One more for the ExoClock project – this one being the first for CMHASD trustee and treasurer Keith Rickard.  It is of Exoplanet HAT-P-23b in the constellation Delphinus. ”HAT-P-23 b is a gas giant exoplanet that orbits a G-type star. Its mass is 2.09 Jupiters, it takes 1.2 days to complete one orbit of its star, and is 0.0232 AU from its star. Its discovery was announced in...

Another for the ExoClock project by Simon Dawes of the transit of exoplanet TrES-3b. TrES-3b is in a very tight orbit around its host star, TrES-3, transiting the stellar disk once per 31 hours. For comparison, Mercury orbits the sun once every 88 days. TrES-3b is just a little larger than Jupiter, yet orbits around its parent star much closer than Mercury does, making it a “hot...

The transit of Exoplanet TrES-3b by CMHASD member & trustee Dr. Mike Rushton using an eVscope for the ExoClock project. TrES-3b is a gas giant exoplanet orbiting the star GSC 03089-00929 a G-type star and is 0.02282 AU from its star. It has an orbital period of just 31 hours and nearly twice the mass of Jupiter.  It was found by the Trans-Atlantic Exoplanet Survey in 2007. It was...

Another for the ExoClock project by CMHASD member & trustee Martin Crow of ExoPlanet TOI-1728b; a warm Super-Neptune orbiting an M-dwarf...

More observations for the ExoClock project by Simon Dawes of Qatar-1b in the constellation of Draco taken on the 7th July...

Another set of observations for the ExoClock project by member Simon Dawes 🙂 Simon wrote ”This was a tricky observation, a bright star with faint comparisons, on the night of the summer solstice – the worst night of the year for astronomy, due to the lack of real night – there were 627 15s exposures which, when processed, works out at about 60Gb of disk space – for a...

Another set of transit observations for the ExoClock project by Simon Dawes of Exoplanet HAT-P-12b. HAT-P-12b is 468 light years away from Earth, orbiting a 13th magnitude K-type star in the constellation Canes Venatici.  It is was discovered by the HATNet Project on April 29,...

The transit of EPIC 246851721b measured by CMHASD member and trustee Martin Crow for the ExoClock project on the 21st January 2023. The transit depth is a mere 5 thousandths of a magnitude. EPIC 246851721b is a gas giant exoplanet that orbits an F-type star in the constellation Taurus. Its mass is 3 Jupiters, it takes 6.2 days to complete one orbit of its star and is 0.07229 AU from its star....

This is a montage of the exo-planet transits that CMHASD member and trustee Simon Dawes observed in 2022 for the ExoClock project.  A total of 60 for 2022. Well done...

A huge congratulations to CMHASD trustees Martin Crow and Simon Dawes for jointly winning the BAA Sir Patrick Moore Prize for Pro-Am work on Exoplanet observations with the ExoClock project along with a Mr Adrian Jones. Below is a photo of Martin and Simon being presented with their certificates by the President of the BAA David Arditti on Saturday 10th December 2022 at the BAA Christmas...

Two more sets of exoplanet observations for the ExoClock project by member Simon Dawes of WASP-114b and Qatar-5b.  These are the 56th and 57th set of observations Simon has completed for the project. WASP-114b is a Hot Jupiter in a 1.5-day orbit around a G0 star.   Qatar-5b is a Hot Jupiter orbiting the star Qatar-5 located in Andromeda constellation.  It orbits its star every...

Three more sets of observations of exoplanet transits for the ExoClock project by Simon Dawes. WASP-52b, Qatar-1b and HAT-P-6b. WASP-52 b is a gas giant exoplanet that orbits a K-type star. Its mass is 0.46 Jupiters. Exoplanet WASP-52b orbits at a distance of 4.07 million km from its host star WASP-52, taking 1.75 days to go round its orbit. Its discovery in the constellation Pegasus was...

On Friday 30th September 2022 at the ExoClock 2 day meeting held at University College London, CMHASD trustees Martin Crow & Simon Dawes were awarded certificates for their impressive contribution to the ExoClock Project.  ExoClock is a project to monitor the ephemerides of transiting exoplanets by the ARIEL Ephemerides Working Group.  ARIEL is a space telescope (Atmospheric...

One more for the ExoClock Project by Simon Dawes of HAT-P-29b also known as Surt.  Surt is the ruler of Muspelheim and the fire giants there in Norse mythology. At Ragnarok, the end of the world, he will lead the attack on our world and destroy it in flames. See https://www.iau.org/public/themes/naming_exoplanets/...

Taken from a few days ago; this is member Simon Dawes 48th accepted transit for the ExoClock project of exoplanet TrES-3b.  TrES-3b is a gas giant exoplanet that orbits a G-type star GSC 03089-00929. It has an orbital period of just 31 hours, is nearly twice the mass of Jupiter and is 0.02282 AU from its star. The planet TrES-3b is named Umbäässa. The name was selected in...

Two more sets of observations for the ExoClock project by Simon Dawes.  Exoplanets XO-1b & Qatar-10b. XO-1b is an exoplanet approximately 536 light-years away in the constellation of Corona Borealis. The planet was discovered orbiting the yellow dwarf star now designated XO-1 in 2006.  The planet XO-1b is named Negoiu. The name was selected in the NameExoWorlds campaign during the...

The latest Exo planet observations by Martin Crow for the ExoClock project. TOI-2076 b is an extrasolar planet (exoplanet) that orbits a K-type star TOI -2076 in the constellation of Bootes. An exoplanet is a planet that orbits a star other than the Sun. The star is located 136.86 light years away from Earth. TOI-2076 b is a Neptune-like exoplanet, its mass is 6.89 Earths, it takes 10.4 days to...

One more for the ExoClock project by Simon Dawes. Exoplanet TOI-1296b. TOI-1296b was discovered in 2021 and observed with TESS and SOPHIE.  It is a hot Saturn-mass exoplanet with an orbital period of 3.944 days. Simon said ‘Got this Friday night; 7 milli mag dip on a mag 11.5 star – quite a noisy measurement due to twilight observation.’...

Another set of observations by Simon for the ExoClock project.   KELT-23Ab was discovered using the Kilodegree Extremely Little Telescope...

The latest set of observations by Simon for the ExoClock project of the exoplanet WASP-92b which orbits its parent star WASP-92, an F7 star, every 2.17...

The latest exoplanet transit from Simon Dawes for the ExoClock project.  WASP 113 is a 11.7 magnitude star and Exoplanet WASP- 113b orbits it every 4.5days with a drop of 10/1000ths of a magnitude.  WASP 113 is a G type star of 1.3 Solar Masses and the exoplanet WASP-113b is half the mass of Jupiter. Crayford members have now contributed 110 light curves....

Another for the ExoClock project…… KPS-1b orbits a star similar to the Sun with a period of 40 hours. The mass and size of the exoplanet KPS-1b are close to the characteristics of Jupiter, but it is located very close to its parent star so the temperature of the atmosphere KPS-1b is much higher than that of Jupiter. The discovery was made by the prototype Kourovka Planet Search (KPS)...

Simon Dawes has been busy again with his exoplanet observations for the ExoClock project. Below are his observations. Exoplanet HAT-P-44b was discovered in 2013 by the HATNet transit survey. Its mass is 0.39 mass of Jupiter and has an orbital period of 4.3 days. Of Exoplanet WASP -148b Simon said ”This is a 11.8 magnitude star and the dip is 8 thousandths of a magnitude – I think it...

These are the latest exoplanet observations by Martin Crow. TOI-1298 b is a gas giant exoplanet that orbits a G-type star TOI -1298 in the constellation of Ursa Minor.  Its mass is 0.356 Jupiters.  It takes 4.5 days to complete one orbit of its star and is 0.059 AU from its star. TOI-1298 b was discovered by the Transiting Exoplanet Survey Satellite (TESS) observatory, in 2021-09....

Three more exoplanets have been observed by Simon for the ExoClock project – KELT 23ab, HAT P 13b and KPS...

Another exoplanet transit observed by Simon Dawes of Qatar 8b for the ExoClock project. Qatar-8b is just over a third of Jupiter’s mass (0.37) and is considered a “hot Saturn.” It takes less than four days to orbit its star, which is about 900 light-years from Earth. Simon said it was a tricky one to process, but the result came out very well with a depth almost identical to...

Here is the latest exoplanet transit observed by member & trustee Simon Dawes for the ExoClock project. It is of  WASP-12b a doomed EGG shaped planet. WASP-12b is a hot Jupiter that orbits so close to its parent star, it is being torn apart and it takes this sizzling gas giant alien world only 1.1 days to completely circle its parent star! The doomed planet is being eaten by its parent...