Sh2-119 Emission Nebula HaRGB

4 panel mosaic.

 

Imaged over 17 nights in June and July 2018, near Cambridge UK.

 

Image Details:

40 hours 5 mins total exposure.

57 x 300s Red 1x1 (4 hours 45mins)

49 x 300s Green 1x1 (4 hours 5mins)

47 x 300s Blue 1x1 (3 hours 55mins)

82 x 1200s Ha (27 hours 20m)

 

Scope - Altair Astro Wave Series 115mm Refractor, Planostar 0.79x reduced to 642mm/F5.54.

Sensor - Atik 383l+ Mono CCD + Baader Ha and RGB filters. -20degC.

Scale - 1.73 arcsec/pixel.

 

Mount - Altair Astro Pier mounted iOptron CEM60.

Guiding - Lodestar X2 and SX OAG with PHD2.

Sequence Generator Pro

PixInsight and AstroPixelProcessor (mosaic construction).

 

Thanks for looking.

Done