| 0bject | Comet c2019 Y4 Atlas. |
| Date | April 13, 2020 |
| Exposure | Luminance only (20 minutes, 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, Topaz DeNoise |
| Comments | Poor seeing; acquired with CCD Commander from Animas, NM |
Cropped| 0bject | Comet c2019 Y4 Atlas. |
| Date | April 10, 2020 |
| Exposure | LRGB 12:12:12:12:12 (48 minutes, 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, Topaz DeNoise |
| Comments | Moderate seeing; acquired with CCD Commander from Animas, NM |
Cropped| 0bject | Comet c2019 Y4 Atlas. |
| Date | April 9, 2020 |
| Exposure | LRGB 10:10:10:10 (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, Topaz DeNoise |
| Comments | Moderate to poor seeing; acquired with CCD Commander from Animas, NM |
| 0bject | Comet c2019 Y4 Atlas. |
| Date | March 28, 2020 |
| Exposure | LRGB 12:12:12:12 (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, Topaz DeNoise |
| Comments | Moderate seeing; acquired with CCD Commander from Animas, NM |
| 0bject | Comet c2019 Y4 Atlas. |
| Date | March 19, 2020 |
| Exposure | LRGB 10:10:10:10 (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 Dfine2 |
| Comments | Moderate seeing; acquired with CCD Commander from Animas, NM |