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Post your 8” Planetary results.

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19 replies to this topic

#1 HCR32

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Posted 12 July 2020 - 11:09 PM

I look at all these fantastic results of Jupiter and Saturn with largish instruments here (12” and 14” ) but what good results have you gotten with you little 8”er. Feel free to post your best results. I just feel that there is no goto for smaller aperture results it’s always flooded by bigger instruments and that’s intimidating for some to celebrate what they have achieved amongst the gods of planetary imaging.
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#2 Justin Fuller

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Posted 13 July 2020 - 12:22 AM

Here are two of mine from when I had a C8 SCT. Mars (2014 opposition) was taken with a 3x Barlow and the old '04 version of the Celestron Neximage. Saturn was taken with a 3x and ZWO asi120MM. I have a decent Jupiter taken with the ZWO somewhere in my computer.

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Edited by Justin Fuller, 13 July 2020 - 12:23 AM.

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#3 KiwiRay

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Posted 13 July 2020 - 12:28 AM

I've always enjoyed participating in the small bore (6" and less) topics, and had wondered if there would be interest in starting similar "medium bore" topics, perhaps for 7-10" aperture scopes. I do think people appreciate good images taken with smaller scopes regardless of where they're posted, but having threads to present and discuss images captured within different size-groups of instruments may provide a supportive and less intimidating place than the main Solar System page, especially for those starting out.  I also like how the small-bore threads create a lasting historical record of images taken over several years, whereas other topics often disappear down the list within a few days, however good the images within them are.  Interested what other "medium bore" imagers think.

 

Ray


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#4 Tom Glenn

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Posted 13 July 2020 - 12:28 AM

Well, there is a series of threads with results of "small bore" imaging, although that is defined as 6" or less for the purposes of those threads.  See links below. 

 

Jupiter link

Saturn link

Mars link

Moon link

Venus link

Mercury link

 

An 8" scope is intermediate, so it is larger than those "small bore" challenges, but still at the low end of a typical planetary imaging rig.  You can use the search function, either on this forum, or on Google, to find examples from 8" scopes.  One thing to keep in mind, however, is that the results that are typically posted on many websites, including this one, are over selected for truly exceptional images.  The "average" image taken with a 14" scope is actually pretty poor quality.  It takes the intersection of skill, experience, and location, to produce the best results.  


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#5 HCR32

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Posted 13 July 2020 - 01:36 AM

My shot of Saturn through my 8” but on a non guided alt az mount so frames used was below 100 in total. Camera was an ASI120MC-S

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#6 rik ter horst

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Posted 13 July 2020 - 03:38 AM

Here are some images made with my 8 inch F/15 Schmidt-Cassegrain, the Mars-image of 2003 made with a Philips toucam, recently reprocessed ;-)

 

conv_m030903f_g3_b3_ap16 B Mars 2003!!.jpg 2003 (Philips Toucam)

 

22_03_2012_211228waveletPS1.jpg 2012 (DBK21)

 

conv_Jup_050314_190552_g4_b3_ap37PS.jpg 2014 (ASI120MC)


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#7 Justin Fuller

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Posted 13 July 2020 - 09:32 AM

Found my Jupiter from my 8SE, 3x Barlow and ZWO asi120mm. Haven't really tried AP, planetary or otherwise, since 2016.

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  • Jupiter_April52016.jpg

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#8 RedLionNJ

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Posted 13 July 2020 - 12:19 PM

As I think somebody else implied above, probably 95% of good images taken with a 12" or 14" could be equaled, if not bettered, by an 8" with excellent seeing. Seeing really is that big a factor.

 

Take your C8 or Meade 8" to somewhere like Barbados or Curacao and you'd be surprised.  The sweet spot for aperture is probably somewhere around the 9" mark (so Celestron had the right idea with the 9.25"). Anything larger will rarely, if ever, be able to take full advantage of its size beyond what typical seeing will allow.


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#9 roelb

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Posted 13 July 2020 - 07:00 PM

2018/06/24

Evolution 8" + 2x Barlow (F22) + ASI224MC (no filter-no ADC)

Seeing: 2/5 - ALT: 23°

 

124_2018-05-26-2121_4.jpg

 

2018/06/26  UT 21:59  CM1 = 26.3°  CM2 = 329.4  CM3 = 206.9°  ALT: 23°  DIA: 41.6"  M: -2.3

Evo 8" @ 18.5 IR-cut > ADC > Barlow 1.5 > ASI224MC

 

Jup 300718.gif


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#10 roelb

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Posted 13 July 2020 - 07:03 PM

Evo 8" @ 17.5 IR-cut > ADC > Barlow 1.5 > ASI224MC

resolution: 0.22 arcs/pix  -  texp: 7 ms - 110 fps - Gain 350 - Histogram: 70-80 %  -  180 s/capture

FireCapture 2.6 > AutoStakkert! 3 (25% frames stacked) > Registax 6

2019-06-25 UT 21:32 --> 2019-06-27 UT 00:11

Seeing: 2.5/5

Transparancy: variable due to veil clouds

ALT: 14° -> 18° -> 16°

DIA 45.6"  M: -2.6

Highly compressed GIF:

 

2019-06-25-2131_7-r-L-Jup_lapl6_ap47_REG_pipp-compressed.gif


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#11 roelb

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Posted 13 July 2020 - 07:10 PM

Mars at closest approach on July 30 2018 at 13° ALT.

Seeing: 2.5/5

30% from 56.000 frames (single capture)

 

2018-07-30-2229_6-L-Mars_lapl6_ap9_REG_ROT_AIP_Annotated.jpg


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#12 roelb

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Posted 13 July 2020 - 07:15 PM

19/08/25

Average seeing.

Evo 8 @ F/17.5 > IR-block > ADC > 1.5 x barlow > ASI224MC

altitude: 18° at transit

 

2019-08-25-2036_1-r-L-Sat_lapl6_ap59_R_85%.jpg

 

 

2018/08/21

2018-08-21-2159_3-r-L-Sat_lapl4_ap17_REG_DYADIC_annotated.jpg


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#13 HCR32

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Posted 14 July 2020 - 04:10 AM

19/08/25
Average seeing.
Evo 8 @ F/17.5 > IR-block > ADC > 1.5 x barlow > ASI224MC
altitude: 18° at transit

2019-08-25-2036_1-r-L-Sat_lapl6_ap59_R_85%.jpg


2018/08/21
2018-08-21-2159_3-r-L-Sat_lapl4_ap17_REG_DYADIC_annotated.jpg


Second shot of Saturn is a beauty!
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#14 kevinbreen

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Posted 14 July 2020 - 02:29 PM

[I'll chime in here. I sold my 8SE to my drug dealer (ok, my pharmacist) recently but I had a great time with it. They're great scopes, portable and enjoyable to use. I upgraded to a C11, which doesn't put me at god grade, but I like to think I could turn water into wine someday, as opposed to the other way around most days.
Here are my humble 8SE pics

 

attachment=1539636:IMG_9537.JPG]

 

BEF35C6F-C0CE-40EB-9701-2EA4CB731581-5745-00000156E19BFCD0.jpeg

 

DFA056E6-F91C-41E0-81FC-D10B468A51D2-5745-00000156DCFE9734.png

 

 

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#15 BKBrown

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Posted 14 July 2020 - 03:28 PM

I've always enjoyed participating in the small bore (6" and less) topics, and had wondered if there would be interest in starting similar "medium bore" topics, perhaps for 7-10" aperture scopes. I do think people appreciate good images taken with smaller scopes regardless of where they're posted, but having threads to present and discuss images captured within different size-groups of instruments may provide a supportive and less intimidating place than the main Solar System page, especially for those starting out.  I also like how the small-bore threads create a lasting historical record of images taken over several years, whereas other topics often disappear down the list within a few days, however good the images within them are.  Interested what other "medium bore" imagers think.

 

Ray

Over the years we have had members asking any number of times about "the next size up" over in the small bore threads. An intermediate challenge series for mid-size scopes might scratch the itch for those folks smile.png

 

Clear Skies,

Brian snoopy2.gif


Edited by BKBrown, 14 July 2020 - 03:31 PM.

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#16 HCR32

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Posted 30 July 2020 - 03:09 AM

Last nights results using ASI120mc-s at native focal length with my 8” Mak. 

 

6D874264-2A8B-4CFB-86AF-0ADEC9FEA38C.jpeg

Brightened it up. 


Edited by HCR32, 30 July 2020 - 09:18 AM.

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#17 Jim in PA

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Posted 30 July 2020 - 06:20 AM

[I'll chime in here. I sold my 8SE to my drug dealer (ok, my pharmacist) recently but I had a great time with it. They're great scopes, portable and enjoyable to use. I upgraded to a C11, which doesn't put me at god grade, but I like to think I could turn water into wine someday, as opposed to the other way around most days.
Here are my humble 8SE pics

 

attachment=1539636:IMG_9537.JPG]

 

attachicon.gifBEF35C6F-C0CE-40EB-9701-2EA4CB731581-5745-00000156E19BFCD0.jpeg

 

attachicon.gifDFA056E6-F91C-41E0-81FC-D10B468A51D2-5745-00000156DCFE9734.png

lol.gif  elephant.gif

 

Must've been when you got the idea to build an invisible observatory!
 


Edited by Jim in PA, 30 July 2020 - 06:21 AM.


#18 Jim in PA

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Posted 30 July 2020 - 06:26 AM

19/08/25

Average seeing.

Evo 8 @ F/17.5 > IR-block > ADC > 1.5 x barlow > ASI224MC

altitude: 18° at transit

 

attachicon.gif2019-08-25-2036_1-r-L-Sat_lapl6_ap59_R_85%.jpg

 

 

2018/08/21

attachicon.gif2018-08-21-2159_3-r-L-Sat_lapl4_ap17_REG_DYADIC_annotated.jpg

Your IR image of Saturn is excellent!  Showing my noobness here, but have to ask:  what is the advantage of using an ADC while imaging with an IR pass filter? 

 

+1 on a "mid-bore challenge" thread for those of us with 7-9" scopes.  I just don't have anything worth posting yet!



#19 JimNaySeeUm

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Posted 30 July 2020 - 08:01 AM

Took these last week with my CPC 800, 2x barlow, ADC and a ZSO 224, IR cut filter

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  • 2020-07-25-0502_8-RGB-Sat_Exposure=5.jpg
  • 2020-07-25-0517_7-RGB-Jup_#2 Exposure=3.jpg
  • 2020-07-25-0441_Io revised Ganymeade Europa 8-RGB-Jup_Exposure=4.jpg

Edited by JimNaySeeUm, 30 July 2020 - 08:04 AM.

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#20 HCR32

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Posted 31 July 2020 - 06:26 AM

ASI120mc-s 8” Mak 

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