| Date/Location |
March 4 & 7, 2021 Jubilee College State Park, Illinois |
| Camera and Settings |
SBIG ST-4000XCM CCD camera -20°C |
| Telescope |
William Optics 132mm f/7 refractor (with a Televue 0.8x focal reducer/field flattener yielding f/5.6) |
| Mount |
Paramount MyT |
| Exposure |
290 min (29 x 10 min) |
| Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
| Other |
Christmas Tree Cluster and Cone Nebula in constellation Monoceros. Cluster mag. 4.09, size 60 x 30 arc minutes. Greater nebula much larger. |
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