Discovered by
Zwicky Transient Facility (ZTF)
(USA).
This one is a Type Ia.
We have a Photometry reference image
made by JM Llapasset.
This supernova is in the
Constellation Coma Berenices.
Supernovae 2021J in NGC 4414
This page is devoted to information on Supernova 2021J in NGC 4414. Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page. Information on the original web pages for many of these images can be found on the links web page.
Discovered by
Zwicky Transient Facility (ZTF)
(USA).
This one is a Type Ia.
We have a Photometry reference image
made by JM Llapasset.
This supernova is in the
Constellation Coma Berenices.
The following is a list of images of this SN, in chronological order. Click on the name in the "Image Credit" column to see the image. Times and dates are in UT unless otherwise noted. If you know of any others, please tell me!
| Image Credit | Date | Mag | Filter | Comments |
|---|---|---|---|---|
| Jean-Claude Merlin | 2021/01/08.368 | 13.8 | C | |
| Paolo Campaner | 2021/01/12.114 | 12.9 | C | |
| Jean-Claude Merlin | 2021/01/13.399 | 12.8 | C | |
| Jean-Claude Merlin | 2021/01/15.544 | 12.5 | C | |
| Jean-Claude Merlin | 2021/01/16.397 | 12.6 | C | |
| Simone Bolzoni | 2021/01/20.160 | 12.5 | V | |
| Jean-Claude Merlin | 2021/01/22.372 | 12.4 | C | |
| Koichi Itagaki | 2021/01/22.723 | 12.4 | C | |
| Enrico Prosperi | 2021/01/27.092 | 14.2 | CR | |
| Jean-Claude Merlin | 2021/01/29.394 | 13.1 | C | |
| Giovanni Calapai | 2021/02/03.979 | C | ||
| Jean-Claude Merlin | 2021/02/05.340 | 13.5 | C | |
| Jean-Claude Merlin | 2021/02/08.510 | 13.7 | C | |
| Mathieu Chauveau | 2021/02/10.972 | C | ||
| Jean-Claude Merlin | 2021/02/11.469 | 14.0 | C | |
| Gianluca Masi | 2021/02/11.974 | 13.1 | R | |
| Florian Riemer | 2021/02/13.000 | C | marked image wide field image source page | |
| Manfred Mrotzek | 2021/02/13.080 | C | ||
| Gerhard Rammes | 2021/02/21.000 | C | color | |
| Jim Johnston | 2021/02/22.000 | C | color | |
| Jean-Claude Merlin | 2021/02/22.293 | 14.6 | C | |
| Jean-Claude Merlin | 2021/03/03.308 | 14.9 | C | |
| Gerhard Rammes | 2021/03/06.000 | C | color | |
| Yuji Tanaka | 2021/03/14.592 | C | ||
| Felipe Peņa | 2021/03/15.388 | C | ||
| Enrico Prosperi | 2021/03/16.000 | C | ||
| Enrico Prosperi | 2021/03/16.000 | C | ||
| Jean-Claude Merlin | 2021/05/17.236 | C | ||
| Enrico Prosperi | 2021/06/03.832 | C |
Light curves and Spectra:
If you have observations of this Supernova, please send them to vsnet-obs
