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Optics | Canon 50mm f/1.8 mkII |
Focal Lenght | 50 mm |
Focal Ratio | f/4 |
Exposure Time | Total: 9h20m (single exp of 10 min); 10 panels of about 1 h each |
CCD | Canon EOS 5D
with baader filter |
Sensitivity | 400 ISO |
Location | A: Colle
dell'Agnello (CN, Italian Alps) at 2700 m height - Panels 1, 2, 3, 4, 5 (Scorpio
to Cygnus) B: Selva (PC, Italian Appennines) at 1400 m height - Panel 6 (Cepheus) C: Passo del Tomarlo (PC, Italian Appennines) at 1400 m height - Panels 6, 7 (Cepheus and Cassiopeia) D: Monte Bisbino (CO, Italian Alps) at 1300 m height - Panels 8, 9 (Perseus and Auriga) E: Capanne di Cosola (AL, Italian Appennines) at 1500 m height - Panel 10 (Orion) |
Date |
A: 16-17 August 2009 (two nights) B: 19 September 2009 C: 16 October 2009 D: 12 February 2010 E: 13 March 2010 |
Mount | Kenko NES and
Gemini
G-41 |
Tracking | only motor, no corrections |
Temperature and humidity | A: T=
+8°C,
RH=60% B: T= +9°C, RH=100% C: T= +0°C, RH=80% D: T= -5°C, RH=50% E: T= -3°C, RH=50% |
Sky brightness at zenith (with SQM-L) | A: 21.5-21.6 mag/arcsec^2 B: 21.2-21.3 mag/arcsec^2 C: 21.3-21.4 mag/arcsec^2 D: 20.4-20.6 mag/arcsec^2 (quite light polluted) E: 21.4-21.5 mag/arcsec^2 |
Notes | A hard
project that took me a lot of nights of imaging and really may days of
processing! |
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