Return to the Cloudy Nights Telescope Reviews home pageAstronomics discounts for Cloudy Nights members
· Get a Cloudy Nights T-Shirt · Submit a Review / Article

Click here if you are having trouble logging into the forums

Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu… uh, User

Equipment Discussions >> Electronically Assisted Astronomy

Pages: 1
nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
M57 central star in 1 second !
      #6154181 - 10/23/13 06:17 PM Attachment (62 downloads)

Ended a quick session tonight under arising Hunter's Moon on M57 [Ring Neb] and surprised to record the central star in just 1 sec exposure via 12" SCT @ f/2.8 + Lodestar-C below. Main pic 10s exp with inset right enlarged x2 in 1s; 2s; 3s exps.
What's your briefest to record this star

Edited by nytecam (10/24/13 02:58 AM)


Post Extras: Print Post   Remind Me!   Notify Moderator  
Relativist
Post Laureate
*****

Reged: 10/11/03

Loc: OC, CA, USA
Re: M57 central star in 1 second ! new [Re: nytecam]
      #6154806 - 10/24/13 04:20 AM

I don't know if I asked this, but do you broadcast on NSN at all? Would love to see this live!

Post Extras: Print Post   Remind Me!   Notify Moderator  
csa/montana
Den Mama
*****

Reged: 05/14/05

Loc: montana
Re: M57 central star in 1 second ! new [Re: nytecam]
      #6155252 - 10/24/13 10:47 AM

Nice! It's visible in the large image; but the side images really show it well!

Post Extras: Print Post   Remind Me!   Notify Moderator  
mclewis1
Thread Killer
*****

Reged: 02/25/06

Loc: New Brunswick, Canada
Re: M57 central star in 1 second ! new [Re: csa/montana]
      #6155298 - 10/24/13 11:10 AM

Carol,

The large aperture scope, very fast optics, sensitive camera, and effective image processing (and being put together by someone with real experience) all combine to make this a piece of cake. The central star in M57 is one of a number of examples of traditional tests for visual observers that are pretty simple for the assisted viewing crew.

Edited by mclewis1 (10/24/13 11:11 AM)


Post Extras: Print Post   Remind Me!   Notify Moderator  
jdbastro
sage


Reged: 08/18/07

Loc: W. Coast
Re: M57 central star in 1 second ! new [Re: nytecam]
      #6156691 - 10/25/13 01:24 AM Attachment (18 downloads)

Quote:

... What's your briefest to record this star




Very nice pics. Good color.

OK, how's this? Exposure time of 0.5 sec. Look for the central star in the blowup pic (upper right corner). I got it right?

Equipment: Tak Mewlon 250 @ f12, Gen 3 thin-film image intensifier, Panasonic GH3 camera. Location: Mount Pinos, CA.

My pic is in color, too - NV green!


Post Extras: Print Post   Remind Me!   Notify Moderator  
nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: M57 central star in 1 second ! new [Re: jdbastro]
      #6156800 - 10/25/13 04:08 AM

Excellent result for 0.5s and much as I'd expect from an EOD:-) Did think about going lower exp on the night but will next time - challenge on !

Post Extras: Print Post   Remind Me!   Notify Moderator  
Chris A
Pooh-Bah


Reged: 02/03/07

Loc: Toronto, Canada
Re: M57 central star in 1 second ! new [Re: Relativist]
      #6157664 - 10/25/13 03:20 PM

I think the question that Curtis has brought up but over looKed is very important Maurice and I also would love if you could do a demonstration using your Lodestar C live on NSN if you can? As you know it does not cost anything to sign up and start broadcasting and this would be an excellent way for all of us to see these pictures in near real-time as they appear on your screen. The software would be great to use as long as it is done "on the fly" with no post processing. So how about it are you up to the task?

Clear skies,

Chris A
Astrogate


Post Extras: Print Post   Remind Me!   Notify Moderator  
budman1961
Pooh-Bah
*****

Reged: 02/25/11

Loc: Springfield, MO
Re: M57 central star in 1 second ! new [Re: Chris A]
      #6157953 - 10/25/13 06:04 PM

Second that Chris!

Post Extras: Print Post   Remind Me!   Notify Moderator  
nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: M57 central star in 1 second ! new [Re: Chris A]
      #6157994 - 10/25/13 06:24 PM

Quote:

I think the question that Curtis has brought up but over looKed is very important Maurice and I also would love if you could do a demonstration using your Lodestar C live on NSN if you can? As you know it does not cost anything to sign up and start broadcasting and this would be an excellent way for all of us to see these pictures in near real-time as they appear on your screen. The software would be great to use as long as it is done "on the fly" with no post processing. So how about it are you up to the task?
Clear skies, Chris A Astrogate


Thanks Chris - I don't have suitable Lodestar-C on-the-fly s/ware for NSN so until I do that won't be possible.

Unlike your videocam I've no knobs and button to tweak PRIOR to exposure so it must be done post download via s/ware and thus contravenes your rules - see Puck's recent and stunning Lodestar images and reference to s/ware issues


Post Extras: Print Post   Remind Me!   Notify Moderator  
budman1961
Pooh-Bah
*****

Reged: 02/25/11

Loc: Springfield, MO
Re: M57 central star in 1 second ! new [Re: nytecam]
      #6157998 - 10/25/13 06:25 PM

I would like to see them in the "before" state myself!

Post Extras: Print Post   Remind Me!   Notify Moderator  
mclewis1
Thread Killer
*****

Reged: 02/25/06

Loc: New Brunswick, Canada
Re: M57 central star in 1 second ! new [Re: nytecam]
      #6158129 - 10/25/13 08:13 PM

Quote:

I don't have suitable Lodestar-C on-the-fly s/ware for NSN so until I do that won't be possible.

Unlike your videocam I've no knobs and button to tweak PRIOR to exposure so it must be done post download via s/ware and thus contravenes your rules - see Puck's recent and stunning Lodestar images and reference to s/ware issues



Maurice,

I understand your points. You could however still broadcast on NSN if you use a capture/redirect software app like WebCamMax. With that software you would identify an area of the screen you want to broadcast (the window displaying the image). WebCamMax then continuously captures the contents of that area and presents it as a video stream that looks like it comes from webcam device. Flash can then pipe that stream through to NSN.

The delayed or post download processing of that image is not unlike what happens with some aspects of Miloslick. The video controls you mention actually only work on a captured image when you're discussing a video image on the PC. Even with a video monitor the manual controls are only working with an image once the longer (> 2s) integration/exposure has completed.

Ideally the SX software would have a "broadcast on NSN" function added to it but I understand how that's not likely to happen. There's lots of other popular software also waiting for that capability.


Post Extras: Print Post   Remind Me!   Notify Moderator  
Chris A
Pooh-Bah


Reged: 02/03/07

Loc: Toronto, Canada
Re: M57 central star in 1 second ! new [Re: mclewis1]
      #6158279 - 10/25/13 09:54 PM

I agree with Mark! Maurice WebcamMax would do what you need to do in order to show the Lodestar in near real-time on NSN.

Clear skies,

Chris


Post Extras: Print Post   Remind Me!   Notify Moderator  
Relativist
Post Laureate
*****

Reged: 10/11/03

Loc: OC, CA, USA
Re: M57 central star in 1 second ! new [Re: nytecam]
      #6159455 - 10/26/13 04:29 PM

Quote:

Thanks Chris - I don't have suitable Lodestar-C on-the-fly s/ware for NSN so until I do that won't be possible.

Unlike your videocam I've no knobs and button to tweak PRIOR to exposure so it must be done post download via s/ware and thus contravenes your rules - see Puck's recent and stunning Lodestar images and reference to s/ware issues




Lets hope that changes soon. I'm not 100% sure but it sounds like there may be software in the works to help. I've also tried to ask those already on NSN that use the Lodestar as autoguiders to broadcast with them, with no luck whatsoever.

In any case I will need an Autoguider myself, and I want to try AO one day... hmmm....


Post Extras: Print Post   Remind Me!   Notify Moderator  
Pages: 1


Extra information
4 registered and 6 anonymous users are browsing this forum.

Moderator:  David Pavlich, JayinUT 

Print Thread

Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled


Thread views: 780

Jump to

CN Forums Home


Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics