Observing 27./28.1.2017 in Stormälö

Date: 27./28.1.2017 Time: 20:30-22:30 Observing site: Stormälö, Parainen, Finland Instrument: N250/1200 mm (10” Newton) NELM: 6.6 SQM: 21.03 - 21.00 Darkness of the background sky: from 2  (a scale from 1 to 5, 1 best, 5 worst) Seeing: 2 (a scale from 1 to 5, 1 best, 5 worst) Transparency: - Weather: Clear sky, calm, … Continue reading Observing 27./28.1.2017 in Stormälö

Observing 19./20.1.2017 in Ulvila Observatory

Date: 19./20.1.2017 Time: 20:15-00:00 Observing site: Ulvila Observatory, Finland Instrument: C280/2750 mm (11” Catadioptric) NELM: 5.7 SQM: 19.85-20.05 Darkness of the background sky: 3-4 Seeing: 2 Transparency: – Weather: Some high clouds in the beginning of the session, later the sky cleared up, fresh breeze, surprisingly warm and dry air, only thin layer of snow … Continue reading Observing 19./20.1.2017 in Ulvila Observatory

Small nebulae and problems with freezing

Second time I was observing this year was very interesting. Weather was brilliant, it was completely calm and only - 2°C. Only problems were caused by high amount of moisture in the air. Because of that, transparency wasn't as good as it might be and also because it was so calm - the moisture was … Continue reading Small nebulae and problems with freezing