ptsouth97(25)•in #steemstem•2519 days agoSwan SongFigure 1. Henrietta Swan Leavitt. Credit: (Johnson 2005) Henrietta Swan Leavitt was born on the Fourth of July in 1868 in Lancaster Massachusetts to George Rosw...192$0.01ptsouth97(25)•in steemstem•2519 days agoSwan SongFigure 1. Henrietta Swan Leavitt. Credit: (Johnson 2005) Henrietta Swan Leavitt was born on the Fourth of July in 1868 in Lancaster Massachusetts to George Rosw...192$0.01
ptsouth97(25)•in #steemstem•2519 days agoUsing Stellarium to Control a TelescopeOne of the most awesome features of modern amateur telescopes is that they can connect with a computer to allow control by a wide assortment of software. Planet...121$0.00ptsouth97(25)•in steemstem•2519 days agoUsing Stellarium to Control a TelescopeOne of the most awesome features of modern amateur telescopes is that they can connect with a computer to allow control by a wide assortment of software. Planet...121$0.00
ptsouth97(25)•in #steemstem•2521 days agoBinningFigure 1. Examples of binning. Credit: Templeton & Beck 2014 Binning groups pixels together which has the effect of making the group appear as a bigger single p...122$0.01ptsouth97(25)•in steemstem•2521 days agoBinningFigure 1. Examples of binning. Credit: Templeton & Beck 2014 Binning groups pixels together which has the effect of making the group appear as a bigger single p...122$0.01
ptsouth97(25)•in #steemstem•2521 days agoImage calibrationImage calibration is simply the removal of the anomalies from the camera sensor and imperfections in the optical pathway. When taking astronomical pictures, thi...182$0.02ptsouth97(25)•in steemstem•2521 days agoImage calibrationImage calibration is simply the removal of the anomalies from the camera sensor and imperfections in the optical pathway. When taking astronomical pictures, thi...182$0.02
ptsouth97(25)•in #steemstem•2522 days agoNew twist on classical novaeWe've all heard of a supernova, but what about classical novae? These close astronomical cousins are similar in many ways. They both involve a close binary syst...951$0.01ptsouth97(25)•in steemstem•2522 days agoNew twist on classical novaeWe've all heard of a supernova, but what about classical novae? These close astronomical cousins are similar in many ways. They both involve a close binary syst...951$0.01
ptsouth97(25)•in #steemstem•2523 days agoJupiter-sized exoplanet detectedDavid et al. 2019 recently reported the detection of exoplanet V1298 Tau b. The first part of the name (i.e., V1298 Tau) represents the 1298th variable star fou...3532$1.26ptsouth97(25)•in steemstem•2523 days agoJupiter-sized exoplanet detectedDavid et al. 2019 recently reported the detection of exoplanet V1298 Tau b. The first part of the name (i.e., V1298 Tau) represents the 1298th variable star fou...3532$1.26
ptsouth97(25)•in #steemstem•2524 days agoMultipolar Planetary NebulaNo, planetary nebulae have nothing to do with planets. Instead, these are low and intermediate mass stars in the senior citizen phase of their lives. After they...2332$0.84ptsouth97(25)•in steemstem•2524 days agoMultipolar Planetary NebulaNo, planetary nebulae have nothing to do with planets. Instead, these are low and intermediate mass stars in the senior citizen phase of their lives. After they...2332$0.84
astromaniac(25)•in #steemstem•2525 days agoSaturn - an amazing planet!I will describe for you this time the 6th planet of our Solar System. My favorite! Saturn has a lot to do with Jupiter, but the great ring system makes it unmis...3413$0.62astromaniac(25)•in steemstem•2525 days agoSaturn - an amazing planet!I will describe for you this time the 6th planet of our Solar System. My favorite! Saturn has a lot to do with Jupiter, but the great ring system makes it unmis...3413$0.62
ptsouth97(25)•in #steemstem•2526 days agoMysterious "bullets" from V HyaFigure 1. The carbon star V Hya displaying a "bullet", a collimated jet-like emission from its center of mass. Credit: Sahai et al. 2016 V Hya is a carbon star ...3194$0.53ptsouth97(25)•in steemstem•2526 days agoMysterious "bullets" from V HyaFigure 1. The carbon star V Hya displaying a "bullet", a collimated jet-like emission from its center of mass. Credit: Sahai et al. 2016 V Hya is a carbon star ...3194$0.53
ptsouth97(25)•in #steemstem•2527 days agoLinearity testingFigure 1. CCD bucket analogy. Credit: Howell 2006 Each pixel of a CCD sensor is like a bucket, but instead of collecting rain water, these buckets collect elect...3862$0.61ptsouth97(25)•in steemstem•2527 days agoLinearity testingFigure 1. CCD bucket analogy. Credit: Howell 2006 Each pixel of a CCD sensor is like a bucket, but instead of collecting rain water, these buckets collect elect...3862$0.61
ptsouth97(25)•in #steemstem•2528 days agoTECMOOne of my goals this year is to build a remote observatory for astronomical imaging equipment: The Elizabeth Crosby Memorial Observatory (TECMO). This blog will...4224$0.99ptsouth97(25)•in steemstem•2528 days agoTECMOOne of my goals this year is to build a remote observatory for astronomical imaging equipment: The Elizabeth Crosby Memorial Observatory (TECMO). This blog will...4224$0.99
ptsouth97(25)•in #steemstem•2528 days agoThe Puzzle of PolarisAs our compass to the north, Polaris is one of the most famous stars in the night sky. However, in a recently accepted article to Astronomy and Astrophysics, as...5693$4.80ptsouth97(25)•in steemstem•2528 days agoThe Puzzle of PolarisAs our compass to the north, Polaris is one of the most famous stars in the night sky. However, in a recently accepted article to Astronomy and Astrophysics, as...5693$4.80
ptsouth97(25)•in #steemstem•2529 days agoHistorical solar observationsFigure 1. Photograph taken using Ca II K filter shows features in the sun's atmosphere affected by magnetic activity. Credit: Stephen Ramsden We live in an era ...4933$5.07ptsouth97(25)•in steemstem•2529 days agoHistorical solar observationsFigure 1. Photograph taken using Ca II K filter shows features in the sun's atmosphere affected by magnetic activity. Credit: Stephen Ramsden We live in an era ...4933$5.07
gavvet(25)•in #science•2531 days agoHow to make an impression.The Herschel crater on Saturn’s moon Mimas at this precise angle, in the photo below, shows just how much of an impression a body with a large amount of momentu...11057$2.95gavvet(25)•in science•2531 days agoHow to make an impression.The Herschel crater on Saturn’s moon Mimas at this precise angle, in the photo below, shows just how much of an impression a body with a large amount of momentu...11057$2.95
ptsouth97(25)•in #steemstem•2530 days agoBackyard amateur helps make a big astronomical discoveryAstronomy is one of the few fields where amateurs can have a meaningful impact. I've never heard of an amateur nuclear physicist, but amateur astronomers regula...2633$0.49ptsouth97(25)•in steemstem•2530 days agoBackyard amateur helps make a big astronomical discoveryAstronomy is one of the few fields where amateurs can have a meaningful impact. I've never heard of an amateur nuclear physicist, but amateur astronomers regula...2633$0.49
ptsouth97(25)•in #steemstem•2532 days agoSurvey confirms 81 new variable starsAs a member of the AAVSO, variable star astronomy is near and dear to my heart. Astronomers at the Moletai Astronomical Observatory (MAO) in Lithuania recently ...4746$4.57ptsouth97(25)•in steemstem•2532 days agoSurvey confirms 81 new variable starsAs a member of the AAVSO, variable star astronomy is near and dear to my heart. Astronomers at the Moletai Astronomical Observatory (MAO) in Lithuania recently ...4746$4.57
astromaniac(25)•in #steemstem•2532 days agoAstronomical Observations #35: Crescent Nebula (NGC 6888)Welcome to the next episode of the review most interesting objects of the night sky. I am showing you those that we can see with an amateur telescope. This time...3511$0.28astromaniac(25)•in steemstem•2532 days agoAstronomical Observations #35: Crescent Nebula (NGC 6888)Welcome to the next episode of the review most interesting objects of the night sky. I am showing you those that we can see with an amateur telescope. This time...3511$0.28
ptsouth97(25)•in #steemstem•2533 days agoPeering into a pre-stellar coreUnder the influence of gravity, stars are born from collapsing clouds of gas and dust. These dense regions form a pre-stellar (i.e., before star) core. Although...2652$0.54ptsouth97(25)•in steemstem•2533 days agoPeering into a pre-stellar coreUnder the influence of gravity, stars are born from collapsing clouds of gas and dust. These dense regions form a pre-stellar (i.e., before star) core. Although...2652$0.54
ptsouth97(25)•in #steemstem•2536 days agoBig Bad Binaries and Other X-ray SourcesFigure 1: Hubble Space Telescope image of nebula around Wolf-Rayet star WR 124. Credit: wikipedia Yesterday I wrote about binary systems and their components. S...3412$0.53ptsouth97(25)•in steemstem•2536 days agoBig Bad Binaries and Other X-ray SourcesFigure 1: Hubble Space Telescope image of nebula around Wolf-Rayet star WR 124. Credit: wikipedia Yesterday I wrote about binary systems and their components. S...3412$0.53
neonihilist(25)•in #science•2538 days agoDiamonds are forever they say but stars are forevermore.The universe is filled with fascinating and bizzare objects that sometimes doesn't make sense. Black holes, supernovas and pulsars all together silently lurking...61$0.00neonihilist(25)•in science•2538 days agoDiamonds are forever they say but stars are forevermore.The universe is filled with fascinating and bizzare objects that sometimes doesn't make sense. Black holes, supernovas and pulsars all together silently lurking...61$0.00
