ASTROBIN:image du jour le 09-02-19

APOD Grag du 24-06-19

Astrosurf magazine n°100 du 09/2019

SH2 224  dans la constelllation du Cocher

Matériels:

Télescope Astrosib 506mm 20" à F/2.8

Monture Astrosib FM 700  (encodeurs absolus) 

Caméra  Moravian G4 16003      poses de 5mn à -30°C

The Skyx pro+ Pixinsight +Photoshop

Filtres Ha=8nm  +OIII=8nm +SII=8nm

 Prise de vue:Ha=17h45mn + OIII=4h30mn + SII=3h30mn Total =25h45mn

 Date de prise de vue: Février 2019

Lieu:Fregenal de la Sierra (Espagne) télescope en remote: www.e-eye.es

 Full image

(https://www.flickr.com/photos/145132004@N07/46944304264/in/datetaken-public/)

Présentation

This object has a very strange shape that shows up well with a long exposure as it is very faint. The hydrogen-alpha filter seems to work best because of the high contrast the filter offers. This is a small object so any size telescope will work well but the larger aperture will show the fine detailed structure the object has.