
| 0bject | M 3 Globular cluster in Canes Venatici |
| Date | May 8, 2024 |
| Exposure | OSC 60 minutes |
| Camera | ASI294MC Pro |
| Telescope | FSQ106N f/5 on AP900 GTO |
| Guiding | ASI120MC w/Orion 50 mm |
| Processing | MaximDL, Photoshop CS6, Topaz Denoise AI |
| Comments | Moderate seeing; acquired with MaximDL from Oro Valley, AZ |

| 0bject | M 3 Globular cluster in Canes Venatici |
| Date | May 16, 2020 |
| Exposure | Luminance only 60 minutes |
| Camera | STF8300 |
| Telescope | FSQ106N f/5 on AP900 GTO |
| Guiding | QHY5II w/Orion 50 mm |
| Processing | MaximDL, Photoshop CS6, Topaz Denoise AI |
| Comments | Moderate seeing; Oro Valley |

| 0bject | M 3 Globular cluster in Canes Venatici |
| Date | April 21-23, 2017 |
| Exposure | RGB 270:240:230 (12.3 hours, cropped) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS6, Astronomy Tools, NIK Sharpener |
| Comments | Moderate seeing; acquired with CCD Commander from Animas NM |
| Object | M3 Globular Cluster in Canes Venatici |
| Date | 5/2/2008 |
| Exposure | LRGB 25:25:25:25 (luminance synthesized from RGB, unbinned) |
| Camera | STL11000M with Astronomik filters |
| Telescope | Takahashi FSQ 106N f/5 on Losmandy G11 w/Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL , Photoshop CS3, FITS Liberator, GradientXterminator |
| Comments | Cool and clear |

Click
here for luminance data
| Object | M3 Globular Cluster in Canes Venatici |
| Date | 5/7 and 5/11/2007 |
| Exposure | LRGB 27:30:33::27 |
| Camera | ST2000XM with SBIG filters |
| Telescope | LX200 f/8.2 on Losmandy G11 w/Gemini |
| Guiding | Self-guided |
| Processing | MaximDL , Photoshop CS2, AstroActions, GradientXterminator |
| Comments | Warm and hazy both evenings |
|
Object |
M3 Globular Cluster in Canes Venatici |
| Date | 4/30/2005 |
| Exposure | LRGB 21:6:9:9 |
| Camera | SXV-H9 with Schuler filters |
| Telescope | LX200 f/6.3 on Losmandy G11 (~1600 mm) |
| Guiding | ST-4 |
| Processing | MaximDL v4.07, Photoshop CS |
| Comments | Cool, moderate seeing |
