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 remote 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
Frames:
Astrodon B Gen.2 E-series 36mm: 85×120″ (gain: 183.00) -15C bin 1×1
Astrodon G Gen.2 E-series 36mm: 85×120″ (gain: 183.00) -15C bin 1×1
Astrodon L Gen.2 E-series 36mm: 186×180″ (gain: 75.00) -20C bin 1×1
Astrodon R Gen.2 E-series 36mm: 85×120″ (gain: 183.00) -15C bin 1×1
Integration: 17.8 hours
Avg. Moon age: 8.61 days
Avg. Moon phase: 2.77%
Astrometry.net 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: 1728×1667
Locations: AAS Montsec, Àger, Lleida, Spain
Data source: Own remote observatory
Remote source: Non-commercial independent facility
via Flickr https://flic.kr/p/2iZBP3m