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 Supernovae - 2018

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Supernovae (2018)
 
  SN Name, type, discovery date, host
Bullet SN 2018kag - Type II Supernova (2018-12-17) in anonymous galaxy
Bullet SN 2018ivc - Type II Supernova (2018-11-24) in M77
   
  This page documents observations and images of supernova with discovery dates in 2018.
(Note: Some images may roll over into the following year)

SN 2018kag - Type II Supernova (discovered 2018-12-17) in anonymous galaxy

SN 2018kag (Hydra)
SN2018kag (Type II), discovered 2018/12/17.070 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
in  anonymous galaxy
 ( Rochester Site |  Discovery Image )

Supernova is shown in the image below by white cross-hairs.
Image (2019-01-03.025) was taken 17.0 days after discovery
Image
Annotated CCD Image (50% size)
120s exposure (single frame), 3x3 binning, C Filter
2019-01-03 00:36 UT (#647303)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
SN 2018kag - 2019-01-03 (T+17.0d)
Image (2019-01-03.025) was taken 17.0 days after discovery
Estimated Magnitude +16.6
(The bright star below the SN is  GSC 217:424 , mag +10.7)
Image
Annotated CCD Image (100% size, cropped)
Image details as above
  
Image
Annotated Negative CCD Image (200% size, cropped)
Image details as above

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SN 2018ivc - Type II Supernova (discovered 2018-11-24) in M77

M77 with SN 2018ivc (Perseus)
SN 2018ivc (Type II Supernova) was discovered 2018/11/24.074 by DLT40
 ( Rochester Supernova site |  K. Itagaki image )
Image below taken 10.8 days after discovery of SN 2018ivc
SN is just visible in image below (shown by white cross-hairs)
Image
Annotated CCD Image (100% size, cropped, logscale)
180s exposure (single frame), 3x3 binning, C Filter 
2018-12-04 20:12 UT ( 640059)
12" LX200R  (at f/10.4) + ST-10XME
 
SN 2018ivc - Image sequence
 from T-9.2y to T+39.9d
(SN discovery, T = 2018-11-24.074)
 
M77 - 2009-09-20 (T-9.2y)
Image below (2009-09-20.0.90) was taken 9.2 years before discovery of SN 2018ivc
Image 
CCD Image (200% size, log scale, cropped, unsharp masked)
10 x 60 sec (average combine),  3x3 binning, C Filter
2009-09-20 02:10 h UT  (#389443-52)
12" LX200R  (at f/5.7) + ST-10XME
 
M77 w/ SN 2018ivc - 2018-12-04 (T+10.8d)
Image below (2018-12-04.842) was taken 10.8 days after discovery of SN 2018ivc
SN is just visible in image below (shown by white cross-hairs)
Image
Annotated CCD Image (100% size, cropped, logscale)
180s exposure (single frame), 3x3 binning, C Filter 
2018-12-04 20:12 UT ( 640059)
12" LX200R  (at f/10.4) + ST-10XME
 
M77 w/ SN 2018ivc - 2018-12-24 (T+30.7d)
 Image below (2018-12-24.791) taken 30.7 days after discovery of SN 2018ivc
No positive indication of supernova (image either has nsufficient resolution
to resolve SN 208ivc or the supernova has faded too far to be seen
Image
Annotated CCD Image (100% size, cropped, logscale)
5 x 180s exposure (average combine), 3x3 binning, C Filter 
2018-12-24 18:59 UT (#644080-84)
12" LX200R  (at f/10.4) + ST-10XME
 
M77 with SN 2018ivc - 2019-01-02 (T+39.9d)
Image below (2019-01-02.942) was taken 39.9 days after discovery of SN 2018ivc
No positive indication of SN 2018ivc in this unsharp masked image  (12 mins total exposure)
SN has faded to below magnitude limits 
Image
CCD Image (100% size, cropped, logscale, unsharp masked)
4 x 120s exposure (average combine), 3x3 binning, C Filter
2019-01-02 22:36 UT (#647221-24)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 

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This Web Page: Supernovae - 2018
Last Updated : 2021-08-21
Site Owner : David Richards
Home Page : David's Astronomy Web Site