Supernova in M101

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Supernova in M101

#1

Post by smp »


From AAVSO:

SN 2023ixf in M101

https://www.aavso.org/sn-2023ixf-m101

Oh, boy!

smp
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Re: Supernova in M101

#2

Post by Juno16 »


Wow, Stephen, that is awesome!

Have you run across any images?????

Thanks!
Jim

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Re: Supernova in M101

#3

Post by helicon »


Amazing....
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Re: Supernova in M101

#4

Post by messier 111 »


thx .
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Re: Supernova in M101

#5

Post by Ylem »


Cool stuff!
Clear Skies,
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Re: Supernova in M101

#6

Post by smp »


Jim, I have not yet seen any images. I'm hoping this is the early stage.
Of course I have rain today and tonight, but as soon as I can, I'm going to be out there looking for myself!

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Re: Supernova in M101

#7

Post by Juno16 »


smp wrote: Sat May 20, 2023 8:42 pm Jim, I have not yet seen any images. I'm hoping this is the early stage.
Of course I have rain today and tonight, but as soon as I can, I'm going to be out there looking for myself!

smp

Yes, brand spanking new! Discovered yesterday by Koichi Itagaki.
My skies have been poor for a month. I would really like to image a supernova. Maybe I’ll get lucky!
Thanks again for posting this Stephen!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
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Re: Supernova in M101

#8

Post by sdbodin »


Juno16 wrote: Sat May 20, 2023 2:19 pm Wow, Stephen, that is awesome!

Have you run across any images?????

Thanks!
Try this :
https://www.wis-tns.org/system/files/co ... 023ixf.jpg

Steve
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Re: Supernova in M101

#9

Post by Juno16 »


Cool!

I sure hope that I get a chance to image this beauty!

Thanks Steve!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
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Re: Supernova in M101

#10

Post by ScopeJunkie »


I’d rank imaging a supernova almost as high as discovering an exoplanet.
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Re: Supernova in M101

#11

Post by smp »


sdbodin wrote: Sat May 20, 2023 10:15 pm
Juno16 wrote: Sat May 20, 2023 2:19 pm Wow, Stephen, that is awesome!

Have you run across any images?????

Thanks!
Try this :
https://www.wis-tns.org/system/files/co ... 023ixf.jpg

Steve
Thanks a million, Steve! Now I will be clear about what I'm looking for - up until it gets more obvious.

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Re: Supernova in M101

#12

Post by chris_g »


I imaged M101 last month over several days. My obsy's first light session, I was planning to pull up the data today. I was using the C8 @ 1560mm with a stock T3i and no filters.

Maybe I caught something???
Last edited by chris_g on Sun May 21, 2023 4:58 pm, edited 1 time in total.
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Re: Supernova in M101

#13

Post by Michael131313 »


Thanks for the post. Hope you guys can get some images for us to see. Good luck and thanks again.
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Re: Supernova in M101

#14

Post by KathyNS »


It is supposed to be clear tomorrow night. I'm going to give it a go. It will be at the top of my imaging list.

I got an image of the last SN in M-101, back in 2011. The photo is crap - it was one of my first images, and definitely my first SN - but it is good as documentation.

sn2011fe:
SN 2011fe.jpg
Image
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Re: Supernova in M101

#15

Post by chris_g »


sdbodin wrote: Sat May 20, 2023 10:15 pm
Juno16 wrote: Sat May 20, 2023 2:19 pm Wow, Stephen, that is awesome!

Have you run across any images?????

Thanks!
Try this :
https://www.wis-tns.org/system/files/co ... 023ixf.jpg

Steve
Now I know where to look in my data, thank you! The limiting magnitude of the C8 is 14 and the magnitude of the super nova was 14.9. I can barely see the star in the stacked image with no processing, but it is there. The sensor temperature of the T3i was over 90F, I'll be putting the SC405CC on it next clear night but who knows when that might be. I'll be putting the image up from the T3I once I've figured out processing with my limited ski8lset for processing nebulae and galaxies to make it look halfway decent
KathyNS wrote: Sun May 21, 2023 5:23 pm It is supposed to be clear tomorrow night. I'm going to give it a go. It will be at the top of my imaging list.

I got an image of the last SN in M-101, back in 2011. The photo is crap - it was one of my first images, and definitely my first SN - but it is good as documentation.

sn2011fe:

SN 2011fe.jpg
Good luck Kathy, I can't wait to see what you do!
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Re: Supernova in M101

#16

Post by kt4hx »


I am at our dark site house this evening, and this object is at the top of my list for visual observation. I also plan to tackle a couple of much dimmer SNe in a couple of galaxies in Virgo. The one in M101 is certainly causing a buzz, and the last magnitude I've seen listed for it is 11.9, so its certainly coming up nicely. Good luck to those observing/imaging this fine target. Remember, you are seeing an individual star within a galaxy that lies at about 21 MLY distance. So we are watching an event unfold from 21 million years ago - heady stuff.
Alan

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Re: Supernova in M101

#17

Post by Juno16 »


kt4hx wrote: Sun May 21, 2023 10:56 pm I am at our dark site house this evening, and this object is at the top of my list for visual observation. I also plan to tackle a couple of much dimmer SNe in a couple of galaxies in Virgo. The one in M101 is certainly causing a buzz, and the last magnitude I've seen listed for it is 11.9, so its certainly coming up nicely. Good luck to those observing/imaging this fine target. Remember, you are seeing an individual star within a galaxy that lies at about 21 MLY distance. So we are watching an event unfold from 21 million years ago - heady stuff.

Heady stuff indeed!
Good viewing tonight Alan!
Very much looking forward to seeing your report!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
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Re: Supernova in M101

#18

Post by kt4hx »


While my overall observing report is still being worked on, I will post about SN2023ixf here as well. I did observe it last night at the dark site with the 17.5 inch using 94x and 152x. The conditions were not great by any means, and I really do believe that smoke from the Canadian fires were messing up the sky. I was aware of the situation, but did not check on that specifically beforehand. Anyway, here is what I saw last night.

SN2023ixf (Ursa Major, supernova in galaxy, listed mag~11.9, listed type=II):
Quickly acquiring Alcor and Mizar in the Dipper’s handle, I began my star hop eastward using the 8x50 RACI optical finder. Just over 5.5° east of the famous stellar duo I located the face-on grand design spiral Messier 101. Using close-up charts and images of the supernova location I had printed I oriented myself to the layout. This exploding star is located immediately SSW of the star cloud within M101, designated as NGC 5461. Using he statr pattern close to the SN, I easily identified the target star. Trying to gauge its brightness, I compared it to stars within the field, and found it brighter than the listed 11.9 found here - https://www.physics.purdue.edu/brightsu ... rnova.html. I did compare it to a mag 10.32 star about 20’ southeast of the SN, and found SN2023ixf dimmer by approximately half a magnitude or perhaps just slightly more. So I would put it somewhere between 10.8 and 11.0. Observation was done at 94x and 152x. I did take a second look at it later when I was wrapping up my evening. It was quite obvious and as long as one knows where to look, it is easy to spot.
Alan

Scopes: Astro Sky 17.5 f/4.5 Dob || Apertura AD12 f/5 Dob || Zhumell Z10 f/4.9 Dob ||
ES AR127 f/6.5 || ES ED80 f/6 || Apertura 6" f/5 Newtonian
Mounts: ES Twilight-II and Twilight-I
EPs: AT 82° 28mm UWA || TV Ethos 100° 21mm and 13mm || Vixen LVW 65° 22mm ||
ES 82° 18mm || Pentax XW 70° 10mm, 7mm and 5mm || barlows
Filters (2 inch): DGM NPB || Orion Ultra Block, O-III and Sky Glow || Baader HaB
Primary Field Atlases: Uranometria All-Sky Edition and Interstellarum Deep Sky Atlas
---------------------------------------------------------------------------
"Astronomers, we look into the past to see our future." (me)
"Seeing is in some respect an art, which must be learnt." (William Herschel)
"What we know is a drop, what we don't know is an ocean." (Sir Isaac Newton)
"No good deed goes unpunished." (various)
Some people without brains do an awful lot of talking, don't you think?” (Scarecrow, The Wonderful Wizard of Oz)
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Re: Supernova in M101

#19

Post by Juno16 »


kt4hx wrote: Mon May 22, 2023 9:59 pm While my overall observing report is still being worked on, I will post about SN2023ixf here as well. I did observe it last night at the dark site with the 17.5 inch using 94x and 152x. The conditions were not great by any means, and I really do believe that smoke from the Canadian fires were messing up the sky. I was aware of the situation, but did not check on that specifically beforehand. Anyway, here is what I saw last night.

SN2023ixf (Ursa Major, supernova in galaxy, listed mag~11.9, listed type=II):
Quickly acquiring Alcor and Mizar in the Dipper’s handle, I began my star hop eastward using the 8x50 RACI optical finder. Just over 5.5° east of the famous stellar duo I located the face-on grand design spiral Messier 101. Using close-up charts and images of the supernova location I had printed I oriented myself to the layout. This exploding star is located immediately SSW of the star cloud within M101, designated as NGC 5461. Using he statr pattern close to the SN, I easily identified the target star. Trying to gauge its brightness, I compared it to stars within the field, and found it brighter than the listed 11.9 found here - https://www.physics.purdue.edu/brightsu ... rnova.html. I did compare it to a mag 10.32 star about 20’ southeast of the SN, and found SN2023ixf dimmer by approximately half a magnitude or perhaps just slightly more. So I would put it somewhere between 10.8 and 11.0. Observation was done at 94x and 152x. I did take a second look at it later when I was wrapping up my evening. It was quite obvious and as long as one knows where to look, it is easy to spot.

I have been anticipating your report Alan!

Great catch! Your viewing description and magnitude estimates are very helpful. This SN must be brilliant!

I would love to catch an image, but my skies have been poor for over a month. Maybe I will get lucky before the moon swamps the scene.

Take care Alan and thanks a bunch for a very enjoyable report and impression!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
Dog and best bud: Jack
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Re: Supernova in M101

#20

Post by helicon »


Certainly looking forward to the report Alan. Great that you were able to observe it. I wonder if it is going to get any brighter than magnitude 10.9 or so?
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
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