Tadpole Galaxy (Arp 188) from Paris

[Dan_Paris]

Hello everyone,

 

The tadpole galaxy, with its long tidal arm, is well-known from the iconic HST picture. Here is my version from the suburbs of Paris, under a nearly full moon, with my 8" f/4 astrograph. 

 

Cropped version :

 

Full field picture:

 

 

Thanks for looking,

 

Dan

 

Technical data

200/800 custom Newtonian astrograph with Romano Zen optics and carbon fiber tube
AP900 CP4 mount on Losmandy HD tripod
TS 2.5" Riccardi-Wynne corrector
ASI183mm + ZWO LRGB filters
Guiding : ZWO OAG  + ASI120mm mini + AsiairV1
Luminance : 140 *60sec at -10°C
Chrominance : 20*60sec at -10°C for R and B channel, synthetic G
Darks, flats and synthetic biases
Conditions : Bortle 7 skies in Paris' suburbs (20km from the Eiffel tower), mediocre seeing (2.8" after stacking), gibbous moon.
Preprocessing and stacking with Siril, processing with Pixinsight and Rawtherapee