Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: The Thing on Sep 20, 2023, 12:35:52

Title: M45 from SQM 21.65, Saint-Estephe, France
Post by: The Thing on Sep 20, 2023, 12:35:52
Old Favourite, but this time you need your sun glasses!

54 x 120s = 1h48m, Gain 1601, Offset 30, Temp 0C.
Image date, time and location:   23-09-14 01:00 Saint-Estephe, France
Telescope aperture and focal ratio:   TS1506UNC f4, TS GPU Coma Corrector
Camera and filters used:   QHY294PROC OSC, Optolong UV/IR
Processing applied:   PixInsight, Affinity Photo 2

And yes, the collimation is atrocious.


Click for full size
(https://gallery.orpington-astronomy.org.uk/albums/userpics/10050/normal_M_45_SCC_Bx_Asinh_GHS_SCNR.jpg) (https://gallery.orpington-astronomy.org.uk/albums/userpics/10050/M_45_SCC_Bx_Asinh_GHS_SCNR.jpg)
Title: Re: M45 from SQM 21.65, Saint-Estephe, France
Post by: Carole on Sep 20, 2023, 16:03:22
This is one target where diffraction spikes should be called distraction spikes lol.

Shame it was too big for the FOV though. 
Title: Re: M45 from SQM 21.65, Saint-Estephe, France
Post by: MarkS on Sep 21, 2023, 22:36:24
Wow, that's a really vibrant Pleiades!

I love those diffraction spikes.
Title: Re: M45 from SQM 21.65, Saint-Estephe, France
Post by: garrick on Sep 22, 2023, 06:08:37
Beautiful.
Title: Re: M45 from SQM 21.65, Saint-Estephe, France
Post by: The Thing on Sep 22, 2023, 09:24:58
Thanks all.
Title: Re: M45 from SQM 21.65, Saint-Estephe, France
Post by: Dave A on Sep 22, 2023, 19:46:03
Duncan

Amazing- yes need the sun glasses  8)