Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: The Thing on Feb 12, 2023, 11:35:51

Title: Flaming Horsehead
Post by: The Thing on Feb 12, 2023, 11:35:51
Gosh :cheesy: The lack of streetlights after 21:30 here in France :twisted: has really made a difference, never knew all that faint stuff was there. And I realised that the GSH stretch was the same as the stretch facilities in DeepSkyStacker that I've been using for years, just different terminology and a much better implementation.

Acquisition: NINA 49x240s (3 1/4 Hours), Gain 120, Offset 4, Temp -5c
Processing-
PixInsight: WBPP drizzle 1x drop size 0.9, autocrop, SCC, ABE, EZDecon, EZDenoise, GSHx2, EZStarReduction
Affinity 2: Gaussian Blur 0.4 radius, Clarity 33%, Shadows and Highlights - 23, 79, -42, 67

Image date, time and location: 2023-02-08, Manche, France
Telescope aperture and focal ratio: TS1506UNC Newtonian, TSGPU Coma Corrector, f4 Fl 602mm
Camera and filters used: ZWO ASI294MC Pro, Optolong lEnhance dual band filter
Processing applied: Pixinsight, Affinity Photo 2

Click for Full Size
(http://gallery.orpington-astronomy.org.uk/albums/userpics/10050/normal_Horsehead_drizzle_1x_autocrop_SCC_ABE_EZDecon_EZDenoise_GSHx2_EZStarRed.jpg) (http://gallery.orpington-astronomy.org.uk/albums/userpics/10050/Horsehead_drizzle_1x_autocrop_SCC_ABE_EZDecon_EZDenoise_GSHx2_EZStarRed.jpg)
Title: Re: Flaming Horsehead
Post by: Rick on Feb 12, 2023, 20:58:21
Yay for turning off streetlights!
Title: Re: Flaming Horsehead
Post by: Carole on Feb 13, 2023, 09:36:43
A good result Duncan, (bit pink for my taste), but loads of detail.  Yes narrowband has a tendency to show up stuff that OSC doesn't.

Do you have any idea of your Bortle scale without the lights?

Carole
Title: Re: Flaming Horsehead
Post by: Roberto on Feb 13, 2023, 11:44:25
Very nice Duncan! 👍  Those bright stars are difficult to control and you have done very well.

Roberto