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Equipment Discussions >> Video and Electronically Assisted Astronomy

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mpgxsvcd
Carpal Tunnel


Reged: 12/21/11

Loc: Raleigh, North Carolina
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5294633 - 06/29/12 10:38 AM

So I am a little confused. Does this mean it is limited to X16 for exposure? Also what does X16 translate to in number of seconds?

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scout72
Pooh-Bah
*****

Reged: 05/12/08

Loc: SF Bay Area
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: mpgxsvcd]
      #5294714 - 06/29/12 11:32 AM

No- it just means you don't have manual control of the exposure. It does have the ability to go to 1024x (1/50th or 1/60th secondframes =PAL or NTSC) = 20.4 seconds for PAL- but you can't set it there and keep it there- but what we haven't tested yet is if we set brightness all the way up and target something like a dim galaxy or neb for example and see if the camera will "figure it out" and keep trying to expose for that.

I do know of some folks that use the sdc-435 this way in auto mode and it actually works pretty well so I am still hopeful for what this cam can do out of the box.

Anyway- for Hemmi- my guesses on settings if it helps:

Exposure to "Normal"

Then Sens-up = x1024 (this is only telling the camera it CAN go to x1024 if it needs to but doesn't force it)

In Exposure menu set brightness setting all the way up telling the camera to overexpose as much as possible.

There is also a Lens setting - which again does not have a "manual" option- I believe the correct setting is DC IRVs then speed= 1/50th- but this is a guess since it does not have a "manual" setting here- the other option is ELECTR for lens which I believe means that the camera tries to adjust brightness electronically - an area for testing.

I would probably start with AGC to middle for starters and Gamma (in Enhance menu) to 0.45


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James Cunningham
Post Laureate
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Reged: 08/07/10

Loc: Maryland
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: scout72]
      #5294720 - 06/29/12 11:37 AM

Keep us posted. I ordered one too.

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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: James Cunningham]
      #5295154 - 06/29/12 04:42 PM

I took mine apart and removed the it filter. What a pita...it was glued on...a little heat and it popped right off. Going to test it tonight!

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James Cunningham
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Reged: 08/07/10

Loc: Maryland
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295251 - 06/29/12 05:58 PM

What did you use for the heat?

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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: James Cunningham]
      #5295257 - 06/29/12 06:07 PM

I used a cigarette lighter..gently heating the glass...but I would not recommend this method

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scout72
Pooh-Bah
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Reged: 05/12/08

Loc: SF Bay Area
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295267 - 06/29/12 06:18 PM

Cigarette lighter - yikes! From my quick inspection it looked like the filter was in a sliding mechanism- usually you can just wedge something in after it opens and this will keep it open- but will report back after I actually verify-

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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: scout72]
      #5295282 - 06/29/12 06:27 PM

Nope its not mechanical. Just looks like it!..I was in a super hurry...on the road now to SC and darker skies! Tested the camera afterwards and all is well. I would do NSN but my netbook flash crashes with NSN...But I will get some pics up tonight.

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scout72
Pooh-Bah
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Reged: 05/12/08

Loc: SF Bay Area
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295667 - 06/29/12 11:19 PM

Oh boy- well I am sure Hemmi will figure this out but THIS DOES HAVE manual shutter, was working with this cam a little more this afternoon and figured it out...if you turn Sense-Up off in the sense -up function then the Lens function gets the sense-up speeds and they ARE MANUAL! WOOHOO- well- will still have to see how it performs at 20 seconds...getting dark soon.

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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: scout72]
      #5295721 - 06/30/12 12:50 AM Attachment (174 downloads)

Well this thing is super sensitive...But Noise seems to be an issue at the moment..But it is 85 degrees right now...Here is a pic to chew on!

Edited by Hemmi (06/30/12 12:51 AM)


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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295727 - 06/30/12 12:54 AM

that image at only x32 through thin clouds...Horrible seeing tonight and like 85 degrees

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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295732 - 06/30/12 01:00 AM Attachment (162 downloads)

Trifid x64...moon, clouds and skyglow

Edited by Hemmi (06/30/12 01:04 AM)


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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295743 - 06/30/12 01:13 AM

A lot of quirky things about this camera, but with some tweaking and good skies it may have potential. Seems to pull in a ton more light than the sdc-435 at the same exposure. However noise seems to be worse. With some tweaking I think it will do ok...still yet to try with lowering the gain..that may help with noise. Also better skies will give a better indication.

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Raginar
Post Laureate
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Reged: 10/19/10

Loc: Rapid CIty, SD
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295827 - 06/30/12 03:01 AM

THanks Hemmi!

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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295860 - 06/30/12 04:04 AM Attachment (128 downloads)

Well done Hemmi for 1st DSO pics - looks very promising and manual shutter afterall say Scout

Did a quick test of your [boosted] M20 against Megastar and its down to mag 12.6 and pretty clean from hot pixels - M21 OC top left


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James Cunningham
Post Laureate
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Reged: 08/07/10

Loc: Maryland
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 new [Re: Hemmi]
      #5295889 - 06/30/12 05:28 AM

Was this at 17 seconds? It could use some cooling.

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James Cunningham
Post Laureate
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Reged: 08/07/10

Loc: Maryland
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 [Re: scout72]
      #5295890 - 06/30/12 05:32 AM

What kind of filter did you have on the camera. It looks like it could benefit from an Astronomik light pollution filter. That would darker the sky back round.

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James Cunningham
Post Laureate
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Reged: 08/07/10

Loc: Maryland
Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 [Re: scout72]
      #5295892 - 06/30/12 05:33 AM

Sens Up to "off" is the same as on the Samsung 2000 camera.

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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 [Re: James Cunningham]
      #5296083 - 06/30/12 09:39 AM

Quote:

Was this at 17 seconds? It could use some cooling.




Swan was less than one sec. the trifid was slightly over one sec.


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Hemmi
super member


Reged: 09/08/10

Re: 17 sec (x1024) Camera Sony 960h Exview HAD CCD2 [Re: James Cunningham]
      #5296089 - 06/30/12 09:42 AM

Quote:

What kind of filter did you have on the camera. It looks like it could benefit from an Astronomik light pollution filter. That would darker the sky back round.




celestron uhc


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