Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  NGC 6946
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Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
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Supernova SN 2017eaw and NGC 6946

Getting plate-solving status, please wait...
Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
Powered byPixInsight

Supernova SN 2017eaw and NGC 6946

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Description

Edit note 29 Nov-2022. Please also check out image revision "F", thanks.

22-5-2017: Here's the closeup picture version. In total ~ 7 hours of exposure time. It is composed as a LUM,RHa,G,B picture.

https://www.dropbox.com/s/p46m58g79fq6im2/NGC6946-CloseUp-LumHaRedGreenBlue-7hours1000.jpg?dl=0

Came out observing 19->20 May-2017.

A Lum picture that covers this event: Supernova SN 2017eaw and NGC 6946.

WO FLT-110, Atik 460ex mono exposures: 27x180sec, where the center part (the galaxy) was merged with the/a 16" SCT Lum picture, (16" SCT, ZWO asi1600mm cool and Atik 460ex mono picture link to be added soon).

Here it is, exposure in total : 34x120sec + 144x30sec.

https://www.dropbox.com/s/6ytmiytg96aqfsc/NGC6946-Lum-12-13Sep-2016MergeSupernovaMay-2017-APS-Size70pct.jpg?dl=0

An gif animation, 2 Lum pictures, that covers the 'before' and 'after' event, is shown here,

https://www.dropbox.com/s/r193krzbkg939y3/NGC6946-Lum12-13Sep-2016-19May-2017-Supernova.gif?dl=0

My supernova picture can also be seen on this Danish astro forum,

http://astro-forum.dk/forum_posts.asp?TID=16869&PID=165500#165500

My home build observatory is placed in my front yard/in the "red light" polution zone, have a look here,

Red Zone

Kind regards Niels

Comments

Revisions

  • Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
    Original
  • Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
    B
  • Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
    C
  • Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
    D
  • Final
    Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
    E
  • Supernova SN 2017eaw and NGC 6946, Niels V. Christensen
    F

B

Description: Color data, Ha, R, G and B added.
WO FLT-110/Atik 460 ex mono R,G,B exposure = 3x20x180sec.
16" SCT/ZWO asi1600mm cool R,G,B exposure = 3x30x120sec. Ha exposure = 12x300sec. Kind regards Niels

Uploaded: ...

C

Description: The 16" SCT picture now added below the WF picture. Raw data/frames for the two pictures were taken in parallel. The closeup picture is composed as a Lum,RHa,G,B version. Total exposure time ~ 7 hours. Kind regards Niels

Uploaded: ...

D

Description: For the closeup picture I changed the colors and I used also the lowest Lum FWHM's stack to improve the look of the galaxy. Kind regards Niels

Uploaded: ...

E

Description: WO FLT-110/Atik 460 ex mono Lum/Ha total exposure = 79x180sec/9x600sec and 16" SCT/ZWO asi1600mm cool total Ha exposure = 30x300sec added.
Kind regards Niels

Uploaded: ...

F

Description: Supernova "Gif" file that show the location. Two images, 12-13 Sep-2013 & 19 May-2017.

Uploaded: ...

Sky plot

Sky plot

Histogram

Supernova SN 2017eaw and NGC 6946, Niels V. Christensen