From DeepSkyVideos. Professor Mike Merrifield on the second entry in the so-called Caldwell Catalogue, a planetary nebula with a fascinating story to tell. More links and info in full description ↓↓↓ See our video on Caldwell 1 – https://youtu.be/Et2Ij161PXE Mike Merrifield is an emeritus professor from the University of Nottingham. Messier Objects playlist: http://bit.ly/MessierObjects Back…

From DeepSkyVideos. Professor Meghan Gray discusses the double star Albireo (also known as Beta Cygni) at the head of swan in the constellation Cygnus… More links and info in full description ↓↓↓ Messier Objects playlist: http://bit.ly/MessierObjects Telescopes playlist: https://www.youtube.com/playlist?list=PLFDDC58C2516AE284 Back us on Patreon: https://www.patreon.com/deepskyvideos More videos with Meghan Gray: https://www.youtube.com/playlist?list=PLcUY9vudNKBORQN625NgO3c4T82M6w2st Some papers from this video……

From DeepSkyVideos. The open cluster NGC 188 has retained an unusual population of middle-aged stars due to an orbit which spends long periods away from the messy galactic plane. More links and info in full description ↓↓↓ Discussed by Professor Mike Merrifield, emeritus professor from the University of Nottingham. The cluster is also dubbed Caldwell…

From DeepSkyVideos. Professor Meghan Gray discusses how a musical link started her exploration of this Near Earth Asteroid. More links and info in full description ↓↓↓ Composer Kaija Saariaho’s page: https://saariaho.org/works/asteroid-4179-toutatis IAU’s Minor Planet Centre: https://www.minorplanetcenter.net/db_search/show_object?object_id=4179 The Ginger-shaped Asteroid 4179 Toutatis: New Observations from a Successful Flyby of Chang’e-2: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3860288/ Our Messier Objects playlist: http://bit.ly/MessierObjects…

From DeepSkyVideos. Professor Meghan Gray discusses the Great Comet of 1997, Hale-Bopp. Also known less grandiosely as C/1995 O1. More links and info in full description ↓↓↓ Circular about Hale-Bopp’s discovery: http://www.cbat.eps.harvard.edu/iauc/06100/06187.html#Item1 JWST Observations of Comet C/1995 O1 (Hale-Bopp) at 46 au: https://ui.adsabs.harvard.edu/abs/2022DPS….5430902K/abstract Messier Objects playlist: http://bit.ly/MessierObjects Brady visits Messier’s grave: https://youtu.be/W3-hwKQqy0I Back us on…

From DeepSkyVideos. Professor Meghan Gray discusses the immense galaxy cluster El Gordo (The Fat One), also known less catchily as ACT-CL J0102-4915. More links and info in full description ↓↓↓ Professor Gray: https://www.nottingham.ac.uk/physics/people/meghan.gray The Atacama Cosmology Telescope: ACT-CL J0102-4915 "El Gordo," a Massive Merging Cluster at Redshift 0.87 – https://ui.adsabs.harvard.edu/abs/2012ApJ…748….7M/abstract JWST’s PEARLS: A new lens…

From DeepSkyVideos. Professor Meghan Gray explains the sometimes strange phenomenon of twin quasars. More links and info in full description ↓↓↓ Professor Gray is an astronomy professor at The University of Nottingham – https://www.nottingham.ac.uk/physics/people/meghan.gray A close quasar pair in a disk–disk galaxy merger at z = 2.17 – https://doi.org/10.1038/s41586-023-05766-6 0957+561 A, B: twin quasistellar objects…

From DeepSkyVideos. An intergalactic stream of stars in the galaxy cluster Abell 1795 – featuring Professor Mike Merrifield. More links and info in full description ↓↓↓ Back us on Patreon: https://www.patreon.com/deepskyvideos MMTF-Hα and HST-FUV Imaging of the Filamentary Complex in ABELL 1795: https://ui.adsabs.harvard.edu/abs/2009ApJ…703L.172M/abstract Michael Merrifield: https://www.nottingham.ac.uk/physics/people/michael.merrifield Messier Objects playlist: http://bit.ly/MessierObjects Deep Sky Videos website: http://www.deepskyvideos.com/…

From DeepSkyVideos. Professor Mike Merrifield discusses a new perspective of the Crab Nebula, also known as Messier 1. More links and info in full description ↓↓↓ SITELLE data paper: https://arxiv.org/abs/2101.02709 Merge Cube: https://mergeedu.com/cube Crab model for viewing with Merge Cube or just in AR: https://objects.mergeedu.com/link/KVKDP5 And for your paperweight needs: https://crystalnebulae.co.uk Messier Objects playlist: http://bit.ly/MessierObjects…

From DeepSkyVideos. Professor Mike Merrifield discusses methods for measuring the distance to NGC 2. Includes the Tully-Fisher method. More links and info in full description ↓↓↓ More Mike Merrifield: http://bit.ly/Merrifield_Playlist Professor Merrifield on Twitter: https://twitter.com/AstroMikeMerri A New Method of Determining Distances to Galaxies: https://ui.adsabs.harvard.edu/abs/1975BAAS….7..426T/abstract Our thanks to Professor Tully for the picture of him with…

From DeepSkyVideos. NGC 1 occupies prime position in the famed New General Catalogue – but why? More links and info in full description ↓↓↓ All 110 Messier Objects playlist: http://bit.ly/MessierObjects More Mike Merrifield: http://bit.ly/Merrifield_Playlist Professor Merrifield on Twitter: https://twitter.com/AstroMikeMerri Larger λR in the disc of isolated active spiral galaxies than in their non-active twins: https://doi.org/10.1051/0004-6361/202038091…

From DeepSkyVideos. FREE POSTERS AND CHECKLIST FOR ALL 110 OBJECTS: https://www.patreon.com/posts/71301100 This videos features Mike Merrifield and Becky Smethurst. Messier Objects playlist: http://bit.ly/MessierObjects More links and info in full description ↓↓↓ Mike Merrifield is based at the University of Nottingham: https://twitter.com/AstroMikeMerri Becky Smethurst is at Oxford University: https://rebeccasmethurst.co.uk Chandra Observation of the Edge-on Galaxy NGC…

From DeepSkyVideos. More chat about M107 with Dr Maggie Lieu. Other M107 video at: https://youtu.be/9Jy7g6-tB40 More links and info in full description ↓↓↓ Dr Maggie Lieu: https://maggielieu.com Testing for Dark Matter in the Outskirts of Globular Clusters: https://arxiv.org/abs/2106.00751 Messier Objects playlist: http://bit.ly/MessierObjects Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos More about the astronomers…

From DeepSkyVideos. Dr Becky Smethurst discusses Messier 107 – also known as NGC 6171 – an Oosterhoff type I cluster. Extra M107 chat at: https://youtu.be/6TvR9gRJQTk More links and info in full description ↓↓↓ Dr Becky’s website: https://rebeccasmethurst.co.uk/ Her own YouTube: https://www.youtube.com/drbecky On the Two Oosterhoff Groups of Globular Clusters: https://ui.adsabs.harvard.edu/abs/1973ApJ…185..477V/abstract Messier Objects playlist: http://bit.ly/MessierObjects Deep…

From DeepSkyVideos. Mike Merrifield discusses the galaxy Messier 88 (also known as NGC 4501) More links and info in full description ↓↓↓ Mike Merrifield: https://twitter.com/AstroMikeMerri Messier Objects playlist: http://bit.ly/MessierObjects Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html Supported by the University of Nottingham https://www.nottingham.ac.uk/astronomy/ Back us…

From DeepSkyVideos. Professor Mike Merrifield discusses variable stars in Messier 72 – also known as NGC 6981. More links and info in full description ↓↓↓ Paper featured in this video: https://academic.oup.com/mnras/article/413/2/1275/1069062 Professor Merrifield on Twitter: https://twitter.com/AstroMikeMerri Messier Objects playlist: http://bit.ly/MessierObjects Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos More about the astronomers in our…