Mrs Helen Usher

Long-term Monitoring of Didymos with the LCOGT Network and MRO after the DART Impact (2024-05)
Lister, Tim; Constantinescu, Cora; Ryan, William; Ryan, Eileen; Gomez, Edward; Phillips, Liz; Rożek, Agata; Usher, Helen; Murphy, Brian P.; Chatelain, Joseph and Greenstreet, Sarah
The Planetary Science Journal, 5, Article 127(5)

Ejecta Evolution Following a Planned Impact into an Asteroid: The First Five Weeks (2023-12-13)
Kareta, Theodore; Thomas, Cristina; Li, Jian-Yang; Knight, Matthew M.; Moskovitz, Nicholas; Rożek, Agata; Bannister, Michele T.; Ieva, Simone; Snodgrass, Colin; Pravec, Petr; Ryan, Eileen V.; Ryan, William H.; Fahnestock, Eugene G.; Rivkin, Andrew S.; Chabot, Nancy; Fitzsimmons, Alan; Osip, David; Lister, Tim; Sarid, Gal; Hirabayashi, Masatoshi; Farnham, Tony; Tancredi, Gonzalo; Michel, Patrick; Wainscoat, Richard; Weryk, Rob; Burrati, Bonnie; Pittichová, Jana; Ridden-Harper, Ryan; Tan, Nicole J.; Tristram, Paul; Brown, Tyler; Bonavita, Mariangela; Burgdorf, Martin; Khalouei, Elahe; Longa, Penelope; Rabus, Markus; Sajadian, Sedighe; Jorgensen, Uffe Graae; Dominik, Martin; Kikwaya, Jean-Baptiste; Epifani, Elena Mazzotta; Dotto, Elisabetta; Deshapriya, Prasanna; Hasselmann, Pedro; Dall’Ora, Massimo; Abe, Lyu; Guillot, Tristan; Mékarnia, Djamel; Agabi, Abdelkrim; Bendjoya, Philippe; Suarez, Olga; Triaud, Amaury; Gasparetto, Thomas; Günther, Maximillian N.; Kueppers, Michael; Merin, Bruno; Chatelain, Joseph; Gomez, Edward; Usher, Helen; Stoddard-Jones, Cai; Bartnik, Matthew; Bellaver, Michael; Chetan, Brenna; Dugan, Emma; Fallon, Tori; Fedewa, Jeremy; Gerhard, Caitlyn; Jacobson, Seth A.; Painter, Shane; Peterson, David-Michael; Rodriguez, Joseph E.; Smith, Cody; Sokolovsky, Kirill V.; Sullivan, Hannah; Townley, Kate; Watson, Sarah; Webb, Levi; Trigo-Rodríguez, Josep M.; Llenas, Josep M.; Pérez-García, Ignacio; Castro-Tirado, A. J.; Vincent, Jean-Baptiste; Migliorini, Alessandra; Lazzarin, Monica; La Forgia, Fiorangela; Ferrari, Fabio; Polakis, Tom and Skiff, Brian
The Astrophysical Journal Letters, 959, Article L12(1)

Activity in Centaur-like Jupiter-family Comet 2023 RN₃ (2023)
Hsieh, Henry H.; Kelley, Michael S. P.; Lister, Tim A.; Usher, Helen; Gomez, Edward; Chatelain, Joseph P. and Greenstreet, Sarah
Research Notes of the AAS, 7, Article 263(12)

A Look at Outbursts of Comet C/2014 UN₂₇₁ (Bernardinelli–Bernstein) near 20 au (2022)
Kelley, Michael S. P.; Kokotanekova, Rosita; Holt, Carrie E.; Protopapa, Silvia; Bodewits, Dennis; Knight, Matthew M.; Lister, Tim; Usher, Helen; Chatelain, Joseph; Gomez, Edward; Greenstreet, Sarah; Angel, Tony and Wooding, Ben
The Astrophysical Journal Letters, 933, Article L44(2)

The LCO Outbursting Objects Key Project: Overview and Year 1 Status (2022)
Lister, Tim; Kelley, Michael S. P.; Holt, Carrie E.; Hsieh, Henry H.; Bannister, Michele T.; A. Verma, Aayushi; Dobson, Matthew M.; Knight, Matthew M.; Moulane, Youssef; Schwamb, Megan E.; Bodewits, Dennis; Bauer, James; Chatelain, Joseph; Fernández-Valenzuela, Estela; Gardener, Daniel; Gyuk, Geza; Hammergren, Mark; Huynh, Ky; Jehin, Emmanuel; Kokotanekova, Rosita; Lilly, Eva; Hui, Man-To; McKay, Adam; Opitom, Cyrielle; Protopapa, Silvia; Ridden-Harper, Ryan; Schambeau, Charles; Snodgrass, Colin; Stoddard-Jones, Cai; Usher, Helen; Wierzchos, Kacper; Yanamandra-Fisher, Padma A.; Ye, Quanzhi; Gomez, Edward and Greenstreet, Sarah
The Planetary Science Journal, 3, Article 173(7)

Physical Characterization of Main-belt Comet (248370) 2005 QN₁₇₃ (2021-11-20)
Hsieh, Henry H.; Chandler, Colin O.; Denneau, Larry; Fitzsimmons, Alan; Erasmus, Nicolas; Kelley, Michael S. P.; Knight, Matthew M.; Lister, Tim A.; Pittichová, Jana; Sheppard, Scott S.; Thirouin, Audrey; Trujillo, Chadwick A.; Usher, Helen; Gomez, Edward; Chatelain, Joey; Greenstreet, Sarah; Angel, Tony; Miles, Richard; Roche, Paul and Wooding, Ben
The Astrophysical Journal Letters, 922, Article L9(1)

Seeing the Bigger Picture: Rosetta Mission Amateur Observing Campaign and Lessons for the Future (2020-12)
Usher, Helen; Snodgrass, Colin; Green, Simon F.; Norton, Andrew and Roche, Paul
The Planetary Science Journal, 1, Article 84(3)