SQM vs. NELM – preliminary results

I started making regular observations of NELM and SQM in late March last year when I bought a SQM-L device for myself. Then I started a project about collecting these measurements and comparing NELM vs. SQM. Here's a preliminary graphical presentation of my results. In this graph, there is SQM plotted vs. NELM. This dataset …

Observing in cold weather

Last night the sky was clear and I decided to make some routine observations. I set my scope up in the yard of my apartment in Sodankylä and I had a look  at Jupiter and the crescent Moon in the western sky - and it was absolutely wonderful sight! Moon and Venus had been in …

First observing session this year!

Couple of days ago the sky got finally clear after long cloudy period! But it was also very cold, about -20 °C! At the beginning of my observing session, conditions were OK and there wasn't any aurorae. But then, about 19.30 northern lights started to flame around the sky! The show was going on up …

Solar statistics 2011

Hello you all, and wonderful and the most succesfull new year! Year has changed, but the weather hasn't changed much. It has been continuously cloudy here in Finland, and I haven't got any observing chances this year - yet. Nevertheless, I made some summary and statistics of last year's Solar observations. Briefly, it looks like …