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Bubble Nebula (NGC7635) NB in SHO palette | by Carballada
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Bubble Nebula (NGC7635) NB in SHO palette



First image captured with the new dual rig configuration.

More than 56 hours of integration time. (Usually I am integrating 25 hours.. now dual rig :D is working ).


NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575.

The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. (Desc creditcs: Wikipedia)


Technical card

Imaging telescopes or lenses:Altair Astro RC250-TT 10" RC Truss Tube, Teleskop Service TS Photoline 107mm f/6.5 Super-Apo


Imaging cameras:ZWO ASI183MM-Cool, ZWO ASI1600MM-Cool


Mounts:Mesu 200 Mk2, Skywatcher EQ6R Pro


Guiding telescopes or lenses:Teleskop Service TSOAG9 Off-Axis Guider, Celestron OAG Deluxe


Guiding cameras:ZWO ASI174 Mini, ZWO ASI290 Mini


Focal reducers:Riccardi Reducer/Flattener 0.75x, Telescope-Service TS 2" Flattener


Software:Main Sequence Software Seqence Generator Pro, Pleiades Astrophoto PixInsight


Filters:Optolong OIII 6.5nm 36mm, Optolong SII 6.5nm 36mm, Astrodon HA 36mm - 5nm, Astrodon B Gen.2 E-series 36mm, Astrodon G Gen.2 E-series 36mm, Astrodon R Gen.2 E-series 36mm, Astrodon S-II 36mm - 5nm, Astrodon O-III 36mm - 5nm


Accessories:ZWO EFW, MoonLite NiteCrawler WR30, MoonLite CSL 2.5" Focuser with High Res Stepper Motor


Resolution: 2090x1760


Dates:Oct. 1, 2019, Oct. 11, 2019, Oct. 16, 2019, Oct. 18, 2019, Oct. 23, 2019, Oct. 28, 2019



Astrodon B Gen.2 E-series 36mm: 70x30" (gain: 75.00) -20C bin 1x1

Astrodon G Gen.2 E-series 36mm: 70x30" (gain: 75.00) -20C bin 1x1

Astrodon HA 36mm - 5nm: 162x600" (gain: 200.00) -20C bin 1x1

Optolong OIII 6.5nm 36mm: 83x600" (gain: 111.00) -15C bin 1x1

Astrodon R Gen.2 E-series 36mm: 70x30" (gain: 75.00) -20C bin 1x1

Astrodon S-II 36mm - 5nm: 82x600" (gain: 111.00) -15C bin 1x1


Integration: 56.2 hours


Avg. Moon age: 12.78 days


Avg. Moon phase: 51.26% job: 3037365


RA center: 350.189 degrees


DEC center: 61.178 degrees


Pixel scale: 1.007 arcsec/pixel


Orientation: 270.802 degrees


Field radius: 0.382 degrees


Locations: AAS Montsec, Àger, Lleida, Spain


Data source: Own remote observatory


Remote source: Non-commercial independent facility

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Uploaded on November 6, 2019