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Posts posted by CedricTheBrave
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4 hours ago, symmetal said:
Yes and yes. 😀
However, the ASI290 is a small sensor at 5.6 x 3.2mm, so the reducer/flattener may not be necessary to get a useable flat field but if you do use the reducer/flattener you won't need to space it at exactly 50.5mm, and a mm or two either side should be fine.
The Canon 700 being an APS-C size sensor will need the extension spacing to be more exact. The Canon T2 adapters can vary slightly in their length by 0.5mm or so depending on the manufacturer, so the extension may need to vary slightly from 8mm to get optimum results. 🙂
Alan
perfect thank you
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hi everyone
I have an ED80 with the 0.8 focal reducer.
the spec of which says the following
Recommended Starwave v3 0.8x Reducer Spacing:
Telescope model: Sensor to reducer rear flange spacing (mm): Focal Length with & (without) reducer (mm):
Starwave 80ED-R 63 448 (560)so if the back focus of the ASI 290MC is 12.5mm, am I correct in saying that I will need a 50.5mm extension tube to mount it to the scope?
likewise if the Canon 700 is used with a T Ring that would need an 8mm extension?
hope I am going in the right direction!
many thanks
Dave
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15 minutes ago, Louis D said:
Maybe you're partially Japanese. They tend to prefer straight through viewing of planets since any diagonal adds some scatter, decreasing contrast.
being closer to the ground would also help
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1 hour ago, Adam J said:
Are you using a diagonal? If not the. You will need an extension tube instead.
its the simple things isnt it! feel a right numpty now. just tried a cheapo diagonal and its a good as gold.
thank you so much
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no not using a diagonal
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OK so I purchased my first refractor the Star Wave 80ED TR as a grab and go for camping holidays etc
arrived today looks really well made quite impressed with its solidity and the smooth focus tube etc and the nice case
now I did expect to stick my 17.5mm morpheus eye piece in and focus reasonably quickly on the moon tonight but no!
i can get focus if I hold the eyepiece about 3 inches out of the draw tube when its extended fully!
is that right? do I need an extension tube that big?
Dave
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Anyone using one of these?
looking at getting a grab and go so I can take one camping etc as my VX14 wont allow anyone else in the car once its in!
also thinking of a decnt mount/tripod for same
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34 minutes ago, fozzybear said:
Can you do the same for for the myDewControllerPro3-Linux
If you could that would be great @brown_rb
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Finally finished my focuser.
Based on the fabulous Robert Brown thanks @brown_rb MyFocuserPro2 using the UN2003 I created a box and dovetail clamps so it attaches to my Baader Steeltrack focuser. The dovetails I found on thingyverse and edited the code slightly so they fit and the box was designed in Fusion 360.
All parts printed on my Cr10sProV2 with CF PLA which gives it a nice finish and strength.
Connection to indi via Bluetooth HC05 I can use auto focus for sessions with temp compensation and also manually focus using the joystick controller.
Quite pleased with the way it mounts mostly. Its very solid.
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4 minutes ago, blameTECHIE said:
It would if I'd ordered the correct one - oops.
Had two in my basket and chose the cheaper option - not realising that this one has a RealTek chipset so is no longer supported despite it being in the listing. Oh well, Amazon Prime so it's going back and I've ordered the correct one as it's got £2 off again today and should be here tomorrow
i have the realtek version and it works a treat
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not looked at this before but your post sparked an interest
if you go into the Horiizon manager in kstars its sounds quite straight forward!
will give it a go next time I am out
cheers
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I am in the same boat, currently with a NEQ6RPro and my new scope (which I always knew) is too big.
so I am deliberating on the CEM70 or the 120
So far I am erring on the 120 as the 70 will be on its limit for me.
so saving my pennies! (and waiting for stock)
also have to build my obsy first!!
think I have gone mad
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OK so OOUK have apologised! and admitted a mistake on reasembly before despatch after a few swapping of emails and sending of pictures.
A replacment secondary is on its way so i will fit that and see how we get on.
think they need to reassess their QC though!
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Well
picked up my VX14 a few weeks back
not had much chance to test it out until recently, so had it on the mount and balanced it then pointed it at the moon first and then took a few shots of M51
well the half of the viewfinder that was not obscured looked really good but oh my the collmination was out!
anyway bit of history in that I had asked them to fit my own supplied steeltrack focuser because i didnt like the SW one they supplied as standard. they asked me what backfocus i required which I told them (they got that bit right) when I collected I asked about the price difference being reduced because of the focuser emmision and was informed that the extra time taken to make a jig to fit the focuser used up any spare. Ok I thought at least it will be setup correctly! how wrong I was!
I have spent the day today going through collmination, as you can see from the image of M51 its pretty awful the dark shadow at the bottom is where the secondary chopped due to it being out of line with the focus tube. I have had to move the secondary about 15mm down to get it aligned and filling the tube correctly.
to say I am unhappy is an understatement. It took 5 months to get the scope and they added an extra 2 weeks to fit my focuser. I wish I had done it myself now!
hopefully its now all straight and collminated but I shouldn't have to go through this
I await a response from OOUK after the bank hols I guess!
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Is anyone who has a ioptron CEM70 running it with astroberry or stellarmate or just ekos/kstars on an Rpi?
any problems or issues?
thinking of changing my mount to one but want to make sure it will match up with the rest of my kit.
tia Dave
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i had a similar issue with a starlight express costar
sent it bak to them for testiing and they found a problem and fixed it with a new board.
obviously not the same device but similar issue
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Getting my VX14 week after next!
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7 hours ago, kmaslin said:
Cheers James - keep me posted if you do develop that
Another issue is trying to sort out extension cable for powering the all sky camera as the standard Pi4 PSU uses USB C (why?)
so now trying to sort out a 5V 2.5A PSU with standard 2.1mm jack that I can fit into 5m meter extension cable and then put a 2.1mm to USB C adapter on - yikes!
you can use two pins on the io port to power the rpi
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1 hour ago, Thalestris24 said:
Cool! Have you tried the Morpheus yet? I 3D printed an adapter for a BST Starguider 25mm to use as an imaging projection eyepiece on my microscope. There is some (barrel) distortion but quite a flat field. I may try it, or get another, for eyepiece projection on my refractor Do post any images you get with your Morpheus (ps I usually print astro bits in black.
Louise
not tried it yet no
I do have some black CF PLA that i will try it on next as it should also be stronger but this one is already very strong I have tried to break it.
the white was used as a first go because its nice and prints well.
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EQ8+synscan handbox, Goto works, tracking not
in Getting Started Equipment Help and Advice
Posted
have you set the time and location correctly and polar aligned?