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| Optics | Canon 100-400 mm f/4.5-5.6 L IS USM |
| Focal Length |
170 mm |
| Focal Ratio | f/11 |
| Exposure Time | single exp of 20 s |
| CCD | Canon EOS 5D (modified with Baader filter) |
| Location | Capanne di Cosola (AL, Italian Apennines) at 1500 m height |
| Date |
20 June 2015 |
| Mount | Gemini
G-41 |
| Tracking | none |
| Temperature and humidity | T= +8 °C, RH=90 % |
| Sky brightness at zenith (with SQM-L) | twilight sky |
| Notes | Optics mounted on the counterweigth bar with a Manfrotto clamp. |
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