new icn messageflickr-free-ic3d pan white
Whale Herring Galaxy (NGC4631) | by Carballada
Back to photostream

Whale Herring Galaxy (NGC4631)


NGC 4631 (also known as the Whale Galaxy or Caldwell 32) is a barred spiral galaxy located at 30 millions light year away in the constellation Canes Venatici.


More than 17 hours of integration on a new try to show all possible details with my equipment.


It's the last target before the COVID situation and before to stop all remote activities on the observatory, because just in case...


Technical card

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


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


Mounts:Skywatcher EQ6R Pro , Mesu 200 Mk2


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


Guiding cameras:ZWO ASI290 Mini , ZWO ASI174 Mini


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


Software:Pleiades Astrophoto PixInsight , Seqence Generator Pro


Filters:Astrodon R Gen.2 E-series 36mm , Astrodon G Gen.2 E-series 36mm , Astrodon B Gen.2 E-series 36mm , Astrodon L Gen.2 E-series 36mm


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


Dates:Feb. 23, 2020 , Feb. 24, 2020 , Feb. 25, 2020 , Feb. 26, 2020



Astrodon B Gen.2 E-series 36mm: 85x120" (gain: 183.00) -15C bin 1x1

Astrodon G Gen.2 E-series 36mm: 85x120" (gain: 183.00) -15C bin 1x1

Astrodon L Gen.2 E-series 36mm: 186x180" (gain: 75.00) -20C bin 1x1

Astrodon R Gen.2 E-series 36mm: 85x120" (gain: 183.00) -15C bin 1x1


Integration: 17.8 hours


Avg. Moon age: 8.61 days


Avg. Moon phase: 2.77% job: 3501139


RA center: 12h 42' 7"


DEC center: +32° 33' 16"


Pixel scale: 1.007 arcsec/pixel


Orientation: -179.913 degrees


Field radius: 0.336 degrees


Resolution: 1728x1667


Locations: AAS Montsec, Àger, Lleida, Spain


Data source: Own remote observatory


Remote source: Non-commercial independent facility

186 faves
Uploaded on May 10, 2020