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Has anyone heard of this scope before (Sharpstar 61 EDPH)?

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268 replies to this topic

#201 UKalwayscloudy

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Posted 27 September 2020 - 01:52 AM

Gnarayan

Love the veils! What camera did you use to take that as it is on my hit list and I was wondering about how frame it. Ta

#202 gnarayan

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Posted 27 September 2020 - 11:12 AM

Love the veils! What camera did you use to take that as it is on my hit list and I was wondering about how frame it. Ta

Thanks! Original unmodded A7s with an H-alpha/OIII dual-band filter (L-Enhance).
 



#203 UKalwayscloudy

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Posted 29 September 2020 - 06:35 AM

The sky was clear the other night apart from an 85% full moon, so I tried out the 61EDPH with the Altair Quadband filter and the Altair Hypercam 269c on the North America Nebula. Lots of compression here. I am going to put some full res stuff on astrobin for this scope. 

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#204 Cometeer

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Posted 29 September 2020 - 09:40 AM

Here’s another Veil. Taken with a 1600mm in HO with only 3hrs of integration time. Need to tweak the spacing just a tiny bit. 

 

3AAC5DFC-249A-4724-AE12-7F1C7A297CD5.jpeg


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#205 UKalwayscloudy

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Posted 30 September 2020 - 03:49 AM

I've put high res versions of my recent shots with this scope on astrobin.  There are a couple of others on this link, and probably some more coded differently if you dig around:

 

https://www.astrobin...star 61 EDPH II


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#206 yashob100

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Posted 30 September 2020 - 01:02 PM

Is there any 1.0x flattener compatible with sharpstar 61?



#207 kel123

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Posted 30 September 2020 - 04:26 PM

Is there any 1.0x flattener compatible with sharpstar 61?


None by the manufacturer. I get you don't want to lose any focal length.

#208 yashob100

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Posted 30 September 2020 - 05:33 PM

None by the manufacturer. I get you don't want to lose any focal length.

Yes. 275 will be too wide smile.gif



#209 Cometeer

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Posted 30 September 2020 - 05:42 PM

Is there any 1.0x flattener compatible with sharpstar 61?

I’ve tested the Hotech SCA (which is optically identical to the Orion flattener and some others) and it does not work very well. 



#210 kel123

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Posted 30 September 2020 - 07:03 PM

I’ve tested the Hotech SCA (which is optically identical to the Orion flattener and some others) and it does not work very well. 

I believe these manufacturers should be making 1x options  



#211 emr7

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Posted 30 September 2020 - 11:00 PM

As I understand it a filter can screw into the Flattner, that is 2" correct?



#212 cengell

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Posted 04 October 2020 - 11:31 PM

YES a M48 filter will thread inside of the 0.8 reducer.

 

Christopher



#213 Kevin_A

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Posted 05 October 2020 - 11:30 AM

You may want to see if the William optics 61A flattener would work... it is a 1.0X but requires a M54 thread to mount onto the scope and has an internal 2" filter screw mount with M48 out for t-ring.

It fits onto the Zenithstar 61 v2 scope.



#214 kel123

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Posted 05 October 2020 - 12:06 PM

You may want to see if the William optics 61A flattener would work... it is a 1.0X but requires a M54 thread to mount onto the scope and has an internal 2" filter screw mount with M48 out for t-ring.

It fits onto the Zenithstar 61 v2 scope.

The Sharpstar has M63 thread, meaning that a step down adapter of M63 - M54 might be required. I don't how that might play out. 



#215 Cometeer

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Posted 06 October 2020 - 12:03 PM

Details from an unnamed vendor about the Sharpstar glass

 

8305EBDD-F0CD-4C0E-8D0E-7E9FB08FF9AC.jpeg



#216 gnarayan

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Posted 08 October 2020 - 08:25 PM

Had a few clear nights this week, so stayed on IC1396 for almost 24h in SHO. Moon gradients are pesky to correct, but really enjoyed seeing the image build up on the Asiair pro's Live stacking interface. Full version: https://www.flickr.c...yan/50439447656

50439447656_bccf4dcf9d_b.jpg


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#217 UKalwayscloudy

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Posted 09 October 2020 - 11:05 AM

TS optics make an M63 to M54 adapter. That’s what I used to test the Altair flattener. I guess I’d need a loan WO to try out!

#218 Horizon_Brave

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Posted 13 October 2020 - 09:16 AM

I'm late to this thread...but what adapter piece do you use to connect your canon to the sharpstar?



#219 kel123

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Posted 13 October 2020 - 09:37 AM

I'm late to this thread...but what adapter piece do you use to connect your canon to the sharpstar?


M63 to M48 or to M42, depending on the thread size of your t-ring.

#220 kel123

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Posted 13 October 2020 - 09:39 AM

But if you want to use 2" filters, the standard size it M63 - M48. That was what the seller sent to me a bonus.

#221 Horizon_Brave

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Posted 13 October 2020 - 09:47 AM

But if you want to use 2" filters, the standard size it M63 - M48. That was what the seller sent to me a bonus.

Thanks! This is the T Ring I have...How would you determine with M size?

https://www.amazon.c...a/dp/B000237C9M



#222 Cometeer

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Posted 13 October 2020 - 10:39 AM

Thanks! This is the T Ring I have...How would you determine with M size?

https://www.amazon.c...a/dp/B000237C9M

That one won’t work since it’s M42. You want a M48 t-ring. If it says M42 or T2, it will not fit the Sharpstar’s reducer. 



#223 Horizon_Brave

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Posted 13 October 2020 - 12:21 PM

That one won’t work since it’s M42. You want a M48 t-ring. If it says M42 or T2, it will not fit the Sharpstar’s reducer. 

Hope I'm not completely hijacking this thread, but I see one here:

 

https://www.amazon.c...ctronics&sr=1-2

 

So once I have this, and the Sharpstar, is there any other connectivity pieces I need?


Edited by Horizon_Brave, 13 October 2020 - 12:22 PM.


#224 Cometeer

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Posted 13 October 2020 - 12:31 PM

Hope I'm not completely hijacking this thread, but I see one here:

https://www.amazon.c...ctronics&sr=1-2

So once I have this, and the Sharpstar, is there any other connectivity pieces I need?


Nope, but I would consider some thin spacers to tune the spacing.

#225 GaryO

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Posted 10 November 2020 - 11:55 PM

This thread has been quiet for a bit. I just recently received my new EDPH2 and I have piggybacked it onto my TEC 140. We have been in a spell of incredible weather here in Rochester - would you believe near 80 degrees and sunshine for many days with beautiful, clear nights as well which has allowed me to get first light (digital) with the new setup.

I chose IC 1805 for my target and produced an SHO Hubble Palette image which is six hours total integration.

 

Imaging configuration is an ASI1600 mono at f/4.5, focal length 275mm.

 

Overall, I am pleased with the image, but my stars are problematic....perhaps I need to work on backspacing a bit more....

 

Gary

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  • 1805ss4_opt(3).jpg

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