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Supernovas anyone?

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#1 descott12

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Posted 03 May 2019 - 01:58 PM

Pretty cool time to be viewing as there are several visible supernovas right now...or maybe this is just normal??

In any case, there were a few previous posts regarding the SNs in M100 and IC1056

 

https://www.cloudyni...va#entry9335326  - down near the bottom/most recent entries.

 

https://www.cloudyni...va#entry9337777

 

so I figured I would try to find them. I turns out they were easy. I have recently discovered how well my 178 MM camera works. I really like my 294 MC and that was my "go to" camera but the monochrome with smaller pixels seems to excel at these type of targets.

 

Stacked with SharpCap. Evo 8 + 178 MM + HyperStar

M100: 13.7 sec, gain 178, total time 3:39

IC1056: 11.3 sec, gain 213, total time 4:18

Attached Thumbnails

  • IC1056_00001_WithDisplayStretch.png
  • M100-139.png

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#2 S1mas

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Posted 04 May 2019 - 02:15 AM

Yesterday stack. 2 days ago supernova was whitish, yesterday more like yellow.

Magnitude droped by 0,5 mag too.

8 SCT, at F4 with RT IMX224. Saved as viewed in Sharpcap 3.2 pro.
Saturation - max

Stack_23frames_690s.jpg
 


Edited by S1mas, 04 May 2019 - 02:15 AM.

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#3 Steph_2.0

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Posted 04 May 2019 - 02:54 AM

I do it may 1st at 1h03 (french's time) during a test session with the 300 and my new camera...I have not seen anything special, it's happylimpet and saguaro who told me that there was something new in sky, and I had it, thanks guys!waytogo.gif

 

I am definitely a very bad astrophysicistfrown.gif frown.gif frown.gif lol.gif

 

Sharpcap, Hypercam 294mc,AsA coma corrector, 48x30s, darks and flats, Weiner Deconvolution on the fly.

 

sn_cn.jpg


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#4 GaryShaw

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Posted 04 May 2019 - 08:22 AM

Thanks everyone for posting these images. It’s exciting especially to see color changes day to day in this object. 

 

I’m interested to know how it was determined that this was a SN rather than a foreground star of which there are many in all of your images? I’m assuming there was an announcement by someone, or some organization, of the SN with accompanying images pointing out the before and after.....is that correct? Is there a website where SN or just Nova discoveries are announced?

 

Thank you for your postings

Gary



#5 descott12

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Posted 04 May 2019 - 09:00 AM

I do it may 1st at 1h03 (french's time) during a test session with the 300 and my new camera...I have not seen anything special, it's happylimpet and saguaro who told me that there was something new in sky, and I had it, thanks guys!waytogo.gif

 

I am definitely a very bad astrophysicistfrown.gif frown.gif frown.gif lol.gif

 

Sharpcap, Hypercam 294mc,AsA coma corrector, 48x30s, darks and flats, Weiner Deconvolution on the fly.

 

attachicon.gif sn_cn.jpg

Once again, I am amazed at your images. Awesome shot!  You really have your process nailed down!


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#6 saguaro

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Posted 04 May 2019 - 10:52 AM

A very fun challenge! I caught two supernovae last night. I used my 14Edge@F/7 (CCDT67 focal reducer) with ZWO1600MC-C camera, no filters, and SharpCap Pro 64-bit live stacking with master dark and master flat. Saved as viewed, then cropped and annotated, and reduced in size for posting here.

 

M100 supernova AT2019ehk,12x60sec

 

M100-supernova-AT2019ehk-12x60sec.jpg

 

SN2019edo in NGC4162, 6x60sec

 

SN2019edo-in-NGC4162-6x60sec.jpg


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#7 descott12

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Posted 04 May 2019 - 11:06 AM

A very fun challenge! I caught two supernovae last night. I used my 14Edge@F/7 (CCDT67 focal reducer) with ZWO1600MC-C camera, no filters, and SharpCap Pro 64-bit live stacking with master dark and master flat. Saved as viewed, then cropped and annotated, and reduced in size for posting here.

 

M100 supernova AT2019ehk,12x60sec

 

attachicon.gif M100-supernova-AT2019ehk-12x60sec.jpg

 

SN2019edo in NGC4162, 6x60sec

 

attachicon.gif SN2019edo-in-NGC4162-6x60sec.jpg

Your M100 is awesome and now a third SN (NGC4162) to go after!


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#8 Steph_2.0

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Posted 04 May 2019 - 11:59 AM

A very fun challenge! I caught two supernovae last night. I used my 14Edge@F/7 (CCDT67 focal reducer) with ZWO1600MC-C camera, no filters, and SharpCap Pro 64-bit live stacking with master dark and master flat. Saved as viewed, then cropped and annotated, and reduced in size for posting here.

 

M100 supernova AT2019ehk,12x60sec

 

attachicon.gif M100-supernova-AT2019ehk-12x60sec.jpg

 

SN2019edo in NGC4162, 6x60sec

 

attachicon.gif SN2019edo-in-NGC4162-6x60sec.jpg

Fantastic job, like all the pics of your astrobin's gallery, I've never seen anything so good, for me it's the reference, really!


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#9 saguaro

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Posted 04 May 2019 - 12:11 PM

Fantastic job, like all the pics of your astrobin's gallery, I've never seen anything so good, for me it's the reference, really!

Thanks! I'm very impressed with your work too! It's a fun time to be doing EAA, since the cameras and software have improved so much in the last few years!


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#10 DSO_Viewer

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Posted 04 May 2019 - 03:22 PM

Yesterday stack. 2 days ago supernova was whitish, yesterday more like yellow.

Magnitude droped by 0,5 mag too.

8 SCT, at F4 with RT IMX224. Saved as viewed in Sharpcap 3.2 pro.
Saturation - max

attachicon.gif Stack_23frames_690s.jpg
 

Which one is the supernova? It is not labeled please.

 

Steve



#11 DSO_Viewer

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Posted 04 May 2019 - 03:23 PM

I do it may 1st at 1h03 (french's time) during a test session with the 300 and my new camera...I have not seen anything special, it's happylimpet and saguaro who told me that there was something new in sky, and I had it, thanks guys!waytogo.gif

 

I am definitely a very bad astrophysicistfrown.gif frown.gif frown.gif lol.gif

 

Sharpcap, Hypercam 294mc,AsA coma corrector, 48x30s, darks and flats, Weiner Deconvolution on the fly.

 

attachicon.gif sn_cn.jpg

Again please no label, so I do not know which one is the supernova. Thank you.

 

Steve



#12 DSO_Viewer

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Posted 04 May 2019 - 03:24 PM

Pretty cool time to be viewing as there are several visible supernovas right now...or maybe this is just normal??

In any case, there were a few previous posts regarding the SNs in M100 and IC1056

 

https://www.cloudyni...va#entry9335326  - down near the bottom/most recent entries.

 

https://www.cloudyni...va#entry9337777

 

so I figured I would try to find them. I turns out they were easy. I have recently discovered how well my 178 MM camera works. I really like my 294 MC and that was my "go to" camera but the monochrome with smaller pixels seems to excel at these type of targets.

 

Stacked with SharpCap. Evo 8 + 178 MM + HyperStar

M100: 13.7 sec, gain 178, total time 3:39

IC1056: 11.3 sec, gain 213, total time 4:18

Nice Dave and thank you for labeling the SN.

 

Steve



#13 DSO_Viewer

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Posted 04 May 2019 - 03:25 PM

A very fun challenge! I caught two supernovae last night. I used my 14Edge@F/7 (CCDT67 focal reducer) with ZWO1600MC-C camera, no filters, and SharpCap Pro 64-bit live stacking with master dark and master flat. Saved as viewed, then cropped and annotated, and reduced in size for posting here.

 

M100 supernova AT2019ehk,12x60sec

 

attachicon.gif M100-supernova-AT2019ehk-12x60sec.jpg

 

SN2019edo in NGC4162, 6x60sec

 

attachicon.gif SN2019edo-in-NGC4162-6x60sec.jpg

Very cool and awesome work. Thank you.

 

Steve


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#14 Rickster

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Posted 04 May 2019 - 10:00 PM

Steph,

Weiner Deconvolution on the fly sounds like a good trick.  How are you doing it?



#15 Steph_2.0

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Posted 05 May 2019 - 08:12 AM

Steph,

Weiner Deconvolution on the fly sounds like a good trick.  How are you doing it?

It's a sharpening tool in the SharpCap's enhancement tab who apply a sharp effect on each frames and for sometimes a very good result (like the noise reduction on the fly)

wei.JPG

 

It's a fun time to be doing EAA, since the cameras and software have improved so much in the last few years!

as Saguaro said, software have improved, I 'm actually working on batch processing to apply some processing on the fly.

 

Here an exemple with a final stack saved as RAW32bit in Sharpcap, but it's better to apply processing on each frames. the animated image is in 256 colors so it's not very good

https://i44.servimg....27/algo_d10.gif

 

And here some results with processing applied on each frames with full color

https://i44.servimg....27/algo_310.jpg

 

https://i44.servimg....27/algo_210.jpg

 

https://i44.servimg....27/algo_110.jpg


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#16 Rickster

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Posted 05 May 2019 - 10:50 AM

Excellent.  Thanks.  I hadn't noticed that Sharpcap feature.



#17 saguaro

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Posted 05 May 2019 - 12:49 PM

Excellent.  Thanks.  I hadn't noticed that Sharpcap feature.

I've tried both Unsharp Mask and Weiner Deconvolution and I've found Unsharp Mask works better for me. The other method makes the live view appear dimmer. So I can recommend experimenting with each method to see what works best for you. The noise reduction and sharpening features in the "Enhancement" tab are processor-intensive. If you find SharpCap is crashing, try using the 64-bit version of SharpCap instead of the 32-bit version. (Just be aware that the 64-bit version supports fewer brands of cameras).


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#18 Todd1561

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Posted 06 May 2019 - 06:56 PM

This is so cool, I just happened to take a shot of M100 the other night before seeing this thread.  I never would have known that was a supernova vs. a background star.  Thanks for letting us know.

 

6” SCT, f/2.9, SharpCap Pro 3.2, ASI224, 95x10s, no calibration frames

m100sn.jpg


Edited by Todd1561, 06 May 2019 - 08:44 PM.

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#19 S1mas

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Posted 08 May 2019 - 11:04 AM

Yesterday stack. SN2019edo in NGC4162

Supernova is radical blue color at moment.

10x30s

8 SCT, at F4 with RT IMX224. Saved as viewed in Sharpcap 3.2 pro.
Saturation - max

 

Stack_10frames_300s.jpg


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#20 Ubuntu

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Posted 08 May 2019 - 11:38 AM

I'll post my M100 then... but nice to see there are other to chase :D

 

Manual Dobson XT10, IMX385 with FR, resultant F/D of 1.88, Sharpcap 3.2, no dark, no flat

 

M100: 104 frames, total of 52s:

Stack_104frames_52s_M100 CropSN.jpg


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#21 descott12

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Posted 14 May 2019 - 03:36 PM

Another supernova: SN 2019ein in NGC5353. Real easy to see.

Captured with SharpCap/Evo 8/178MM/Hyperstar with and IDAS LP P2 filter.

Exposure 8.4 sec, gain 256, total time 2:48 minutes.

Attached Thumbnails

  • NGC5353.png

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#22 arkosg

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Posted 15 May 2019 - 01:31 PM

Here is my M100 from a few days ago with an earlier version from a few of months back for comparison.

 

Both shots taken through a 5" refractor using a SX Trius 694 mono camera (1x1 binning); older image (TOP) 

4x25s, newer image (BOTTOM) 7x30s stacked "on the fly" with StarlightLive v 3.4 for the Mac.

 

Clear skies!

 

- Greg

Attached Thumbnails

  • M100.L.x.0.25_2019.3.13_01.10.45 - Version 2.jpg
  • M100.x.0.25.SUPERNOVA_2019.5.9_23.22.24 - Version 2.jpg

Edited by arkosg, 15 May 2019 - 06:12 PM.

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#23 descott12

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Posted 15 May 2019 - 01:44 PM

Here is my M100 from a few days ago with an earlier version from a few of months back for comparison.

 

Clear skies!

 

- Greg

That is really cool. It is amazing to think what was happening to create that little spot of light millions or billions of years ago.


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#24 Ubuntu

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Posted 29 May 2019 - 03:10 PM

NGC5353 laugh.gif

 

Manual Dobson XT10, IMX385 with FR, resultant F/D of 1.88, Sharpcap 3.2, no dark, no flat

Below is a crop of 24 frames. total 12s

 

Stack_24frames_12s_NGC5353 cropSN.jpg


Edited by Ubuntu, 30 May 2019 - 03:08 AM.

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#25 S1mas

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Posted 31 May 2019 - 01:24 AM

NGC 5243 with 2019fck

 

14x10s. CPC800 at F4 with uv/ir filter and RT IMX224

 

Stack_14frames_210s.jpg


Edited by S1mas, 31 May 2019 - 01:25 AM.

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