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Showing most liked content on 05/21/2020 in all areas

  1. 1 point
    Data captured between 27/04 & 03/05, 4 hrs total. Object:NGC 3766 Object Info: NGC 3766 is an open star cluster in the southern constellation Centaurus. It is located in the vast star-forming region known as the Carina molecular cloud, and was discovered by Nicolas Louis de Lacaille during his astrometric survey in 1751–1752. At a distance of about 1745 pc, the cluster subtends a diameter of about 12 minutes of arc. There are 137 listed stars, but many are likely non-members, with only 36 having accurate photometric data. Total apparent magnitude of 5.3 and integrated spectral type of B1.7. NGC 3766 is relatively young that is estimated as log (7.160) or 14.4 million years, and approaching us at 14.8 km/s. This cluster contains eleven Be stars, two red supergiants and four Ap stars. 36 examples of an unusual type of variable star were discovered in the cluster. These fast-rotating pulsating B-type stars vary by only a few hundredths of a magnitude with periods less than half a day. They are main sequence stars, hotter than δ Scuti variables and cooler than slowly pulsating B stars. Number of Subs: L 60 , R 60 , G 60 , B 60 Sub Length: 60 sec Total Integration Time: 4 Hrs Date Captured: 27/04/2020 & 03/05/2020 Imaging Camera: Moravian G2 2000 Imaging Telescope: GSO RC8 CF Reducer: no Focal Length: 1625 Image Scale: 0.94 arcsec/pixel Field of View: 19 x 25 arcmin Mount: Ioptron CEM60 Guide Scope: Orion ST80 Guide Camera: Prostar LP colour (toupcam) Capture Software: Voyager Guide Software: PHD Guiding 2 Processing Software: PixInsight Shane
  2. 1 point
    Well done Prof. Ray
  3. 1 point
    Wow Prof, that is quite incredible. Ray
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