香港天文論壇

http://www.virtualtelescope.eu/2014/05/22/supernova-psn-j121857714718113-m106-image-spectroscopy/ My imaging setup Time : 2014-05-27 14:09:16UT Telescope : C-14 f.l. 4324mm Camera : QHY22 (binning 4x4) Filter : UV-IR cutoff Exposure : 300sec total (10sec x10, 20sec x10) Mounting and guiding : CGE un...

http://www.k-itagaki.jp/psn-m82.jpg


Pre-discovery survey images indicate sudden brightening from mag 17 to 14.4 in just one day started as early as from 2014 Jan 14-15.

http://www.aavso.org/possible-supernova-m82 http://www.rochesterastronomy.org/supernova.html#PSNJ09554214+6940260 http://www.cbat.eps.harvard.edu/unconf/followups/J09554214+6940260.html http://spaceobs.org/images/TOCP/PSNJ09554214+6940260-20140122.png I reviewed my single up-processed H-alpha image ...

Enhanced the image to reveal a bit more of the hidden details.

Time : 2013-07-29 to 08-08
Camera : QHY22
Filter : Ha - 5nm
Exposure : Total 8 hours
Telescope : Celestron 14 SCT at 4324mm focal length
Mount & tracking : CGE with QHY5L-II OAG
Location : ZhongShan, GuangDong, China

Info ref : http://apod.nasa.gov/apod/ap090124.html

Time : 2013-08-05 to 08-12
Camera : QHY22
Filter : Ha - 5nm
Exposure : Total 6 hours
Telescope : Celestron 14 SCT at 4324mm focal length
Mounting & tracking : CGE with OAG
Location : ZhongShan

http://apod.nasa.gov/apod/ap111126.html

Time : 2013-07-31 UT19:30:12
Camera : QHY22
Filter : UV/IR
Exposure : 20 x 120sec
Telescope : Celestron 14 SCT at 4324mm focal length
Mounting & tracking : CGE with OAG
Location : ZhongShan

Wah!

I already got one from TaoBao.

Please reserve one for me. PM payment method.