| 2010C-PA-10B-0260 | Massey, Levesque, Maeder, Meynet, Neugent, Olsen, Silva | Massive Star Evolution as a Function of Metallicity: Closing the Loop in the Local Group | Hectospec/Hectochelle |
| 2010C-PA-10B-0340 | Brown, Walkowicz, Hawley Kowalski, Ramsey, Saar, Furesz | MMT Hectochelle Spectral Variability Study of Active Late-Type Stars in the Kepler Field | Hectochelle |
| 2010C-PA-10B-0436 | Allen, Megeath, Pipher, Gutermuth, Winston, Naylor, Furesz | Hectospec and Hectochelle Spectroscopy of the Cep OB3b Cluster | Hectospec/Hectochelle |
| 2010C-PA-10B-0607 | Abell, Fernandez, Larson | Mineralogical Characterization and Source Region Determination of Near-Earth Objects and Extinct Comet Candidates | Red Channel |
| 2010C-PA-10B-0624 | Cummings, Szentgyorgyi, Deliyannis | Initial Li of Metal-Poor Young Open Clusters and its Connection to Primordial Lithium | Hectochelle |
| 2010C-SAO-1 | Berger, Kirshner, Soderberg, Stubbs, Elvis, Chornock, Foley, Rest, Sand, Challis, Narayan, Gezari, Mandel, Friedman | The MMT Spectroscopic Survey of Pan-STARRS Transients | Blue Channel/Hectospec |
| 2010C-SAO-2 | Hora, Stencel, Hoffmann, Skemer | MIRAC4 Monitoring of the Cold Disk in the Extreme Binary Epsilon Aurigae | NGS/MIRAC |
| 2010C-SAO-3 | Kilic, Brown | Short Period Binary White Dwarfs | Blue Channel |
| 2010C-SAO-4 | Frebel, Juric | The Origin of the Monoceros Stream and Past Milky Way Mergers | Hectochelle |
| 2010C-SAO-5 | Latham, Meibom, Quinn, Torres, Neuhauser, Errman, Maciejewski | The Young Cluster Trumpler 37 | Hectochelle |
| 2010C-SAO-6 | Strader, Caldwell, Seth | Globular Clusters in M33: Continuing the Survey | Hectochelle |
| 2010C-SAO-7 | Meibom, Barnes, Furesz, Latham, Szentgyorgyi | The Kepler Open Cluster Study | Hectochelle |
| 2010C-SAO-8 | Dupree, McCarthy, Kulesa | ARIES Imaging of Kepler Targets | NGS/Aries |
| 2010C-SAO-9 | Brown, Kilic | Extremely Low Mass White Dwarfs | Blue Channel |
| 2010C-SAO-10 | Shen, Liu | Unveiling Binary Supermassive Black Holes in Double-Peaked Narrow-Line AGNs | Blue Channel |
| 2010C-SAO-11 | Green, Kelly, Shanks, Fine, Myers, Richards | QSO Variability in the Pan-STARRS Medium Deep Survey | Hectospec |
| 2010C-SAO-12 | Tang, Grindlay, Kurucz | Stellar Parameters of Unusual K2III Variables Using Hectochelle | Hectochelle |
| 2010C-SAO-13 | Dai, Huang, Willmer, Fazio, Omont, Perez-Fournon, Rigopoulou | Studying the FIR Properties of Quasar SEDs with Hectospec | Hectospec |
| 2010C-UAO-E23 | Hart, Bendek, Powell, McCarthy, Kulesa | Commissioning ARIES with the MMTs Laser-Guided AO System | LGS/ARIES |
| 2010C-UAO-E24 | Codona, Hinz | Tests to Improve MMTAO Performance and High-Contrast Imaging | LGS/ARIES |
| 2010C-UAO-G21 | Woodward, Harker, Kelley, Hinz, Skemer, Hoffmann | 103P/Hartley at EXPOI Rendezvous | NGS/MIRAC |
| 2010C-UAO-G22 | Humphreys | Unstable Luminous Stars in M31 and M33 | Hectospec |
| 2010C-UAO-S1 | Davé, Moran, Catinella, Heckman, Kauffmann, Schiminovich, Saintonge, Tacconi, Brinchmann, Rich | The Atomic and Molecular Gas Content, Star Formation and Chemical Enrichment Histories of a Complete Sample of Nearby Galaxies | Blue Channel |
| 2010C-UAO-S2 | Wang, Wu, Hou, Fan, Jiang, Xia, Hao | Stellar Velocity Dispersion and the Black Hole-Bulge Evolution of Type I ULIRGs | Blue Channel |
| 2010C-UAO-S3 | Cooper, Weiner, Gerke | Dual SMBHs in the SDSS and DEEP2: Probing the Growth of Black Holes at z < 1 | Blue/Red Channel |
| 2010C-UAO-S4 | Jiang, Fan | Identifying z ~ 6 Quasars in the SDSS Deep Stripe | Red Channel |
| 2010C-UAO-S5 | Kim, Fang, Sicilia-Aguilar, van Boekel, Henning | Accretion, Disk-Locking and Kinematics of Young Stars in L1641 | Hectochelle |
| 2010C-UAO-S6 | Kim, Meyer, Sherry, Jose | MMT/Hectospec Observations of Young Stars in the W3 and W4 Star Forming Region | Hectospec |
| 2010C-UAO-S7 | Bian, Fan, Jiang | Spectroscopic Identification of the Most Luminous Lyman Break Galaxies (LBGs) at z ~ 3 in SDSS Deep Stripe | Red Channel |
| 2010C-UAO-S9 | Rodigas, Hinz, Schneider | Spatially Resolving the Ice Line in Debris Disks | NGS/CLIO |
| 2010C-UAO-S11 | Pereira, Egami, Haines, Smith, Moran | LoCuSS: Joint Hectospec/GALEX/HST/Subaru/Spitzer/Herschel Study of Star-Formation & Assembly Histories of Clusters | Hectospec |
| 2010C-UAO-S13 | Bailey, Hinz | Characterizing the Atmosphere of Brown Dwarf Candidate GJ578b | NGS/CLIO |
| 2010C-UAO-S14 | Teske, McCarthy, Kulesa, Swain, Deroo, Griffith | Spectroscopy of the Most Highly Irradiated Exoplanet: How Close is Too Close? | NGS/ARIES |
| 2010C-UAO-S15 | Teske, Hinz, Skemer, Griffith, Deroo, Swain | Observing Non-LTE Signatures in an Exoplanet Atmosphere from the Ground | NGS/CLIO, NGS/MIRAC |
| 2010C-UAO-S16 | Arnold, Eisner, Hinz, Kenworthy | Searching for Planets Around Young Stars Using Non-Redundant Masking at the MMT | NGS/CLIO |
| 2010C-UAO-S17 | Green, Kawaler, Fontaine, Brassard, Charpinet, van Grootel | Atmospheric Parameters for Asteroseismology of Hot Subdwarf Pulsators in the Kepler Satellite Field | Blue Channel |
| 2010C-UAO-S18 | Hastie, Hussain, Casali, Mackay Unruh | Spectroscopic Studies of Kepler Cluster NGC6866 | Hectochelle/Hectochelle |
| 2010C-UAO-S19 | Brutlag, Schneider, Grady, Hinz, Close | A Search for Water Ice in Outer Transitional Disks with MMT AO+CLIO | NGS/CLIO |
| 2010C-UAO-S20 | Knox, Hinz | Searching for Sub-Stellar Companions to Spin-Misaligned Planetary Systems | NGS/CLIO |
