13 replies to this topic

[galacticinsomnia]

More adjustments on the back spacking for the field flattener, and I don't think I can get it any closer due to the scope not letting me focus inward any further.

Extremely pleased so far with the scope.  The biggest draw back for me has been the dew shield being way too loose.  Sliding around on its own.  My solution was to wrap a piece of aquarium air tubing around the element to put more tension on the shiled.  This has worked amazing.

The nights have been pretty clear, but it has been quite windy.  With that...

The Heart Nebula.
Sharpstar EDPHII 61ED Triplet with Orion Flattener for Small Refractors +8mm Spacer (a total of 81mm measured back focus).
110 @2min iso 3200 Canon M6ii-FullSpectrum Modified, Lenhance Filter, UV/IR Block Filter up front, NO Calibration Frames, Dithered Every 5th.
Svbony 305pro guidecam and Svbony 106, 60mm guidescope.
Platesolved, PHD2 multistar, APT, Stellarium on iOptron CEM25p Mount.
Run remotely on a $120 mini PC running windows10.
Lightly Processed in Siril, and PS.

 

 

Feedback, comments welcome..
 

[F.Meiresonne]

Nice image, much Ha.

 

But is'nt it rather narrow view for the EDPH 61?

 

Mine has no issues with the dew cap. It lacks a setscrew, but does not slide, The same with the 76 mm EDPH.

[vidrazor]

Nice. Is that cropped, or are your stars good to the edges with your flattener settings now?

[galacticinsomnia]

Nice image, much Ha.

 

But is'nt it rather narrow view for the EDPH 61?

 

Mine has no issues with the dew cap. It lacks a setscrew, but does not slide, The same with the 76 mm EDPH.

Thank you.  Yes, first it was cropped to remove the sensor glow, and then I rotated a bit and that cropped it some more. 
The CAP works fine, and stays on well, its the sliding dew shield / lens hood that was sliding and flopping.  The fix was really easy.. Maybe I'll take a picture of that tonight.  Was hoping to image but weather may not pull through..


 

Nice. Is that cropped, or are your stars good to the edges with your flattener settings now?

This is about the best I could upload that will show the full stacked result frame, with stretching and wonky color scheme.

 

I would like to get another 1-2mm of back focus added with spacers to make it even better but the scope is at it's limit without some kind of modification.
I have the Flattener Reducer coming from Orion which is .8 and this Orion flattener has been doing so well I think the value is really great and no real noticible vignetting and if I can capture properly, I can get use almost the full 32mp frame.



Clear Skies !!

 

 

[vidrazor]

This is about the best I could upload that will show the full stacked result frame, with stretching and wonky color scheme.

I would like to get another 1-2mm of back focus added with spacers to make it even better but the scope is at it's limit without some kind of modification.
I have the Flattener Reducer coming from Orion which is .8 and this Orion flattener has been doing so well I think the value is really great and no real noticible vignetting and if I can capture properly, I can get use almost the full 32mp frame.

Yeah that's pretty good. Are you just clearing those wildfires? Looks like it on the map. It's right over my skies right now, that's a high moon below through it. So much for any opened window I may have had...
 

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[F.Meiresonne]

The Heart is surely on my wanted list too...last year i tried and i get could one rather descent image , but i had tons of walking noise. That made me understood what walking noise really was and it led me to dithering. Dithering to me is something that is really imperative.

 

In some of my processed pictures the walking noise was so bad that ik look as the whole object had shifted....

[galacticinsomnia]

Yeah that's pretty good. Are you just clearing those wildfires? Looks like it on the map. It's right over my skies right now, that's a high moon below through it. So much for any opened window I may have had...
 

We are just on the cusp of the smoke, but last year we had it really bad and hope it continues to pass us.  Have had clear/partly cloudy skies, but don't know if it will last so I am collecting data like crazy.  Got 3 nights on the Veil area, but having a really difficult time extracting useful data.  So many stars, and really dim nebula.

Nice moon !

Clear skies !!

 

[galacticinsomnia]

The Heart is surely on my wanted list too...last year i tried and i get could one rather descent image , but i had tons of walking noise. That made me understood what walking noise really was and it led me to dithering. Dithering to me is something that is really imperative.

 

In some of my processed pictures the walking noise was so bad that ik look as the whole object had shifted....

Walking noise really is a pain, and and have it in my first few years of shooting on and off.  Especially when using the SGP not so bad with CEM25P though. 

Processing images is not my favorite part, having to relearn the same thing over and over gets old.  I keep trying to make actions and stuff, but each object has its own needs.  I'm having a great time, and is really good for my mental health, plus I get cool images once in a while, it's a win win kind of journey.

I think we are all presented with similar challenges.  It's pretty cool. 

Clear Skies !!

 

[F.Meiresonne]

We are just on the cusp of the smoke, but last year we had it really bad and hope it continues to pass us.  Have had clear/partly cloudy skies, but don't know if it will last so I am collecting data like crazy.  Got 3 nights on the Veil area, but having a really difficult time extracting useful data.  So many stars, and really dim nebula.

Nice moon !

Clear skies !!

 

dunno.. the veil dim...too many stars absolutely....too dim. imho not..;i got 3 hours on the veil in bortle 5 with an off the shelf DSLR, came out pretty good.

 

Allthough on any jpg i took also together with raw file, no trace of it...though.

[vidrazor]

In some of my processed pictures the walking noise was so bad that ik look as the whole object had shifted....

I'm curious to see what that looks like LOL!
 

[F.Meiresonne]

like this

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[galacticinsomnia]

like this

That is way better than my first with that target.  Mine was out of focus and contained no Ha data really even with a Modded camera. 

Looks okay to me..  

Clear Skies !!

[vidrazor]

like this

That's rather bizarre that some data looks like streaked stars and other stars, not. Really weird. I was wondering if I could mitigate some of that using various processes on a Starnet extract, with lighten layers, offsets, smart blurs and levels, but it didn't go much of anywhere. Strange how some of your data was affected.

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[F.Meiresonne]

never had it that bad, it was the first close encounter of walking noise. It was in the period i started guiding, and tried longer subs...very strange indeed