Mount in AltAz mode ( from WNW to ESE 87.9° culmination) - Sunday June 07, 2015

Heavens-Above :

Calsky :

Weather conditions were very nice, seeing correct, timing of pass late enough to finalize centering all the optics and focus on Jupiter !

ISS aiming :
ISS southern pass (AD inverted /Alt-Az mode for Videos Sky) !
To catch the ISS I was waiting while knowing where it would appear as a small faint moving star (low at West). Used the paddle. Catch Ok at first trial.

ISS Tracking :
DMK41GigE, Exp 0.01s Gain 600, 15fps N&B / AD checked. Foc: 180mm (FS60, 355 x 0.5) with reducer.
Tracking was Ok except at end.
Portable PC Vista 2 Cores x64

ISS acquisition :
ASI 174MM capture on powerfull desktop PC (I7 950 @ 4gHz, Win7x64, 18GB RAM) with USB3 disk and USB3 active cable (5m)
Before pass base focus on Jupiter.
The Edge C8 was equipped with a 2x Meade APO barlow (resulting FL = 4m).
Orange R21 filter + IRCut Baader were used.
FireCapture SER, 54 fps Average, BW mode, 8 bits, Auto Align, Gain 400, 0.005s decreasing exposure, recording videos 1936x1216 on RAID0 disk :
started low for 600s, aborted late after ISS no more visible (46GB on final).
ISS focus adjusted during pass with motofocus ...

Processing :
Frame range selection in R5, aligning 3 times with 256 square, saving as LAGS AVI
VirtualDub : selection of parts.
RegiStax6 final registration.
VirtualDub creation of final complete AVI (right click on image to download)
Gif convertion with WonderFox Video to GIF Converter
At right, accelerated movie from registration (click on it for all frame AVI) and stack of 5 original frames for 1 final frame :