Category Archives: Hyperstar and SXVF-M25C

On the evening of the 19th October I got a couple of clear hours before it clouded over.  Enough time to set up the Hyperstar and get an hour (4 x 15-minute subs) on the California nebula.  I had forgotten … Continue reading →

It is possible to get perfect stars right across the diagonal of an APS-size chip such as the Starlight Xpress M25C or M26C – but only if your Hyperstar imaging system is in very good collimation.  Getting good collimation is … Continue reading →

I have completed the initial experiments with the Canon 200mm lens piggy-backed on the C11, so yesterday I removed the kludge on the back of the C11 and re-instated the Hyperstar III – just in time for all the winter … Continue reading →

Managed to get 15 x 4-minute subs using the Hyperstar III on the new supernova in M82 last night.  Although the sky looked crystal clear, and was Moonless as a bonus, the seeing was terrible.  Never mind – I do … Continue reading →

So what’s the excuse for such a grubby image then? Half the sky (towards the East) was clear at 6:00 p.m. but half the sky running north to south and covering the whole of the West was black and overcast. … Continue reading →

As it has been non-stop rain for days on end now, I have resorted to taking a look at old data. Just put together all the datasets I could find of the Cygnus Wall region taken with the Hyperstar III … Continue reading →

Taken with the HSIII on 04/07/2013 this is an S-type star, SAO 69360 in Cygnus.

There was a fair bit of thin high cloud wandering over last night (as it turned out it didn’t get in the way of Cygnus) and so I only set up the Hyperstar III and didn’t run the mini-WASP array. … Continue reading →