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Venus

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47 replies to this topic

#1 ags55

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Posted 19 October 2016 - 01:48 AM

Hi all, here are my Venus images from the last 3 days captured during the late afternoon in variable seeing conditions using an Astrodon UV and a Thorlabs  FELH1000 filter.

Attached Thumbnails

  • v2016-10-16-0729-uv_pm.png
  • v2016-10-16-0735-ir_pm.png
  • v2016-10-17-0734-uv_pm.png
  • v2016-10-17-0742-ir_pm.png
  • v2016-10-18-0717-ir_pm.png
  • v2016-10-18-0756-uv_pm.png

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#2 RAC

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Posted 19 October 2016 - 02:39 AM

Wow I love the 1000nm ones, so smooth! Awesome.



#3 Piero DP

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Posted 19 October 2016 - 07:23 AM

Very nice! I always enjoy observing Venus even if not many features are detectable. 



#4 Luc CATHALA

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Posted 19 October 2016 - 10:00 AM

Hello

1000 nm are perfect with good processing.

Clear skies.

Luc



#5 sfugardi

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Posted 19 October 2016 - 11:25 AM

Phil, excellent image set! Cloud details with the 1000nm filter are nicely resolved.  The Fullum air tech mirror design is very interesting and likely tracks ambient temperature well even with your huge 20" aperture. Could you please post a picture of your scope / mirror? Congratulations on these shots and thanks for posting

 

Regards,

Steve


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#6 Thundermoon1994

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Posted 19 October 2016 - 12:25 PM

Wow.  Those are stunning! :bow:

 

You should enter one into the monthly imaging competition.

 

 

Damien


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#7 ags55

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Posted 19 October 2016 - 02:52 PM

Phil, excellent image set! Cloud details with the 1000nm filter are nicely resolved.  The Fullum air tech mirror design is very interesting and likely tracks ambient temperature well even with your huge 20" aperture. Could you please post a picture of your scope / mirror? Congratulations on these shots and thanks for posting

 

Regards,

Steve

Thank you all for your generous comments, indeed the Fullum mirror works well even when it reaches 40c here a few minutes with the ac before dusk and I'm fit to go. Here is a link to the scope project: http://www.iceinspac...ad.php?t=133443


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#8 Awesomelenny

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Posted 19 October 2016 - 03:43 PM

The UV filter ... is that the Astrodon UVenus filter?  How do you manage reasonalble exposures?  I use my ZWO ASI120MC camera and can't get anything to show up unless I use a Max gain and Max Gamma and exposures are like 3 seconds before anything show up.  I must be doing something wrong...



#9 CPellier

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Posted 20 October 2016 - 02:49 AM

Superb Venus images !



#10 CPellier

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Posted 20 October 2016 - 02:52 AM

The UV filter ... is that the Astrodon UVenus filter?  How do you manage reasonalble exposures?  I use my ZWO ASI120MC camera and can't get anything to show up unless I use a Max gain and Max Gamma and exposures are like 3 seconds before anything show up.  I must be doing something wrong...

A color camera has generally very weak sensitivity in UV. A b&w camera is required here...



#11 Astronorm

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Posted 20 October 2016 - 10:46 AM

It's great to know that my mirror is used for great imaging!!

Thank you Phil for sharing :-)

Normand Fullum


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#12 Awesomelenny

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Posted 20 October 2016 - 03:19 PM

Which B&W camera are you using?



#13 ags55

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Posted 20 October 2016 - 03:33 PM

Which B&W camera are you using?

https://www.ptgrey.c...-pregius-imx252



#14 DesertRat

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Posted 20 October 2016 - 05:15 PM

Superb images and great work!  Aperture is showing here. . :waytogo: :waytogo:

 

Glenn



#15 ags55

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Posted 20 October 2016 - 05:54 PM

It's great to know that my mirror is used for great imaging!!

Thank you Phil for sharing :-)

Normand Fullum

Yes it's capturing beautifully, thanks Normand.  Those who have seen it in action are very impressed with the live view image quality and at just 20kg it cools so quickly I've never had any thermal issues.

 

Cheers, Phil


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#16 Cristina Cellini

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Posted 21 October 2016 - 02:04 AM

Beautiful image, great work!

 

Cristina



#17 ags55

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Posted 23 October 2016 - 03:19 AM

Three more sets taken 12th,13th,14th again the seeing was very variable, it is cloudy and raining today so catching up with household chores.lol

Attached Thumbnails

  • v2016-10-12-0738-uv_pm.png
  • v2016-10-12-0750-ir_pm.png
  • v2016-10-13-0720-uv_pm.png
  • v2016-10-13-0732-ir_pm.png
  • v2016-10-14-0725-ir_pm.png
  • v2016-10-14-0731-uv_pm.png

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#18 Tyson M

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Posted 23 October 2016 - 11:35 AM

Absolutely gorgeous. Been awhile since I have seen Venus. Never got an opportunity to image it. This is great!



#19 ags55

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Posted 26 October 2016 - 06:24 PM

These are from the last week, again very variable conditions but some interesting upper cloud detail.

 

Cheers, Phil

Attached Thumbnails

  • v2016-10-20-0751-ir_pm.png
  • v2016-10-20-0751-uv_pm.png
  • v2016-10-21-0731-ir_pm.png
  • v2016-10-21-0736-uv_pm.png
  • v2016-10-24-0636-ir_pm.png
  • v2016-10-24-0748-uv_pm.png
  • v2016-10-25-0726-ir_pm.png
  • v2016-10-25-0746-uv_pm.png
  • v2016-10-26-0710-ir_pm.png
  • v2016-10-26-0740-uv_pm.png

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#20 ags55

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Posted 28 October 2016 - 04:43 AM

Venus showing some beautiful cloud details, I'm hoping the Japan Aerospace Exploration Agency (JAXA) will soon publish a report explaining the complex cloud structures so we will all understand them better.

 

Cheers, Phil

Attached Thumbnails

  • v2016-10-27-0733-ir_pm.png
  • v2016-10-27-0739-uv_pm.png
  • v2016-10-28-0722-ir_pm.png
  • v2016-10-28-0746-uv_pm.png

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#21 Awesomelenny

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Posted 28 October 2016 - 11:53 AM

I just love coming back to this thread! I ordered a ASI120MM camera ...coming today.  Can't wait to try this out!


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#22 ags55

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Posted 29 October 2016 - 10:36 PM

I just love coming back to this thread! I ordered a ASI120MM camera ...coming today.  Can't wait to try this out!

Good luck with your new camera, you will need good seeing as well as a shaded scope to get any detail with a UV filter.

Attached Thumbnails

  • v2016-10-29-0802-ir_pm.png
  • v2016-10-29-0808-uv_pm.png

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#23 ags55

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Posted 30 October 2016 - 11:52 PM

Venus has become somewhat easier now I'm using my mk2 "Belmsod"

Attached Thumbnails

  • v2016-10-30-0740-ir_pmi.png
  • v2016-10-30-0740-uv_pmi.png

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#24 Thomas Ashcraft

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Posted 12 November 2016 - 08:53 PM

Wow...great archive of Venus work. Thanks for sharing. - Thomas



#25 Mike Phillips

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Posted 13 November 2016 - 10:17 AM

Amazing work on both the scope and your subject


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