Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

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realflow100
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Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#1

Post by realflow100 »

My tracker is this
https://www.amazon.com/gp/product/B000X ... UTF8&psc=1

and I dont quite know what my settings should be

Im in orangeburg south carolina USA and my current settings are this

longi w080d50m08
lati n33d31m37

(I attempted to use a location in my general residence area closer to where im actually living instead of just the middle of my city)

300 minutes behind UT

daylight savings YES

Current Time: 2020 07 18 15:40:52 (I really hate 24 hour time and I cant change it to 12 hour mode. there isnt one on my model)

is there anything that looks out of place? or is my tracker really just that bad?
I absolutely make sure it is 100% as level as possible before aligning to the stars.
It doesnt matter if i do 2 star align or one star align. results about the same. poor tracking accuracy. it drifts horribly
Ive even tried balancing it so it perfectly balanced and not pulling on the shaft in any direction by using some locking pliers as counterweights. No difference!!
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#2

Post by JayTee »

If you are within 15 miles of where your mount thinks it is, that's close enough.

Your mount is only as good as your polar alignment. If you can't get within half a degree (30m) of the NCP then your images will suffer due to the short exposure time you'd be limiting yourself to.

Cheers,
JT
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#3

Post by KathyNS »

My first thought was polar alignment, but I see it's an alt-az mount. So tracking depends on getting your star alignment perfect. Your settings look right. So all that's left is your alignment. Are you sure that you are identifying the alignment stars correctly. Centring on the wrong star would throw it way off. Similarly, not accurately centring it on the star, even the correct star, would throw it off.
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Greenman
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#4

Post by Greenman »

JayTee wrote:
Sat Jul 18, 2020 11:57 pm
If you are within 15 miles of where your mount thinks it is, that's close enough.

Your mount is only as good as your polar alignment. If you can't get within half a degree (30m) of the NCP then your images will suffer due to the short exposure time you'd be limiting yourself to.

Cheers,
JT
Minutes, got it, I thought for a second you meant 30 metres - now that would be hard... :lol:
Cheers,

Tony.

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realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#5

Post by realflow100 »

Its not an EQ mount there is no polar alignment. its alt-azi

And i do make sure i'm aligning to the right star. I make sure its absolutely as dead-center as I can get. but it doesnt matter how perfect I align. it just doesnt care and still wants to drift rapidly to the wrong direction after a few minutes.

its the right stars because I can use goto on any object and its reasonable close to the center of the view at 250mm focal length using 1 second display shutter speed and framerate to see what object im looking at on my camera.
Cant really do more than a few seconds at 250mm focal length. about 5 seconds is the limit where things stay "sharp" but beyond that its a mixed bag. 95% of the time it will be horribly trailed as bad as can be if I do 30 seconds. only occasionally rarely will I get one good sharp stars image at 30 seconds.

Thats how I was able to get near perfect stars of bode's galaxy and cigar galaxy. about 20 images saved out of 35 I got really lucky and it tracked good for those frames.

I also tried putting very subtle drag on the horizontal motor by using a large loosely fitting rubber band around it which makes it track smoother and less jittery. which only slightly helps.

its as if im 10 degrees off or something but i'm absolutely 100% positive im not! I know I have the star aligned as dead center as I can
it doesnt matter if I do 2 star align or 1 star its the same poor tracking behavior either way
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#6

Post by realflow100 »

Anyone? is the sensors gears or motor or internal timer oscillator circuit just off or something??
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Lady Fraktor
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#7

Post by Lady Fraktor »

These mounts have considerable slop in the spur gears and to get reasonable tracking you will need to set the backlash of the mount.
There is a section in your manual telling you how to do this.

It can be done during the day in about 10 minutes.
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#8

Post by realflow100 »

There is no option to set that in the manual. its just not an option.
i never seen anything about it in the manual. its a very old mount. mainly for visual observing only with a tiny feather-light 50mm telescope or something.

http://www.ioptron.com/v/Manuals/8500_Cube-E_manual.pdf

I havent been able to find any kind of "settings" aside from aligning and setting the time and date location ect.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Lady Fraktor
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#9

Post by Lady Fraktor »

No setting for setting anti-backlash?
The manual I am looking at has it on page 15, section 4.2.3 if that helps at all.
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#10

Post by realflow100 »

Not seeing that anywhere for me. you'll have to link me the exact page.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#11

Post by realflow100 »

Theres so much play in the gears I can nudge it to the left and right and it will stay there about half the field of view to the left or right if I slew to a streetlight and nudge it to the left with my hand gently it will move the view to the left quite a ways and stay there about half a screen distance!

Same goes for up and down. so just touching the buttons on the camera can affect the tracking as well as where im even aiming considerably.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Lady Fraktor
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#12

Post by Lady Fraktor »

All of these az/ alt mounts are like this.
If you go into the az/ alt menu there is no heading for setting backlash?
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#13

Post by realflow100 »

There is no az/alt menu

if i press the help button on the controller it just tells me what various things are set to. but theres no way to change them. just nothing at all.

trust me ive pressed every button and menu i possibly could find in this thing. theres nothing else. the highest upper level is just the selection menu for choosing to goto an object. align. set up controller. ect. but nothing technical is available to change
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Lady Fraktor
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#14

Post by Lady Fraktor »

Do you have Sync To Target?
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#15

Post by realflow100 »

Yeah but that doesnt do anything useful really. it does not help align it really. i try waiting for a while so the target is almost escaping the field of view. and aligning to target. but it does not improve the accuracy. just same behavior as before.

Also if I track an object and attempt to manually slew anywhere. it will keep tracking the sky as if its trying to track the old object. and not the new coordinates. so it will just be going off in a random direction and not tracking anything at all.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Lady Fraktor
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#16

Post by Lady Fraktor »

Keep trying it per the manual it may help a bit.
You will have to use it on each target though.
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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realflow100
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#17

Post by realflow100 »

keep trying it how? like do i just goto a whole bunch of targets and re-do align to target repeatedly back and forth between multiple targets?
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#18

Post by Lady Fraktor »

You do not have to re-align on each target.

5.4. Sync to Target
This operation will match the telescope's
current coordinates to Target Right
Ascension and Declination. After slew to an
object, move the cursor to “Sync to Target”
and press ENTER. Follow the screen to do
the sync. Using this function can improve
the GOTO accuracy in nearby sky.
Multiple
syncs can be performed if needed.
“Sync to Target” will only work after “Select
and slew” was performed. You may need
using SPEED key to change the slewing
speed to make the centering procedure
easier. A default slew speed is 2X.
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#19

Post by realflow100 »

It doesnt matter how many times I sync to target on the same object. wait a few minutes. and try again. still accuracy does not increase.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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Re: Still not sure if my input settings are right for my ioptron smartstar E8500R goto tracker

#20

Post by realflow100 »

hello? anyone?
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. Also kit lens 18-55mm IS II. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
canon 55-250mm IS II lens.
2x doublet shorty barlow 2 lens elements in 1 group
5x barlow simple 2 lens elements in 2 groups not doublet but image is decently clear
0.5x reducer not really used much.
svbony ultra wide 66 degree eyepiece kit
20mm 15mm 9mm and 6mm
svbony UHC 1.25 filter (Makes stars fainter. but nebula like orion seems to stay about the same brightness. its hard to tell if it improves the view or not. the background sky is dramatically darker but thats about it)
and 1% to 40% variable polaraizer filter ICE broadband lipo filter just seems to make things slightly "cooler" tinted so not sure what its doing. does not have a light wavelength chart.
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