Wide field at 336mm combined with 642mm
Imaged over 5 nights, near Cambridge UK.
23rd, 25th and 27th March 2020.
18th July and 8th August 2016.
Image Details:
23 hours 55 mins total exposure.
65 x 300s
32 x 1200s
33 x 300s OIII 1x1 336mm (2 hours 45mins)
17 x 1200s OIII 1x1 642mm (5 hours 40mins)
53 x 300s SII 1x1 336mm (4 hours 25mins)
Scope - Altair Astro Wave Series 115mm Refractor, Planostar 0.79x reduced to 642mm/F5.54.
Sensor - Atik 383l+ Mono
Scale - 1.73 arcsec/pixel.
Scope - Altair Astro 70EDT-F 70mm triplet refractor, 0.8x field flattener for focal length of 336mm @ F4.8.
Sensor - Altair 1600M Hypercam + Baader
Scale - 2.33 arcsec/pixel.
Mount - Altair Astro Pier mounted iOptron CEM60.
Guiding - Lodestar X2 and SX
Sequence Generator Pro and PixInsight.
Thanks for looking.